Claude Sonnet 4.6 vs Gemini 3.8 Flash
As of Oct 15, 2026, Claude Sonnet 4.6 leads Gemini 3.8 Flash in 0 of 8 shared categories.
Claude Sonnet 4.6
It used to be. Was SOTA in Long context.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | Claude Sonnet 4.6 | Gemini 3.8 Flash |
|---|---|---|
| General LLM | #38 · #38 in General LLM Margin 20.212765957446805 LMArena leaderboard dataset · Oct 13, 2026 | #7 · Near-SOTA · General LLM Margin 3.723404255319153 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #20 · #20 in Reasoning Margin 11.170212765957444 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 | #50 · #50 in Science Margin — Epoch AI benchmarking hub · Feb 17, 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 | #43 · #43 in Coding › Web dev Margin 33.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Coding › Web dev Margin 22.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #21 · Was SOTA · Long context Margin 11.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Near-SOTA · Long context Margin 2.659574468085111 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #23 · Was SOTA · Vision Margin 63.1578947368421 Epoch AI benchmarking hub · Feb 17, 2026 | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #38 · #38 in Factuality Margin 22.674418604651166 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 11.6279069767442 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #23 · #23 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 17, 2026 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 |
Claude Sonnet 4.6: $6 per 1M blended tokens.
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Claude Sonnet 4.6: closed weights.
Gemini 3.8 Flash: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in General LLM at #7 against #38.
Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Reasoning at #6 against #20.
Science: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Science at #4 against #50.
Coding › Web dev: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Coding › Web dev at #29 against #43.
Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Long context at #5 against #21.
Vision: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Vision at #15 against #23.
Factuality: As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Factuality at #19 against #38.
Abstraction (ARC): As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Abstraction (ARC) at #1 against #23.
Claude Sonnet 4.6 · Gemini 3.8 Flash
Claude Sonnet 4.6 or Gemini 3.8 Flash?
As of Oct 15, 2026, Claude Sonnet 4.6 leads Gemini 3.8 Flash in 0 of 8 shared categories.
Claude Sonnet 4.6 or Gemini 3.8 Flash for General LLM?
As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in General LLM at #7 against #38.
Claude Sonnet 4.6 or Gemini 3.8 Flash for Reasoning?
As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Reasoning at #6 against #20.
Claude Sonnet 4.6 or Gemini 3.8 Flash for Science?
As of Oct 15, 2026, Gemini 3.8 Flash leads Claude Sonnet 4.6 in Science at #4 against #50.