GPT-5.5 vs Claude Opus 4.7
Side-by-side comparison of OpenAI's GPT-5.5 and Anthropic's Claude Opus 4.7. Which one is right for you?
Benchmark Comparison
Coding
Claude Opus 4.7 wins94
97
Reasoning
GPT-5.5 wins96
95
Multimodal
GPT-5.5 wins97
88
Speed
GPT-5.5 wins82
78
Overall
GPT-5.5 wins93
92
Pricing Comparison
GPT-5.5
API Input$5.00/1M
API Output$30.00/1M
Subscription$20/mo
Free tierYes
Claude Opus 4.7
API Input$5.00/1M
API Output$25.00/1M
Subscription$20/mo
Free tierYes
Specifications
| Spec | GPT-5.5 | Claude Opus 4.7 |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Released | 2026-03 | 2026-05 |
| Category | Frontier | Frontier |
| Context Window | 1M | 200K |
| Open Source | No | No |
| Multimodal | Yes | Yes |
| Best For | General purpose, Computer use, Autonomous agents | Coding, Agentic reasoning, Long documents |
GPT-5.5
Best all-rounder
Strong at autonomous tasks
Large context window
Expensive API
Rate limits on free tier
Claude Opus 4.7
Best coding model
Excellent reasoning and analysis
Fewer refusals
Slower than GPT-5.5
Smaller context window