Best Artificial Intelligence (AI) APIs
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Compare the Top Artificial Intelligence (AI) APIs as of April 2025
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What is Artificial Intelligence (AI) APIs?
Artificial Intelligence APIs are software that provide access to advanced technology, AI, and machine learning algorithms designed to solve complex problems. They allow developers to create applications with smarter artificial intelligence features such as natural language processing, image recognition, and more. Many companies use AI APIs to automate tasks or gain insights into customer data so they can improve their products or services. AI APIs are constantly evolving, enabling businesses to benefit from cutting-edge technologies while decreasing the time required for development. Compare and read user reviews of the best Artificial Intelligence (AI) APIs currently available using the table below. This list is updated regularly.
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1
Vertex AI
Google
Vertex AI provides robust AI APIs that enable developers to integrate advanced machine learning and artificial intelligence capabilities into their applications. These APIs facilitate easy access to pre-trained models, allowing businesses to add AI features such as natural language processing, image analysis, and predictive analytics into their existing systems. Vertex AI’s APIs are designed to be user-friendly and flexible, supporting various programming languages and platforms. New customers receive $300 in free credits, allowing them to experiment with the available APIs and integrate AI functionality into their products. With these APIs, businesses can enhance their applications with cutting-edge AI capabilities without having to build models from scratch.Starting Price: Free ($300 in free credits) -
2
Google Cloud Speech-to-Text
Google
The Google Cloud Speech-to-Text service provides a powerful AI API that allows developers to seamlessly integrate speech recognition capabilities into their applications. This API processes audio input in real time and can transcribe it into text, making it suitable for a wide range of applications, including voice search and interactive systems. The API's ability to work with various audio formats and handle different speech patterns further enhances its versatility. Additionally, it provides enhanced capabilities for handling long audio files and multiple speakers, offering more comprehensive transcription solutions. As a bonus, new customers receive $300 in free credits to experiment with these AI tools, giving them the flexibility to explore the API’s full potential without initial financial commitment.Starting Price: Free ($300 in free credits) -
3
Qloo
Qloo
Qloo is the “Cultural AI”, decoding and predicting consumer taste across the globe. A privacy-first API that predicts global consumer preferences and catalogs hundreds of millions of cultural entities. Through our API, we provide contextualized personalization and insights based on a deep understanding of consumer behavior and more than 575 million people, places, and things. Our technology empowers you to look beyond trends and uncover the connections behind people’s tastes in the world around them. Look up entities in our vast library spanning categories like brands, music, film, fashion, travel destinations, and notable people. Results are delivered within milliseconds and can be weighted by factors such as regionalization and real-time popularity. Used by companies who want to incorporate best-in-class data in their consumer experiences. Our flagship recommendation API delivers results based on demographics, preferences, cultural entities, metadata, and geolocational factors. -
4
Google AI Studio
Google
Google AI Studio offers a variety of AI APIs that allow businesses to easily integrate AI capabilities into their existing applications. These APIs provide access to powerful AI services such as natural language processing, image recognition, and speech-to-text conversion, making it easier to incorporate advanced AI features without needing deep technical expertise. With these APIs, developers can quickly add AI-powered functionality to their apps, enhancing the user experience and enabling new use cases. The platform also ensures scalability and reliability, making it suitable for businesses of all sizes and industries.Starting Price: Free -
5
DeepAI
Deep AI, Inc
DeepAI.org is a platform dedicated to making artificial intelligence (AI) tools accessible to a diverse audience, including developers and non-technical users. The company aims to democratize AI technologies by offering user-friendly and cost-effective solutions that enhance creativity across various industries. Key Features and Offerings AI Tools and APIs: DeepAI provides a variety of AI tools, with APIs designed for tasks such as real-time video analysis, image and video tagging, and image editing. AI Chat, Image, Video, and Music: The platform features advanced AI capabilities in chat, image creation, video processing, and music generation, allowing users to explore and harness AI's creative potential without requiring extensive technical knowledge. User-Friendly Interface: DeepAI's website is designed for ease of use, enabling users to navigate and utilize the AI tools effectively.Starting Price: $5/month/user -
6
Speechmatics
Speechmatics
