# GPT-5.4 vs Kimi K2 6

As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in 5 of 6 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.

GPT-5.4: $5.625 per 1M blended tokens.

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

GPT-5.4: closed weights.

Kimi K2 6: open weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in General LLM at #28 against #40.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Reasoning at #29 against #38.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Science at #16 against #29.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Kimi K2 6 leads GPT-5.4 in Coding › Web dev at #45 against #55.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Long context at #34 against #37.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Factuality at #6 against #40.

As of Oct 14, 2026, GPT-5.4 is a former state-of-the-art holder in General LLM (since Apr 10, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

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).