Claude Opus 4.1 vs Gemini 3.8 Flash
As of Oct 14, 2026, Claude Opus 4.1 leads Gemini 3.8 Flash in 0 of 7 shared categories.
Claude Opus 4.1
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 Opus 4.1 | Gemini 3.8 Flash |
|---|---|---|
| General LLM | #57 · Was SOTA · General LLM Margin 38.775510204081634 LMArena leaderboard dataset · Oct 13, 2026 | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #47 · Was SOTA · Reasoning Margin 32.87671232876713 LMArena leaderboard dataset · Oct 13, 2026 | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #27 · #27 in Math Margin 57.77777777777778 Epoch AI benchmarking hub · Aug 5, 2025 | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 |
| Science | #83 · #83 in Science Margin — Epoch AI benchmarking hub · Aug 5, 2025 | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 5, 2025 | #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 | #76 · Was SOTA · Coding › Web dev Margin 70.09345794392523 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #44 · Was SOTA · Long context Margin 29.931972789115648 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #74 · #74 in Factuality Margin 55.97014925373134 LMArena leaderboard dataset · Oct 13, 2026 | #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 Opus 4.1: $29.999999999999996 per 1M blended tokens.
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Claude Opus 4.1: closed weights.
Gemini 3.8 Flash: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in General LLM at #7 against #57.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Reasoning at #6 against #47.
Math: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Math at #5 against #27.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Science at #4 against #83.
Coding › Web dev: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Coding › Web dev at #27 against #76.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Long context at #5 against #44.
Factuality: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Factuality at #17 against #74.
Claude Opus 4.1 · Gemini 3.8 Flash
Claude Opus 4.1 or Gemini 3.8 Flash?
As of Oct 14, 2026, Claude Opus 4.1 leads Gemini 3.8 Flash in 0 of 7 shared categories.
Claude Opus 4.1 or Gemini 3.8 Flash for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in General LLM at #7 against #57.
Claude Opus 4.1 or Gemini 3.8 Flash for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Reasoning at #6 against #47.
Claude Opus 4.1 or Gemini 3.8 Flash for Math?
As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Opus 4.1 in Math at #5 against #27.