# Claude Opus 4.8 vs GPT-5 Mini

As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).

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

GPT-5 Mini: $0.6875 per 1M blended tokens.

Claude Opus 4.8: closed weights.

GPT-5 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in General LLM at #20 against #128.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in Reasoning at #10 against #130.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in Science at #27 against #81.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in Long context at #10 against #146.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in Factuality at #21 against #110.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Opus 4.8 leads GPT-5 Mini in Abstraction (ARC) at #12 against #41.

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 Mini is a former state-of-the-art holder in Math (since Sep 29, 2025; sources Humanity's Last Exam; methodology v1.0).