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
It used to be. Was SOTA in General LLM.
Kimi K2 Thinking Turbo
It used to be. Was SOTA in Coding › Web dev.
| Category | GPT-5.4 | Kimi K2 Thinking Turbo |
|---|---|---|
| General LLM | #30 · Was SOTA · General LLM Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in General LLM Margin 55.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #32 · #32 in Reasoning Margin 17.55319148936171 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Reasoning Margin 53.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #60 · #60 in Science Margin — Epoch AI benchmarking hub · Nov 6, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #60 · #60 in Coding › Web dev Margin 47.2 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Coding › Web dev Margin 83.2 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #40 · #40 in Long context Margin 21.276595744680847 LMArena leaderboard dataset · Oct 13, 2026 | #112 · #112 in Long context Margin 59.57446808510638 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #6 · Was SOTA · Factuality Margin 4.0697674418604635 LMArena leaderboard dataset · Oct 13, 2026 | #115 · #115 in Factuality Margin 67.44186046511628 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
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.
General LLM: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in General LLM at #30 against #105.
Reasoning: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Reasoning at #32 against #99.
Science: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Science at #16 against #60.
Coding › Web dev: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Coding › Web dev at #60 against #105.
Long context: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Long context at #40 against #112.
Factuality: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Factuality at #6 against #115.
GPT-5.4 · Kimi K2 Thinking Turbo
GPT-5.4 or 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 or Kimi K2 Thinking Turbo for General LLM?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in General LLM at #30 against #105.
GPT-5.4 or Kimi K2 Thinking Turbo for Reasoning?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Reasoning at #32 against #99.
GPT-5.4 or Kimi K2 Thinking Turbo for Science?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 Thinking Turbo in Science at #16 against #60.