Gemini 3.8 Flash vs Kimi K2 5 Thinking
As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
Kimi K2 5 Thinking
It used to be. Was SOTA in Coding › Web dev.
| Category | Gemini 3.8 Flash | Kimi K2 5 Thinking |
|---|---|---|
| General LLM | #7 · Near-SOTA · General LLM Margin 3.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 | #70 · #70 in General LLM Margin 37.234042553191486 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · Near-SOTA · Reasoning Margin 3.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 | #73 · #73 in Reasoning Margin 39.361702127659576 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #15 · #15 in Coding › Agentic Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #29 · #29 in Coding › Web dev Margin 22.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | #67 · #67 in Coding › Web dev Margin 52.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 2.659574468085111 LMArena leaderboard dataset · Oct 13, 2026 | #69 · #69 in Long context Margin 36.70212765957446 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #19 · #19 in Factuality Margin 11.6279069767442 LMArena leaderboard dataset · Oct 13, 2026 | #71 · #71 in Factuality Margin 41.86046511627907 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | — |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Kimi K2 5 Thinking: price per 1M tokens is unset in the catalog.
Gemini 3.8 Flash: closed weights.
Kimi K2 5 Thinking: open weights.
General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in General LLM at #7 against #70.
Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Reasoning at #6 against #73.
Coding › Web dev: As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Coding › Web dev at #29 against #67.
Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Long context at #5 against #69.
Factuality: As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Factuality at #19 against #71.
Gemini 3.8 Flash · Kimi K2 5 Thinking
Gemini 3.8 Flash or Kimi K2 5 Thinking?
As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Gemini 3.8 Flash or Kimi K2 5 Thinking for General LLM?
As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in General LLM at #7 against #70.
Gemini 3.8 Flash or Kimi K2 5 Thinking for Reasoning?
As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Reasoning at #6 against #73.
Gemini 3.8 Flash or Kimi K2 5 Thinking for Coding › Web dev?
As of Oct 15, 2026, Gemini 3.8 Flash leads Kimi K2 5 Thinking in Coding › Web dev at #29 against #67.