Best-in-Market Speech-to-Text & Voice AI for Enterprises. Speechmatics delivers industry-leading Speech-to-Text and Voice AI for enterprises needing unrivaled accuracy, security, and flexibility. Our enterprise-grade APIs provide real-time and batch transcription with exceptional precision—across the widest range of languages, dialects, and accents. Powered by Foundational Speech Technology, Speechmatics supports mission-critical voice applications in media, contact centers, finance, healthcare, and more. With on-prem, cloud, and hybrid deployment, businesses maintain full control over data security while unlocking voice insights. Trusted by global leaders, Speechmatics is the top choice for best-in-class transcription and voice intelligence. 🔹 Unmatched Accuracy – Superior transcription across languages & accents 🔹 Flexible Deployment – Cloud, on-prem, and hybrid 🔹 Enterprise-Grade Security – Full data control 🔹 Real-Time & Batch Processing – Scalable transcriptionStarting Price: $0 per month -
7
Google Cloud Translation API
Google
Make your content and apps multilingual with fast, dynamic machine translation available in thousands of language pairs. The basic edition of the Translation API translates the texts of your website and your applications into more than 100 languages instantly. The Advanced edition offers dynamic results just as quickly as the Basic edition, but also includes other customization features, which is very important when you use phrases or terms that are specific to specific areas and contexts. The pre-trained model of the Translation API supports over a hundred languages, from Afrikaans to Zulu. With AutoML Translation you can create custom models in more than fifty language pairs. Thanks to the Translation API glossary, the content you translate will remain true to your brand. You just have to indicate which vocabulary you want to give priority to and save the glossary file in your translation project.Starting Price: Free (500k characters/month) -
8
Murf AI
Murf AI
Murf API is an advanced text-to-speech (TTS) solution that transforms written text into natural, lifelike voiceovers with remarkable accuracy and ease. It empowers developers and businesses with a suite of sophisticated features, including pitch and speed modulation, audio duration adjustments, customizable pauses, and an extensive pronunciation library. With 133+ AI voices in 20+ languages, including regional accents, Murf API enables businesses to create localized and accessible audio experiences for global audiences. The API supports a variety of audio formats—MP3, WAV, FLAC, ALAW, ULAW, and Base64. Murf API features a transparent, self-serve pricing model with flexible plans, robust security measures, and comprehensive documentation, ensuring effortless integration with chatbots, IVR systems, websites, and mobile apps.Starting Price: $9/one-time -
9
ChatGPT
OpenAI
ChatGPT is a language model developed by OpenAI. It has been trained on a diverse range of internet text, allowing it to generate human-like responses to a variety of prompts. ChatGPT can be used for various natural language processing tasks, such as question answering, conversation, and text generation. ChatGPT is a pre-trained language model that uses deep learning algorithms to generate text. It was trained on a large corpus of text data, allowing it to generate human-like responses to a wide range of prompts. The model has a transformer architecture, which has been shown to be effective in many NLP tasks. In addition to generating text, ChatGPT can also be fine-tuned for specific NLP tasks such as question answering, text classification, and language translation. This allows developers to build powerful NLP applications that can perform specific tasks more accurately. ChatGPT can also process and generate code.Starting Price: Free -
10
Dialogflow
Google
Dialogflow from Google Cloud is a natural language understanding platform that makes it easy to design and integrate a conversational user interface into your mobile app, web application, device, bot, interactive voice response system, and so on. Using Dialogflow, you can provide new and engaging ways for users to interact with your product. Dialogflow can analyze multiple types of input from your customers, including text or audio inputs (like from a phone or voice recording). It can also respond to your customers in a couple of ways, either through text or with synthetic speech. Dialogflow CX and ES provide virtual agent services for chatbots and contact centers. If you have a contact center that employs human agents, you can use Agent Assist to help your human agents. Agent Assist provides real-time suggestions for human agents while they are in conversations with end-user customers. -
11
OpenAI
OpenAI
OpenAI’s mission is to ensure that artificial general intelligence (AGI)—by which we mean highly autonomous systems that outperform humans at most economically valuable work—benefits all of humanity. We will attempt to directly build safe and beneficial AGI, but will also consider our mission fulfilled if our work aids others to achieve this outcome. Apply our API to any language task — semantic search, summarization, sentiment analysis, content generation, translation, and more — with only a few examples or by specifying your task in English. One simple integration gives you access to our constantly-improving AI technology. Explore how you integrate with the API with these sample completions. -
12
Gemini
Google
