GPT-5.2 vs Claude Opus 4.8
Complete benchmark comparison on coding, reasoning, tool use, cost, and latency. Updated March 2026.
GPT-5.2 (xhigh)
by OpenAI
Coding9.6
Reasoning9.5
Tool Use9.5
Input$1.75 / 1M tokens
Output$14 / 1M tokens
Context400K
Strengths
- Best coding performance
- Strong agentic capabilities
- Excellent tool integration
- 400K context
Weaknesses
- Higher cost for output
- Newer model, less battle-tested
Claude Opus 4.8 (Adaptive)
by Anthropic
Coding9.6
Reasoning9.7
Tool Use9.4
Input$5 / 1M tokens
Output$25 / 1M tokens
Context1M
Strengths
- Top-tier intelligence
- Adaptive thinking
- Best for complex reasoning
- Prompt caching
Weaknesses
- Most expensive
- 200K context limit vs GPT-5.2
🏆 The Verdict
GPT-5.2 wins on coding by a hair, but both are exceptional. Choose GPT-5.2 for coding/agentic work, Claude for deep reasoning and analysis.
Best for Coding:GPT-5.2✓ WINBest for Reasoning:Claude Opus 4.8✓ WINBest for Agents:GPT-5.2✓ WINBest for Cost:GPT-5.2✓ WIN