# Claude Opus 4.8 vs Gemini 2.5 Flash

As of Oct 14, 2026, Claude Opus 4.8 leads Gemini 2.5 Flash in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

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

Gemini 2.5 Flash: $0.85 per 1M blended tokens.

Claude Opus 4.8: closed weights.

Gemini 2.5 Flash: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Gemini 2.5 Flash in General LLM at #20 against #108.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Gemini 2.5 Flash in Reasoning at #10 against #114.
- Which to pick, Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Gemini 2.5 Flash in Long context at #10 against #104.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Gemini 2.5 Flash in Factuality at #21 against #72.

As of Oct 14, 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 14, 2026, Gemini 2.5 Flash is ranked #72 in Factuality (since Oct 14, 2026; sources LMArena Text factuality; methodology v1.0).