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.

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
Anthropic
Claude Sonnet 4.6
Google
Gemini 2.5 Pro

FAQ

Common questions about GPT-5.2 vs Claude Sonnet 4.6.

Which is better, GPT-5.2 or 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.

How does GPT-5.2 compare to Claude Sonnet 4.6 in benchmarks?

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%.

Is GPT-5.2 cheaper than Claude Sonnet 4.6?

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.

What are the context window sizes for GPT-5.2 and Claude Sonnet 4.6?

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.

What are the main differences between GPT-5.2 and Claude Sonnet 4.6?

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.

Who makes GPT-5.2 and Claude Sonnet 4.6?

GPT-5.2 is developed by OpenAI and Claude Sonnet 4.6 is developed by Anthropic.