AI Model Comparison
Updated March 2026
AI Model Comparison
Compare GPT-4o, Claude Opus, Gemini 2.5, Llama 3.3 and more — pricing, capabilities, context windows & best use cases.
| Feature | GPT-4o | Claude Opus | Gemini 2.5 | Llama 3.3 |
|---|---|---|---|---|
| Provider | OpenAI | Anthropic | Meta | |
| Context Window | 128K | 200K | 1M | 128K |
| Input Price (per M) | $2.50 | $3.00 | $1.25 | $0.10 |
| Output Price (per M) | $10.00 | $15.00 | $5.00 | $0.10 |
| Coding | 92/100 | 88/100 | 87/100 | 82/100 |
| Writing | 88/100 | 95/100 | 85/100 | 80/100 |
| Reasoning | 90/100 | 93/100 | 88/100 | 82/100 |
| Vision | Yes | Yes | Yes | Yes |
| Open Source | No | No | No | Yes |
| Best For | General + Code | Writing + Analysis | Long Context | Self-Hosting |
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How to Choose the Right AI Model in 2026
Selecting the right AI model depends on your use case, budget, and technical requirements. GPT-4o remains the most versatile general-purpose model with strong coding and reasoning. Claude Opus excels at long-form writing, nuanced analysis, and following complex instructions. Gemini 2.5 Pro offers the largest context window at 1 million tokens. Llama 3.3 is the leading open-source option for self-hosted deployments.
AI Model Pricing Breakdown
API pricing varies significantly. For cost-sensitive applications, Llama 3.3 offers the lowest per-token cost. For premium quality, GPT-4o Mini and Gemini Flash offer the best balance of quality and affordability.
Frequently Asked Questions
Which AI model is best for coding?
GPT-4o currently leads in coding benchmarks with a score of 92/100, followed by Claude Opus at 88/100. For cost-sensitive coding tasks, GPT-4o Mini offers excellent value.
Which AI model has the largest context window?
Gemini 2.5 Pro has the largest context window at 1 million tokens. Claude Opus supports 200K tokens, while GPT-4o and Llama 3.3 support 128K tokens.
Which AI model is cheapest?
Llama 3.3 is cheapest at $0.10 per million tokens for both input and output. Among proprietary models, Gemini Flash and GPT-4o Mini offer the best pricing.
Is this comparison tool free?
Yes, completely free. Data is updated regularly to reflect the latest pricing and capabilities.