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Claude Opus 4.6 vs GPT-5.2-Pro Benchmark Results

Claude Opus 4.6 and GPT-5.2-Pro are compared across multiple benchmark tests to evaluate their performance in reasoning, coding, and language tasks.

Someone benchmarked Claude Opus 4.6 against ChatGPT and found it’s surprisingly competitive with GPT-5.2-Pro now - and way cheaper to test.

The breakdown: Running 7 different benchmark builds cost about $22 in API credits. That’s pretty reasonable for getting actual performance data instead of just guessing which model to use.

They built a public benchmark anyone can check out: https://minebench.vercel.app/

The site shows head-to-head comparisons across different tasks. Turns out the quality gap between frontier models is narrowing, which is good news for projects with tighter budgets.

For anyone picking between models, spending $20-30 on proper benchmarking beats months of wondering if you picked the right one. The interactive results let you filter by specific use cases instead of relying on vendor claims.