Claude 3.5 Sonnet vs Gemini 3.8 Flash
As of Oct 14, 2026, Claude 3.5 Sonnet leads Gemini 3.8 Flash in 0 of 5 shared categories.
Claude 3.5 Sonnet
It used to be. Was SOTA in General LLM.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | Claude 3.5 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| General LLM | #140 · Was SOTA · General LLM Margin 95.23809523809524 LMArena leaderboard dataset · Oct 13, 2026 | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #136 · Was SOTA · Reasoning Margin 93.83561643835617 LMArena leaderboard dataset · Oct 13, 2026 | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #43 · #43 in Math Margin 95.55555555555556 Epoch AI benchmarking hub · Oct 22, 2024 | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 |
| Science | #119 · #119 in Science Margin — Epoch AI benchmarking hub · Oct 22, 2024 | #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 | — | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #126 · Was SOTA · Long context Margin 85.71428571428571 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | — | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 |
Claude 3.5 Sonnet: price per 1M tokens is unset in the catalog.
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Claude 3.5 Sonnet: closed weights.
Gemini 3.8 Flash: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in General LLM at #7 against #140.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Reasoning at #6 against #136.
Math: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Math at #5 against #43.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Science at #4 against #119.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Long context at #5 against #126.
Claude 3.5 Sonnet · Gemini 3.8 Flash
Claude 3.5 Sonnet or Gemini 3.8 Flash?
As of Oct 14, 2026, Claude 3.5 Sonnet leads Gemini 3.8 Flash in 0 of 5 shared categories.
Claude 3.5 Sonnet or Gemini 3.8 Flash for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in General LLM at #7 against #140.
Claude 3.5 Sonnet or Gemini 3.8 Flash for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Reasoning at #6 against #136.
Claude 3.5 Sonnet or Gemini 3.8 Flash for Math?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude 3.5 Sonnet in Math at #5 against #43.