Gemini is Google's advanced AI chatbot designed to enhance creativity and productivity by engaging in natural language conversations. Accessible via the web and mobile apps, Gemini integrates seamlessly with various Google services, including Docs, Drive, and Gmail, enabling users to draft content, summarize information, and manage tasks efficiently. Its multimodal capabilities allow it to process and generate diverse data types, such as text, images, and audio, providing comprehensive assistance across different contexts. As a continuously learning model, Gemini adapts to user interactions, offering personalized and context-aware responses to meet a wide range of user needs.Starting Price: Free -
13
GPT-3
OpenAI
Our GPT-3 models can understand and generate natural language. We offer four main models with different levels of power suitable for different tasks. Davinci is the most capable model, and Ada is the fastest. The main GPT-3 models are meant to be used with the text completion endpoint. We also offer models that are specifically meant to be used with other endpoints. Davinci is the most capable model family and can perform any task the other models can perform and often with less instruction. For applications requiring a lot of understanding of the content, like summarization for a specific audience and creative content generation, Davinci is going to produce the best results. These increased capabilities require more compute resources, so Davinci costs more per API call and is not as fast as the other models.Starting Price: $0.0200 per 1000 tokens -
14
GPT-4
OpenAI
GPT-4 (Generative Pre-trained Transformer 4) is a large-scale unsupervised language model, yet to be released by OpenAI. GPT-4 is the successor to GPT-3 and part of the GPT-n series of natural language processing models, and was trained on a dataset of 45TB of text to produce human-like text generation and understanding capabilities. Unlike most other NLP models, GPT-4 does not require additional training data for specific tasks. Instead, it can generate text or answer questions using only its own internally generated context as input. GPT-4 has been shown to be able to perform a wide variety of tasks without any task specific training data such as translation, summarization, question answering, sentiment analysis and more.Starting Price: $0.0200 per 1000 tokens -
15
GPT-3.5
OpenAI
GPT-3.5 is the next evolution of GPT 3 large language model from OpenAI. GPT-3.5 models can understand and generate natural language. We offer four main models with different levels of power suitable for different tasks. The main GPT-3.5 models are meant to be used with the text completion endpoint. We also offer models that are specifically meant to be used with other endpoints. Davinci is the most capable model family and can perform any task the other models can perform and often with less instruction. For applications requiring a lot of understanding of the content, like summarization for a specific audience and creative content generation, Davinci is going to produce the best results. These increased capabilities require more compute resources, so Davinci costs more per API call and is not as fast as the other models.Starting Price: $0.0200 per 1000 tokens -
16
GPT-4 Turbo
OpenAI
GPT-4 is a large multimodal model (accepting text or image inputs and outputting text) that can solve difficult problems with greater accuracy than any of our previous models, thanks to its broader general knowledge and advanced reasoning capabilities. GPT-4 is available in the OpenAI API to paying customers. Like gpt-3.5-turbo, GPT-4 is optimized for chat but works well for traditional completions tasks using the Chat Completions API. GPT-4 is the latest GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Returns a maximum of 4,096 output tokens. This preview model is not yet suited for production traffic.Starting Price: $0.0200 per 1000 tokens -
17
Mistral AI
Mistral AI
Mistral AI is a pioneering artificial intelligence startup specializing in open-source generative AI. The company offers a range of customizable, enterprise-grade AI solutions deployable across various platforms, including on-premises, cloud, edge, and devices. Flagship products include "Le Chat," a multilingual AI assistant designed to enhance productivity in both personal and professional contexts, and "La Plateforme," a developer platform that enables the creation and deployment of AI-powered applications. Committed to transparency and innovation, Mistral AI positions itself as a leading independent AI lab, contributing significantly to open-source AI and policy development.Starting Price: Free -
18
Cohere
Cohere AI
Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.Starting Price: Free -
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Get insightful text analysis with machine learning that extracts, analyzes, and stores text. Train high-quality machine learning custom models without a single line of code with AutoML. Apply natural language understanding (NLU) to apps with Natural Language API. Use entity analysis to find and label fields within a document, including emails, chat, and social media, and then sentiment analysis to understand customer opinions to find actionable product and UX insights. Natural Language with speech-to-text API extracts insights from audio. Vision API adds optical character recognition (OCR) for scanned docs. Translation API understands sentiments in multiple languages. Use custom entity extraction to identify domain-specific entities within documents, many of which don’t appear in standard language models, without having to spend time or money on manual analysis. Train your own high-quality machine learning custom models to classify, extract, and detect sentiment.
