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
It used to be. Was SOTA in General LLM.
Kimi K2 6
It used to be. Was SOTA in Coding › Web dev.
| Category | GPT-5.4 | Kimi K2 6 |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #40 · #40 in General LLM Margin 27.21088435374149 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Reasoning Margin 26.71232876712328 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 | #29 · #29 in Science Margin — Epoch AI benchmarking hub · Apr 20, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 20, 2026 |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | #45 · #45 in Coding › Web dev Margin 41.12149532710281 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in Long context Margin 25.17006802721089 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #30 · #30 in Vision Margin 89.47368421052632 Epoch AI benchmarking hub · Apr 20, 2026 |
| Factuality | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | #40 · #40 in Factuality Margin 30.59701492537313 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 6: $1.3399999999999999 per 1M blended tokens.
GPT-5.4: closed weights.
Kimi K2 6: open weights.
General LLM: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in General LLM at #28 against #40.
Reasoning: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Reasoning at #29 against #38.
Science: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Science at #16 against #29.
Coding › Web dev: As of Oct 14, 2026, Kimi K2 6 leads GPT-5.4 in Coding › Web dev at #45 against #55.
Long context: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Long context at #34 against #37.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Factuality at #6 against #40.
GPT-5.4 or 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 or Kimi K2 6 for General LLM?
As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in General LLM at #28 against #40.
GPT-5.4 or Kimi K2 6 for Reasoning?
As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Reasoning at #29 against #38.
GPT-5.4 or Kimi K2 6 for Science?
As of Oct 14, 2026, GPT-5.4 leads Kimi K2 6 in Science at #16 against #29.