Model Comparison
GPT-5.2 vs Claude Sonnet 4.6
Both models are evenly matched across the benchmarks. GPT-5.2 is 1.2x cheaper per token.
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FAQ
Common questions about GPT-5.2 vs Claude Sonnet 4.6
Both models are evenly matched across the benchmarks. GPT-5.2 is made by OpenAI and Claude Sonnet 4.6 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%.
GPT-5.2 is 1.7x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic.
GPT-5.2 supports 400K tokens and Claude Sonnet 4.6 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 200K), input pricing ($1.75 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.2 is developed by OpenAI and Claude Sonnet 4.6 is developed by Anthropic.