# Kimi K2 6 vs O3 Mini

As of Oct 14, 2026, Kimi K2 6 leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.

Kimi K2 6: $1.3399999999999999 per 1M blended tokens.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Kimi K2 6: open weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, O3 Mini leads Kimi K2 6 in General LLM at #7 against #40.
- Which to pick, Reasoning: As of Oct 14, 2026, Kimi K2 6 leads O3 Mini in Reasoning at #38 against #133.
- Which to pick, Science: As of Oct 14, 2026, Kimi K2 6 leads O3 Mini in Science at #29 against #76.
- Which to pick, Long context: As of Oct 14, 2026, Kimi K2 6 leads O3 Mini in Long context at #37 against #145.

As of Oct 14, 2026, Kimi K2 6 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, O3 Mini is a former state-of-the-art holder in Reasoning (since Feb 9, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).