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Head-to-head
Claude Opus 4.7 vs GPT-5.5
Claude Opus 4.7 wins+2.7 pts (+3%)on the balanced composite.
Category-by-category
Higher bar wins each row.
Claude Opus 4.7
Category
GPT-5.5
+2.293.2
Code
91.0-2.2
+4.494.8
Reason
90.4-4.4
+2.991.5
Tool Use
88.6-2.9
+4.490.6
RAG
86.2-4.4
-3.484.1
Speed
87.5+3.4
Claude Opus 4.7
- Provider
- Anthropic
- Released
- 2026-02-14
- Context
- 1,000K
- Lab
- Verified
GPT-5.5
- Provider
- OpenAI
- Released
- 2026-03-02
- Context
- 400K
- Lab
- Verified