# Kimi K2 0711 Preview vs O3 Mini

As of Oct 15, 2026, Kimi K2 0711 Preview leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

Kimi K2 0711 Preview: price per 1M tokens is unset in the catalog.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Kimi K2 0711 Preview: open weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, O3 Mini leads Kimi K2 0711 Preview in General LLM at #10 against #123.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K2 0711 Preview leads O3 Mini in Reasoning at #131 against #172.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K2 0711 Preview leads O3 Mini in Long context at #164 against #186.

As of Oct 15, 2026, Kimi K2 0711 Preview is a former state-of-the-art holder in General LLM (since Aug 28, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 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).