AI Model Comparison 2026
Side-by-side comparison of the best AI models available today - free and paid.
Last verified: August 2026| Model | Free Tier | Context | Coding | Reasoning | Vision | Speed | Best For |
|---|---|---|---|---|---|---|---|
GPT-4o OpenAI | Limited (ChatGPT free) | 128K | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ✅ Yes | Fast | General use, coding, analysis |
Claude Sonnet 4.5 Anthropic | Limited (Claude.ai) | 200K | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ✅ Yes | Fast | Long documents, writing, coding |
Gemini 1.5 Pro Google | Limited (AI Studio) | 1M | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ | ✅ Yes | Medium | Very long documents, multimodal |
Gemini Flash 2.0 Google | Generous (AI Studio) | 1M | ⭐⭐⭐☆☆ | ⭐⭐⭐☆☆ | ✅ Yes | Very fast | Quick tasks, high volume, free |
Grok 2 xAI | Limited (X/Twitter) | 128K | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ | ✅ Yes | Fast | Real-time info, X integration |
DeepSeek V3 DeepSeek | Generous API free tier | 128K | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ❌ No | Fast | Coding, cheap API alternative |
Llama 3.1 70B Meta (open source) | Free to download | 128K | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ | ❌ No | Varies | Self-hosting, privacy |
Mistral Large Mistral AI | API free trial | 128K | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ | ❌ No | Fast | European privacy, multilingual |
Model capabilities change frequently. Always verify on the official provider website.