Analysis of Leading Large Language Models (LLMs) in 2025

With the recent release of Grok 3, an updated, albeit subjective, ranking of mainstream Large Language Models (LLMs) is warranted. This analysis evaluates several key aspects, including free and paid options, web-based subscriptions, and API access, to provide a comprehensive comparison.

LLM Rankings Across Different Scenarios

For Free Users:

  • Grok 3: xAI's Grok 3, launched on February 17, 2025, is presented as a strong contender, particularly noted for its reasoning capabilities and integration with real-time data from X (formerly Twitter). Grok 3 Beta — The Age of Reasoning Agents
  • Gemini: Google's Gemini is recognized for its versatile generative capabilities and seamless integration with Google products, enhancing productivity and workflow automation. Google Gemini Reviews, Ratings & Features 2025 | Gartner Peer Insights
  • DeepSeek: DeepSeek models are highlighted for their efficient reasoning, particularly in mathematical tasks, attributed to advanced reinforcement learning techniques used in their training. DeepSeek Review: Is It Better Than ChatGPT? You Decide - Unite.AI
  • GPT: While still relevant, earlier GPT models are positioned lower in the free tier compared to newer models.
  • Perplexity, Claude, Mistral: These models are placed lower in the free tier ranking, suggesting they may have limitations compared to the top contenders in a free usage context. Mistral AI, however, is noted for offering free API access which could be advantageous for specific use cases. Mistral AI: Latest Review, Advantages & Guide (2024) - HyScaler

For Paid Subscriptions:

  • Model Capability:
    • GPT ($200 tier): GPT-4 is recognized for its advanced reasoning and ability to handle complex tasks, processing significantly larger text volumes than its predecessors. OpenAI GPT-4: A complete review - Version 1
    • Grok 3, Gemini, Claude, Perplexity: These models follow GPT in capability ranking, indicating a tiered performance level in demanding paid applications.
  • Cost-Effectiveness:
    • Gemini: Gemini leads in cost-effectiveness, likely due to its competitive pricing and integration with Google services, including 2TB storage and Notebook LM.
    • Grok 3, GPT ($20 tier), Perplexity, Claude: These models are ranked lower in cost-effectiveness compared to Gemini, suggesting a potentially higher cost for similar performance or features.
  • Ecosystem:
    • Gemini: Gemini's ecosystem is considered superior, benefiting from Google's extensive suite of integrated services.
    • GPT, Grok 3, Perplexity, Claude: These models have ecosystems ranked lower than Gemini, potentially indicating less comprehensive integration with other services or tools.
  • AI Coding:
    • GPT (o1 and above, likely GPT-4 and potentially Code Interpreter): GPT models, especially advanced versions, are considered top-tier for AI coding tasks.
    • Claude, Grok 3, Gemini, DeepSeek: These models are positioned as capable in AI coding, but potentially less performant than GPT-4 for the most demanding coding applications. DeepSeek, despite its reasoning strengths, is ranked lower for coding specifically in this comparison.
  • Writing Ability:

Web Version Subscriptions:

  • Grok 3, Gemini, GPT, Perplexity, Claude: Grok 3 and Gemini are presented as leading choices for web-based subscriptions, outperforming GPT, Perplexity, and Claude in this category.

Summary of Model Strengths:

  • Grok 3: Strong comprehensive capabilities, including a robust foundation model, DeepSearch functionality, advanced reasoning, and image generation. It is highlighted as a very good overall choice with top-tier performance in various areas.
  • Gemini: Offers a compelling value proposition due to its integration with Google services, providing advantages in pricing, storage (2TB), long context windows, and practical tools like Notebook LM. It excels in cost-effectiveness and ecosystem integration.
  • GPT (OpenAI): Remains the leader in specific high-performance scenarios, particularly with OpenAI Deep Research and advanced models like Chat-GPT (o1 Pro). Known for rapid updates and access to cutting-edge applications. Excels in AI coding and is stable and controllable for AI applications and agents.
  • Perplexity AI: A viable alternative, particularly for users seeking an AI-powered search engine replacement due to its ability to utilize different models simultaneously and provide sourced information. Perplexity AI Review: Top-Notch Answer Engine - BitDegree
  • Claude: Currently not recommended but warrants monitoring, especially the performance of the anticipated Claude 4 release expected in late February to mid-2025. Claude 4.0 From Anthropic Expected To Release Just Weeks Away - 9meters

API Call Performance:

  • Grok 3, Google (Gemini), GPT, Mistral, Claude: Grok 3 is positioned as the top choice for API calls, followed by Gemini and GPT. Mistral API is noted for being free and suitable for less complex tasks and automation.
  • Grok 3 API: Favored, with a mention of a free $150 USD monthly credit.
  • Gemini API: Praised for its usability and cost-effectiveness, including a free trial and strong programming capabilities. Gemini 2.0 Pro, released on February 5, 2025, is noted for improved quality in world knowledge, coding, and long context handling. Gemini 2.0 model updates: 2.0 Flash, Flash-Lite, Pro Experimental - The Keyword
  • Mistral API: Highlighted as a free option, useful for simpler applications and automated workflows.
  • GPT and Claude APIs: Recommended for applications requiring the strongest programming models. Grok and Gemini APIs are also capable alternatives.
  • GPT and Grok APIs: Preferred for AI Apps, Function Calls, workflows, RAG Agents, or AI Agents due to their stability and controllability.

Future Model Releases:

  • The landscape is expected to evolve rapidly with upcoming releases such as GPT 4.5, Claude 4, Gemini 2.0 Pro, and DeepSeek R2. These future models promise to bring further advancements, and their comprehensive performance will be evaluated in subsequent updates to this analysis. It's important to note that as of January 2025, OpenAI had not officially announced GPT-4.5. GPT 4.5 Release Date & Features: What to Expect - PromptLayer

This analysis provides a snapshot of the LLM landscape as of late February 2025, acknowledging the subjective nature of the rankings while aiming to offer a multi-faceted perspective for users considering different LLM subscriptions and API options.

Analysis of Leading Large Language Models (LLMs) in 2025
James Huang 2025年2月21日
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