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20
GPT-4o
OpenAI
GPT-4o (“o” for “omni”) is a step towards much more natural human-computer interaction—it accepts as input any combination of text, audio, image, and video and generates any combination of text, audio, and image outputs. It can respond to audio inputs in as little as 232 milliseconds, with an average of 320 milliseconds, which is similar to human response time (opens in a new window) in a conversation. It matches GPT-4 Turbo performance on text in English and code, with significant improvement on text in non-English languages, while also being much faster and 50% cheaper in the API. GPT-4o is especially better at vision and audio understanding compared to existing models.Starting Price: $5.00 / 1M tokens -
21
You.com
You.com
You.com is an AI-powered search engine designed to provide a more personalized and efficient browsing experience. Unlike traditional search engines, You.com prioritizes user control, allowing individuals to customize their search preferences and filter results based on their needs. It integrates advanced artificial intelligence to deliver precise answers, summaries, and actionable insights, often drawing from trusted sources and real-time data. With an emphasis on privacy, You.com avoids tracking user behavior, making it a preferred choice for those seeking a secure, ad-free, and customizable search environment. Its unique interface also supports productivity by offering app-like integrations for tasks like coding, writing, and exploring creative content.Starting Price: Free -
22
IBM Watson
IBM
Learn how to operationalize AI in your business. Watson helps you predict and shape future outcomes, automate complex processes, and optimize your employees’ time. Infuse Watson into your workflows to predict and shape future outcomes, automate complex processes, and optimize your employees’ time. Infuse Watson into your apps and workflows to tap into organizational data and put AI to work across multiple departments – from finance, to customer care, to supply chain. With Watson, you can create better, more personalized experiences for customers, scale the expertise of your best people across the organization, and make smarter decisions based on deep insights from data. Watson products and solutions are grounded in science, human-centered design, and inclusivity. An open, faster, more secure way to move more workloads to cloud and AI. -
23
Azure AI Services
Microsoft
Build cutting-edge, market-ready AI applications with out-of-the-box and customizable APIs and models. Quickly infuse generative AI into production workloads using studios, SDKs, and APIs. Gain a competitive edge by building AI apps powered by foundation models, including those from OpenAI, Meta, and Microsoft. Detect and mitigate harmful use with built-in responsible AI, enterprise-grade Azure security, and responsible AI tooling. Build your own copilot and generative AI applications with cutting-edge language and vision models. Retrieve the most relevant data using keyword, vector, and hybrid search. Monitor text and images to detect offensive or inappropriate content. Translate documents and text in real time across more than 100 languages. -
24
Eden AI
Eden AI
Eden AI simplifies the use and deployment of AI technologies by providing a unique API connected to the best AI engines. Your time is precious: we take care of providing you with the AI engine best suited to your project and your data. No need to wait for weeks to change your AI engine. You can do it for free in a few seconds. We make sure to get you the cheapest provider while ensuring equal performance.Starting Price: $29/month/user -
25
spaCy
spaCy
spaCy is designed to help you do real work, build real products, or gather real insights. The library respects your time and tries to avoid wasting it. It's easy to install, and its API is simple and productive. spaCy excels at large-scale information extraction tasks. It's written from the ground up in carefully memory-managed Cython. If your application needs to process entire web dumps, spaCy is the library you want to be using. Since its release in 2015, spaCy has become an industry standard with a huge ecosystem. Choose from a variety of plugins, integrate with your machine learning stack, and build custom components and workflows. Components for named entity recognition, part-of-speech tagging, dependency parsing, sentence segmentation, text classification, lemmatization, morphological analysis, entity linking, and more. Easily extensible with custom components and attributes. Easy model packaging, deployment, and workflow management.Starting Price: Free -
26
AI/ML API
AI/ML API
