Best Large Language Models

Compare the Top Large Language Models as of April 2025

What are Large Language Models?

Large language models are artificial neural networks used to process and understand natural language. Commonly trained on large datasets, they can be used for a variety of tasks such as text generation, text classification, question answering, and machine translation. Over time, these models have continued to improve, allowing for better accuracy and greater performance on a variety of tasks. Compare and read user reviews of the best Large Language Models currently available using the table below. This list is updated regularly.

  • 1
    Vertex AI
    Large Language Models (LLMs) in Vertex AI enable businesses to perform complex natural language processing tasks such as text generation, summarization, and sentiment analysis. These models, powered by massive datasets and cutting-edge techniques, can understand context and generate human-like responses. Vertex AI offers scalable solutions for training, fine-tuning, and deploying LLMs to meet business needs. New customers receive $300 in free credits, allowing them to explore the potential of LLMs in their applications. With these models, businesses can enhance their AI-driven text-based services and improve customer interactions.
    Starting Price: Free ($300 in free credits)
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  • 2
    Google AI Studio
    Google AI Studio provides access to large language models (LLMs) that are capable of understanding and generating human-like text. These models are trained on vast amounts of data and are designed to perform a wide range of language tasks, from translation and summarization to question answering and content generation. By leveraging LLMs, businesses can create applications that understand complex language inputs and produce contextually relevant responses. Google AI Studio also allows users to fine-tune these models, making them highly adaptable to specific use cases or industry requirements.
    Starting Price: Free
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  • 3
    LM-Kit.NET
    LM-Kit.NET empowers developers to integrate advanced AI capabilities into C# and VB.NET applications. With state-of-the-art large language models at its core, the platform enables natural language processing, dynamic text generation, and multi-turn dialogue management, paving the way for smarter and more intuitive interactions. Optimized for performance, LM-Kit.NET also supports small language models that deliver efficient on-device inference, reducing latency and computational overhead without sacrificing quality. Additionally, its vision language models open new avenues for image analysis and interpretation, extending AI's reach into multimodal applications. Complementing these capabilities are advanced embedding models that convert text into meaningful numerical representations, enhancing data retrieval and analysis.
    Starting Price: Free (Community) or $1000/year
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  • 4
    OpenAI

    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.
  • 5
    Mistral AI

    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
  • 6
    JinaChat

    JinaChat

    Jina AI

    Experience JinaChat, a pioneering LLM service tailored for pro users. JinaChat ushers in a new era of multimodal chat capabilities, extending beyond text to incorporate images and more. Delight in our offer of free short interactions under 100 tokens. Our API empowers developers to leverage long conversation histories and eliminate redundant prompts to build complex applications. Dive headfirst into the future of LLM services with JinaChat, where conversations are multimodal, long-memory, and affordable. Modern LLM applications often hinge on lengthy prompts or extensive memory, leading to high costs when similar prompts are repeatedly sent to the server with only minor changes. JinaChat's API solves this problem by letting you carry forward previous conversations without resending the entire prompt. This saves you both time and money, making it the perfect tool for developing complex applications like AutoGPT.
    Starting Price: $9.99 per month
  • 7
    Langbase

    Langbase

    Langbase

    The complete LLM platform with a superior developer experience and robust infrastructure. Build, deploy, and manage hyper-personalized, streamlined, and trusted generative AI apps. Langbase is an open source OpenAI alternative, a new inference engine & AI tool for any LLM. The most "developer-friendly" LLM platform to ship hyper-personalized AI apps in seconds.
    Starting Price: Free
  • 8
    Azure OpenAI Service
    Apply advanced coding and language models to a variety of use cases. Leverage large-scale, generative AI models with deep understandings of language and code to enable new reasoning and comprehension capabilities for building cutting-edge applications. Apply these coding and language models to a variety of use cases, such as writing assistance, code generation, and reasoning over data. Detect and mitigate harmful use with built-in responsible AI and access enterprise-grade Azure security. Gain access to generative models that have been pretrained with trillions of words. Apply them to new scenarios including language, code, reasoning, inferencing, and comprehension. Customize generative models with labeled data for your specific scenario using a simple REST API. Fine-tune your model's hyperparameters to increase accuracy of outputs. Use the few-shot learning capability to provide the API with examples and achieve more relevant results.
    Starting Price: $0.0004 per 1000 tokens
  • 9
    Martian

    Martian

    Martian

    By using the best-performing model for each request, we can achieve higher performance than any single model. Martian outperforms GPT-4 across OpenAI's evals (open/evals). We turn opaque black boxes into interpretable representations. Our router is the first tool built on top of our model mapping method. We are developing many other applications of model mapping including turning transformers from indecipherable matrices into human-readable programs. If a company experiences an outage or high latency period, automatically reroute to other providers so your customers never experience any issues. Determine how much you could save by using the Martian Model Router with our interactive cost calculator. Input your number of users, tokens per session, and sessions per month, and specify your cost/quality tradeoff.
  • 10
    GradientJ

    GradientJ

    GradientJ

    GradientJ provides everything you need to build large language model applications in minutes and manage them forever. Discover and maintain the best prompts by saving versions and comparing them across benchmark examples. Orchestrate and manage complex applications by chaining prompts and knowledge bases into complex APIs. Enhance the accuracy of your models by integrating them with your proprietary data.
  • 11
    Tune AI

    Tune AI

    NimbleBox

    Leverage the power of custom models to build your competitive advantage. With our enterprise Gen AI stack, go beyond your imagination and offload manual tasks to powerful assistants instantly – the sky is the limit. For enterprises where data security is paramount, fine-tune and deploy generative AI models on your own cloud, securely.
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