GPT-5.4 vs Mistral Medium 3.5
As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-5.4
It used to be. Was SOTA in General LLM.
Mistral Medium 3.5
#82 Best current rank: #82 in General LLM, as of Oct 14, 2026.
| Category | GPT-5.4 | Mistral Medium 3.5 |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in General LLM Margin 55.78231292517007 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #86 · #86 in Reasoning Margin 59.58904109589041 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 — Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Coding › Web dev Margin 91.58878504672897 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 | #93 · #93 in Long context Margin 63.265306122448976 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | #84 · #84 in Factuality Margin 63.43283582089552 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.
Mistral Medium 3.5: $3 per 1M blended tokens.
GPT-5.4: closed weights.
Mistral Medium 3.5: open weights.
General LLM: As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in General LLM at #28 against #82.
Reasoning: As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Reasoning at #29 against #86.
Coding › Web dev: As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Coding › Web dev at #55 against #99.
Long context: As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Long context at #34 against #93.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Factuality at #6 against #84.
GPT-5.4 or Mistral Medium 3.5?
As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-5.4 or Mistral Medium 3.5 for General LLM?
As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in General LLM at #28 against #82.
GPT-5.4 or Mistral Medium 3.5 for Reasoning?
As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Reasoning at #29 against #86.
GPT-5.4 or Mistral Medium 3.5 for Coding › Web dev?
As of Oct 14, 2026, GPT-5.4 leads Mistral Medium 3.5 in Coding › Web dev at #55 against #99.