Gemini 3.8 Flash vs Grok 4.3
As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Vision, and Factuality.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
Grok 4.3
#32 Best current rank: #32 in Vision, as of Oct 14, 2026.
| Category | Gemini 3.8 Flash | Grok 4.3 |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #67 · #67 in General LLM Margin 45.57823129251701 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #75 · #75 in Reasoning Margin 52.054794520547944 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 | #41 · #41 in Science Margin — Epoch AI benchmarking hub · Apr 17, 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 | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 | #85 · #85 in Coding › Web dev Margin 78.50467289719626 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #77 · #77 in Long context Margin 52.38095238095237 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | #32 · #32 in Vision Margin 97.36842105263158 Epoch AI benchmarking hub · Apr 17, 2026 |
| Factuality | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 | #87 · #87 in Factuality Margin 65.67164179104478 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.
Grok 4.3: $1.5625000000000002 per 1M blended tokens.
Gemini 3.8 Flash: closed weights.
Grok 4.3: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in General LLM at #7 against #67.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Reasoning at #6 against #75.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Science at #4 against #41.
Coding › Web dev: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Coding › Web dev at #27 against #85.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Long context at #5 against #77.
Vision: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Vision at #15 against #32.
Factuality: As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Factuality at #17 against #87.
Gemini 3.8 Flash or Grok 4.3?
As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Vision, and Factuality.
Gemini 3.8 Flash or Grok 4.3 for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in General LLM at #7 against #67.
Gemini 3.8 Flash or Grok 4.3 for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Reasoning at #6 against #75.
Gemini 3.8 Flash or Grok 4.3 for Science?
As of Oct 14, 2026, Gemini 3.8 Flash leads Grok 4.3 in Science at #4 against #41.