GPT-5.4 vs Kimi K2 0905 Preview
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.4
It used to be. Was SOTA in General LLM.
Kimi K2 0905 Preview
#120 Best current rank: #120 in General LLM, as of Oct 15, 2026.
| Category | GPT-5.4 | Kimi K2 0905 Preview |
|---|---|---|
| General LLM | #30 · Was SOTA · General LLM Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 | #120 · #120 in General LLM Margin 63.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #32 · #32 in Reasoning Margin 17.55319148936171 LMArena leaderboard dataset · Oct 13, 2026 | #122 · #122 in Reasoning Margin 65.42553191489361 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 | — |
| 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 | — |
| Long context | #40 · #40 in Long context Margin 21.276595744680847 LMArena leaderboard dataset · Oct 13, 2026 | #151 · #151 in Long context Margin 80.31914893617021 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 | #140 · #140 in Factuality Margin 81.97674418604652 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 0905 Preview: price per 1M tokens is unset in the catalog.
GPT-5.4: closed weights.
Kimi K2 0905 Preview: open weights.
General LLM: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in General LLM at #30 against #120.
Reasoning: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in Reasoning at #32 against #122.
Long context: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in Long context at #40 against #151.
Factuality: As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in Factuality at #6 against #140.
GPT-5.4 · Kimi K2 0905 Preview
GPT-5.4 or Kimi K2 0905 Preview?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.4 or Kimi K2 0905 Preview for General LLM?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in General LLM at #30 against #120.
GPT-5.4 or Kimi K2 0905 Preview for Reasoning?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in Reasoning at #32 against #122.
GPT-5.4 or Kimi K2 0905 Preview for Long context?
As of Oct 15, 2026, GPT-5.4 leads Kimi K2 0905 Preview in Long context at #40 against #151.