Anthropic Claude vs OpenAI GPT — the two most popular AI model families compared head-to-head. 13 Claude models and 61 GPT models analyzed across scores, pricing, capabilities, and context windows.
| Capability | Claude Models | GPT Models | Leader |
|---|---|---|---|
Vision | 13/13 | 40/61 | OpenAI |
Reasoning | 10/13 | 30/61 | OpenAI |
Function Calling | 13/13 | 54/61 | OpenAI |
JSON Mode | 6/13 | 59/61 | OpenAI |
Web Search | 11/13 | 29/61 | OpenAI |
Streaming | 13/13 | 61/61 | OpenAI |
Image Output | 0/13 | 2/61 | OpenAI |
| Metric | Anthropic (Claude) | OpenAI (GPT) |
|---|---|---|
| Cheapest Input (per 1M tokens) | $0.250 Claude 3 Haiku | $0.030 gpt-oss-20b |
| Cheapest Output (per 1M tokens) | $1.25 | $0.140 |
| Most Expensive Input (per 1M tokens) | $15.00 Claude Opus 4.1 | $150.00 o1-pro |
| Most Expensive Output (per 1M tokens) | $75.00 | $600.00 |
| Free Models | 0 | 2 |
| Max Context Window | 1.0M | 1.1M |
Choosing between Anthropic's Claude and OpenAI's GPT depends on your specific use case, budget, and requirements. Both providers offer state-of-the-art large language models, but they have distinct strengths.
Both providers deliver top-tier AI capabilities. Anthropic's Claude family averages a composite score of 62 while OpenAI's GPT family averages 56. For the best results, use the detailed head-to-head comparisons above to match the right model to your exact needs — the best model depends on the task, not just the provider.
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