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
    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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  • 3
    Selene 1
    Atla's Selene 1 API offers state-of-the-art AI evaluation models, enabling developers to define custom evaluation criteria and obtain precise judgments on their AI applications' performance. Selene outperforms frontier models on commonly used evaluation benchmarks, ensuring accurate and reliable assessments. Users can customize evaluations to their specific use cases through the Alignment Platform, allowing for fine-grained analysis and tailored scoring formats. The API provides actionable critiques alongside accurate evaluation scores, facilitating seamless integration into existing workflows. Pre-built metrics, such as relevance, correctness, helpfulness, faithfulness, logical coherence, and conciseness, are available to address common evaluation scenarios, including detecting hallucinations in retrieval-augmented generation applications or comparing outputs to ground truth data.
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