# GPT-5.4 vs Kimi K2 Thinking Turbo

As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

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

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

GPT-5.4: closed weights.

Kimi K2 Thinking Turbo: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in General LLM at #30 against #105.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Reasoning at #32 against #99.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Science at #16 against #60.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Coding › Web dev at #60 against #105.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Long context at #40 against #112.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Factuality at #6 against #115.

As of Oct 15, 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 15, 2026, Kimi K2 Thinking Turbo is a former state-of-the-art holder in Coding › Web dev (since Nov 17, 2025; sources LMArena WebDev; methodology v1.0).