# Claude Opus 4.8 vs GPT-5.6 Sol

As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5.6 Sol in 2 of 10 shared categories: Reasoning and Long context.

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

GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.

Claude Opus 4.8: closed weights.

GPT-5.6 Sol: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in General LLM at #17 against #21.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5.6 Sol in Reasoning at #10 against #12.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Science at #13 against #27.
- Which to pick, Coding: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Coding at #9 against #12.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Coding › Agentic at #9 against #12.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Coding › Web dev at #23 against #35.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5.6 Sol in Long context at #10 against #13.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Vision at #3 against #13.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Factuality at #15 against #24.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.8 in Abstraction (ARC) at #3 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-5.6 Sol is near state of the art, rank #3 in Vision (since Oct 15, 2026; sources GDP.pdf; methodology v1.0).