gpt.college

GPT-5.2 Thinking vs Claude Opus 4.6

A practical comparison of two source-backed frontier model records, focused on coding evidence and model-choice caveats.

Last updated: 2026-06-11

OpenAI GPT-5.2 Thinking

A reasoning-focused GPT-5.2 configuration with detailed official benchmark tables across coding, academic, vision, and tool-use tasks.

codingreasoningmathmultimodalresearchagentic

Claude Opus 4.6

Anthropic's Opus 4.6 release, positioned around long-running agentic coding, computer-use, and professional workflows.

codingreasoningwritingresearchagentic

Use Case Fit

Broad benchmark coverage

OpenAI GPT-5.2 Thinking

GPT-5.2 Thinking has more public source-backed rows in the current registry across coding, academic, vision, and tool-use tasks.

SWE-bench Verified

Claude Opus 4.6

Claude Opus 4.6 has the higher sourced SWE-bench Verified row, with Anthropic's repeated-trial and prompt-modification caveat visible.

Benchmark Signals

Model Benchmark Score Source Source Type Verified Notes
OpenAI GPT-5.2 Thinking SWE-bench Verified 80 Introducing GPT-5.2 Accessed 2026-06-11 official Yes SWE-bench Verified score reported by OpenAI for GPT-5.2 Thinking.
OpenAI GPT-5.2 Thinking GPQA / GPQA Diamond 92.4 Introducing GPT-5.2 Accessed 2026-06-11 official Yes GPQA Diamond no-tools score from OpenAI's GPT-5.2 academic benchmark table.
OpenAI GPT-5.2 Thinking FrontierMath 40.3 Introducing GPT-5.2 Accessed 2026-06-11 official Yes FrontierMath Tier 1-3 with Python score from OpenAI's GPT-5.2 release page.
OpenAI GPT-5.2 Thinking MMMU-Pro 79.5 Introducing GPT-5.2 Accessed 2026-06-11 official Yes MMMU-Pro no-tools score from OpenAI's GPT-5.2 vision benchmark table.
OpenAI GPT-5.2 Thinking BrowseComp 65.8 Introducing GPT-5.2 Accessed 2026-06-11 official Yes BrowseComp score from OpenAI's GPT-5.2 tool-usage benchmark table.
Claude Opus 4.6 SWE-bench Verified 81.42 Introducing Claude Opus 4.6 Accessed 2026-06-11 official Yes Anthropic reports this SWE-bench Verified score averaged over 25 trials with a prompt modification.

official

Introducing GPT-5.2

Official OpenAI release page with detailed GPT-5.2 benchmark tables and methodology notes.

official

Introducing Claude Opus 4.6

Official Anthropic release page. Use benchmark notes carefully because some reported scores use repeated trials or prompt modifications.