AI/ML API is a game-changing platform for developers and SaaS entrepreneurs looking to integrate cutting-edge AI capabilities into their products. It offers a single point of access to over 200 state-of-the-art AI models, covering everything from NLP to computer vision. Key Features for Developers: Extensive Model Library: 200+ pre-trained models for rapid prototyping and deployment Developer-Friendly Integration: RESTful APIs and SDKs for seamless incorporation into your stack Serverless Architecture: Focus on coding, not infrastructure management Advantages for SaaS Entrepreneurs: Rapid Time-to-Market: Leverage advanced AI without building from scratch Scalability: From MVP to enterprise-grade solutions, AI/ML API grows with your business Cost-Efficiency: Pay-as-you-go pricing model reduces upfront investment Competitive Edge: Stay ahead with continuously updated AI modelsStarting Price: $4.99/week -
27
MeaningCloud
MeaningCloud
MeaningCloud is the easiest, most powerful, and most affordable way to extract the meaning from unstructured content: documents, articles, social conversations, web content, etc. We provide text analytics products to extract the most accurate insights from any content in many languages. And we do it SaaS and On-prem. We work for different industries (pharma, finance, media, retail, hospitality, telco, etc.) developing personalized and industry-oriented solutions. Pay only for what you use, without any activation fees, minimum time commitment and with the most generous free plan of the market. If you don't like it, you can stop using it, just like that. Without software to install or infrastructure to deploy. All the reliability and scalability of solutions in the cloud, and the possibility of testing it for free.Starting Price: $99 per month -
28
Vertex AI Vision
Google
Easily build, deploy, and manage computer vision applications with a fully managed, end-to-end application development environment that reduces the time to build computer vision applications from days to minutes at one-tenth the cost of current offerings. Quickly and conveniently ingest real-time video and image streams at a global scale. Easily build computer vision applications using a drag-and-drop interface. Store and search petabytes of data with built-in AI capabilities. Vertex AI Vision includes all the tools needed to manage the life cycle of computer vision applications, across ingestion, analysis, storage, and deployment. Easily connect application output to a data destination, like BigQuery for analytics, or live streaming to drive real-time business actions. Ingest thousands of video streams from across the globe. With a monthly pricing model, enjoy up to one-tenth lower costs than previous offerings.Starting Price: $0.0085 per GB -
29
Komprehend
Komprehend
Komprehend AI APIs are the most comprehensive set of document classification and NLP APIs for software developers. Our NLP models are trained on more than a billion documents and provide state-of-the-art accuracy on most common NLP use cases such as sentiment analysis and emotion detection. Try our free demo now and see the effectiveness of our Text Analysis API. Maintains high accuracy in the real world, and brings out useful insights from open-ended textual data. Works on a variety of data, ranging from finance to healthcare. Supports private cloud deployments via Docker containers or on-premise deployment ensuring no data leakage. Protects your data and follows the GDPR compliance guidelines to the last word. Understand the social sentiment of your brand, product, or service while monitoring online conversations. Sentiment analysis is contextual mining of text which identifies and extracts subjective information in the source material.Starting Price: $79 per month -
30
Klazify
Klazify
All-in-one domain data source to get website logos, company data, categorization, and much more from a URL or email. Our website categorization API is highly accurate, a simple lookup of a company will classify its industry within 385 possible topic categories. Our classification taxonomy is based on the IAB V2 standard, it can be used for 1-1 personalization, marketing segmentation, online filtering, and more. Our classification taxonomy is based on the IAB V2 standard, it can be used for 1-1 personalization, marketing segmentation, online filtering, and more. We offer three top-level category structures to choose from. Whether you need the IAB taxonomy's deep categorization or prefer a more straightforward category structure, we’ve got you covered. Our website categorization API uses a machine learning (ML) engine to scan a website’s content and meta tags. It extracts text to classify the site and assigns up to three categories aided by natural language processing (NLP).Starting Price: $89 per month