Claude Sonnet 5.5 vs Gemini 3.7 Flash
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in 6 of 9 shared categories: Science, Coding, Coding › Agentic, Coding › Web dev, Long context, and Vision.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Gemini 3.7 Flash
Yes. Yes on Vision (best per dollar). Not the overall leader.
| Category | Claude Sonnet 5.5 | Gemini 3.7 Flash |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #14 · #14 in General LLM Margin 9.523809523809518 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #16 · #16 in Reasoning Margin 11.643835616438352 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 | #5 · #5 in Science Margin — Epoch AI benchmarking hub · Aug 13, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #20 · #20 in Coding Margin 100 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #20 · #20 in Coding › Agentic Margin 100 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Coding › Web dev Margin 22.429906542056074 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #14 · #14 in Long context Margin 9.523809523809518 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | #14 · #14 in Vision Margin 39.473684210526315 Epoch AI benchmarking hub · Aug 13, 2026 |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | #15 · Was SOTA · Factuality Margin 11.940298507462686 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #6 · #6 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 13, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Gemini 3.7 Flash: $1.5 per 1M blended tokens.
Claude Sonnet 5.5: closed weights.
Gemini 3.7 Flash: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.7 Flash leads Claude Sonnet 5.5 in General LLM at #14 against #27.
Reasoning: As of Oct 14, 2026, Gemini 3.7 Flash leads Claude Sonnet 5.5 in Reasoning at #16 against #18.
Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Science at #3 against #5.
Coding: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Coding at #1 against #20.
Coding › Agentic: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Coding › Agentic at #1 against #20.
Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Coding › Web dev at #3 against #25.
Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Long context at #11 against #14.
Vision: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Vision at #1 against #14.
Factuality: As of Oct 14, 2026, Gemini 3.7 Flash leads Claude Sonnet 5.5 in Factuality at #15 against #16.
Claude Sonnet 5.5 · Gemini 3.7 Flash
Claude Sonnet 5.5 or Gemini 3.7 Flash?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in 6 of 9 shared categories: Science, Coding, Coding › Agentic, Coding › Web dev, Long context, and Vision.
Claude Sonnet 5.5 or Gemini 3.7 Flash for General LLM?
As of Oct 14, 2026, Gemini 3.7 Flash leads Claude Sonnet 5.5 in General LLM at #14 against #27.
Claude Sonnet 5.5 or Gemini 3.7 Flash for Reasoning?
As of Oct 14, 2026, Gemini 3.7 Flash leads Claude Sonnet 5.5 in Reasoning at #16 against #18.
Claude Sonnet 5.5 or Gemini 3.7 Flash for Science?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3.7 Flash in Science at #3 against #5.