Gemini 3.5 Flash vs Gemini 3.8 Flash
As of Oct 15, 2026, Gemini 3.5 Flash leads Gemini 3.8 Flash in 1 of 8 shared categories: Factuality.
Gemini 3.5 Flash
#12 Best recorded rank: #12 in Abstraction (ARC), as of Oct 15, 2026.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | Gemini 3.5 Flash | Gemini 3.8 Flash |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 | #7 · Near-SOTA · General LLM Margin 3.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #35 · #35 in Reasoning Margin 19.148936170212764 LMArena leaderboard dataset · Oct 13, 2026 | #6 · Near-SOTA · Reasoning Margin 3.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 |
| Science | #18 · #18 in Science Margin — Epoch AI benchmarking hub · May 19, 2026 | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #15 · #15 in Coding › Agentic Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #52 · #52 in Coding › Web dev Margin 40.8 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Coding › Web dev Margin 22.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #33 · #33 in Long context Margin 17.55319148936171 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Near-SOTA · Long context Margin 2.659574468085111 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · May 19, 2026 | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #14 · #14 in Factuality Margin 8.720930232558146 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 11.6279069767442 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 19, 2026 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 |
Gemini 3.5 Flash: $3.375 per 1M blended tokens.
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Gemini 3.5 Flash: closed weights.
Gemini 3.8 Flash: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in General LLM at #7 against #25.
Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Reasoning at #6 against #35.
Science: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Science at #4 against #18.
Coding › Web dev: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Coding › Web dev at #29 against #52.
Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Long context at #5 against #33.
Vision: As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Vision at #15 against #29.
Factuality: As of Oct 15, 2026, Gemini 3.5 Flash leads Gemini 3.8 Flash in Factuality at #14 against #19.
Abstraction (ARC): As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Abstraction (ARC) at #1 against #12.
Gemini 3.5 Flash · Gemini 3.8 Flash
Gemini 3.5 Flash or Gemini 3.8 Flash?
As of Oct 15, 2026, Gemini 3.5 Flash leads Gemini 3.8 Flash in 1 of 8 shared categories: Factuality.
Gemini 3.5 Flash or Gemini 3.8 Flash for General LLM?
As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in General LLM at #7 against #25.
Gemini 3.5 Flash or Gemini 3.8 Flash for Reasoning?
As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Reasoning at #6 against #35.
Gemini 3.5 Flash or Gemini 3.8 Flash for Science?
As of Oct 15, 2026, Gemini 3.8 Flash leads Gemini 3.5 Flash in Science at #4 against #18.