# Claude Opus 4.1 vs GPT-6.1 Sol

As of Oct 15, 2026, Claude Opus 4.1 leads GPT-6.1 Sol in 0 of 6 shared categories.

Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.

GPT-6.1 Sol: $4.000000000000001 per 1M blended tokens.

Claude Opus 4.1: closed weights.

GPT-6.1 Sol: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in General LLM at #18 against #73.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in Reasoning at #15 against #60.
- Which to pick, Science: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in Science at #4 against #83.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in Coding › Web dev at #4 against #84.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in Long context at #18 against #52.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.1 in Factuality at #33 against #93.

As of Oct 15, 2026, Claude Opus 4.1 is a former state-of-the-art holder in General LLM (since Aug 18, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, GPT-6.1 Sol is tied for state of the art in Vision (since Sep 30, 2026; sources GDP.pdf; methodology v1.0).