GPT-6.1 Sol

openai/gpt-6.1-sol

OpenAI GPT-6.1 Sol with an Ultrafast Responses API service tier.

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Input: Text
Output: Text
Released: 2026-10-08

Weights: Closed
Capabilities: Reasoning, Structured, Tool call

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Performance

Overall capability

70.1/100

Coding: 68.4
Reasoning: 76.8
Professional work: 58.8
Knowledge & language: 70.7


Arena Agent Overall	Professional work	LMArena	2026-11-08
Code Migration	Coding	Vals AI	2026-11-05
AA-OmniscienceGPT-6.1 Sol (Xhigh)	Knowledge & language	Artificial Analysis	2026-11-05
AutomationBench-AAGPT-6.1 Sol (Xhigh)	Professional work	Artificial Analysis	2026-11-05
Vibe Code Bench v1.1	Coding	Vals AI	2026-11-05
Chess Puzzles	Reasoning	Epoch AI	2026-11-05
Harvey Legal Agent Benchmark	Professional work	Vals AI / Harvey	2026-11-05
Terminal-Bench 4.0 (Vals rerun)	Coding	Vals AI	2026-11-05

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ModelRegistry · Catalog updated 2026-11-10