# Claude Opus 4.8 vs Kimi K2 5 Thinking

As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

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

Kimi K2 5 Thinking: price per 1M tokens is unset in the catalog.

Claude Opus 4.8: closed weights.

Kimi K2 5 Thinking: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in General LLM at #20 against #56.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in Reasoning at #10 against #58.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in Coding › Web dev at #33 against #61.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in Long context at #10 against #57.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.8 leads Kimi K2 5 Thinking in Factuality at #21 against #58.

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, Kimi K2 5 Thinking is a former state-of-the-art holder in Coding › Web dev (since Mar 4, 2026; sources LMArena WebDev; methodology v1.0).