Kimi K3 vs Mistral Medium 2505
As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in 4 of 4 shared categories: General LLM, Reasoning, Science, and Long context.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
Mistral Medium 2505
#41 Best current rank: #41 in Math, as of Oct 14, 2026.
| Category | Kimi K3 | Mistral Medium 2505 |
|---|---|---|
| General LLM | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 | #131 · #131 in General LLM Margin 89.1156462585034 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 | #134 · #134 in Reasoning Margin 92.46575342465754 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Math Margin 91.11111111111111 Epoch AI benchmarking hub · May 7, 2025 |
| Science | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #110 · #110 in Science Margin — Epoch AI benchmarking hub · May 7, 2025 |
| Coding | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 | #129 · #129 in Long context Margin 87.75510204081633 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 | — |
Kimi K3: $4.125 per 1M blended tokens.
Mistral Medium 2505: price per 1M tokens is unset in the catalog.
Kimi K3: open weights.
Mistral Medium 2505: closed weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in General LLM at #13 against #131.
Reasoning: As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in Reasoning at #7 against #134.
Science: As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in Science at #17 against #110.
Long context: As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in Long context at #8 against #129.
Kimi K3 or Mistral Medium 2505?
As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in 4 of 4 shared categories: General LLM, Reasoning, Science, and Long context.
Kimi K3 or Mistral Medium 2505 for General LLM?
As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in General LLM at #13 against #131.
Kimi K3 or Mistral Medium 2505 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in Reasoning at #7 against #134.
Kimi K3 or Mistral Medium 2505 for Science?
As of Oct 14, 2026, Kimi K3 leads Mistral Medium 2505 in Science at #17 against #110.