Kimi K2 5 Instant vs Kimi K3
As of Oct 15, 2026, Kimi K2 5 Instant leads Kimi K3 in 0 of 5 shared categories.
Kimi K2 5 Instant
#77 Best current rank: #77 in Coding › Web dev, as of Oct 15, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Kimi K2 5 Instant | Kimi K3 |
|---|---|---|
| General LLM | #103 · #103 in General LLM Margin 54.787234042553195 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #89 · #89 in Reasoning Margin 47.87234042553192 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | #77 · #77 in Coding › Web dev Margin 60.8 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · Coding › Web dev Margin 8.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #95 · #95 in Long context Margin 50.53191489361702 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #107 · #107 in Factuality Margin 62.7906976744186 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Factuality Margin 13.372093023255815 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Kimi K2 5 Instant: price per 1M tokens is unset in the catalog.
Kimi K3: $4.109999999999999 per 1M blended tokens.
Kimi K2 5 Instant: open weights.
Kimi K3: open weights.
General LLM: As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in General LLM at #13 against #103.
Reasoning: As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Reasoning at #7 against #89.
Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Coding › Web dev at #12 against #77.
Long context: As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Long context at #8 against #95.
Factuality: As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Factuality at #22 against #107.
Kimi K2 5 Instant or Kimi K3?
As of Oct 15, 2026, Kimi K2 5 Instant leads Kimi K3 in 0 of 5 shared categories.
Kimi K2 5 Instant or Kimi K3 for General LLM?
As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in General LLM at #13 against #103.
Kimi K2 5 Instant or Kimi K3 for Reasoning?
As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Reasoning at #7 against #89.
Kimi K2 5 Instant or Kimi K3 for Coding › Web dev?
As of Oct 15, 2026, Kimi K3 leads Kimi K2 5 Instant in Coding › Web dev at #12 against #77.