# Claude Opus 4.8 vs GPT-6.1 Sol

As of Oct 15, 2026, Claude Opus 4.8 leads GPT-6.1 Sol in 3 of 10 shared categories: Reasoning, Long context, and Factuality.

Claude Opus 4.8: $10 per 1M blended tokens.

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

Claude Opus 4.8: 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 4.8 in General LLM at #18 against #21.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-6.1 Sol in Reasoning at #10 against #15.
- Which to pick, Science: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Science at #4 against #27.
- Which to pick, Coding: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Coding at #2 against #12.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Coding › Agentic at #2 against #12.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Coding › Web dev at #4 against #35.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-6.1 Sol in Long context at #10 against #18.
- Which to pick, Vision: As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Vision at #1 against #13.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-6.1 Sol in Factuality at #24 against #33.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6.1 Sol leads Claude Opus 4.8 in Abstraction (ARC) at #1 against #12.

As of Oct 15, 2026, Claude Opus 4.8 is a former state-of-the-art holder in Coding › Web dev (since Jun 5, 2026; sources LMArena WebDev; 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).