# Claude Sonnet 4.5 vs GPT-6 Sol

As of Oct 15, 2026, Claude Sonnet 4.5 leads GPT-6 Sol in 2 of 7 shared categories: Long context and Factuality.

Claude Sonnet 4.5: $6 per 1M blended tokens.

GPT-6 Sol: $4.000000000000001 per 1M blended tokens.

Claude Sonnet 4.5: closed weights.

GPT-6 Sol: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Sol leads Claude Sonnet 4.5 in General LLM at #54 against #62.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Sol leads Claude Sonnet 4.5 in Reasoning at #49 against #51.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Sol leads Claude Sonnet 4.5 in Science at #8 against #82.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Sol leads Claude Sonnet 4.5 in Coding › Web dev at #7 against #86.
- Which to pick, Long context: As of Oct 15, 2026, Claude Sonnet 4.5 leads GPT-6 Sol in Long context at #34 against #57.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Sonnet 4.5 leads GPT-6 Sol in Factuality at #61 against #88.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Sol leads Claude Sonnet 4.5 in Abstraction (ARC) at #6 against #66.

As of Oct 15, 2026, Claude Sonnet 4.5 is a former state-of-the-art holder in General LLM (since Oct 3, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, GPT-6 Sol is ranked #5 in Coding (since Oct 15, 2026; sources Terminal-Bench 4.0; methodology v1.0).