Claude Opus 4.8 vs Gemini 3.6 Flash
As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in 5 of 8 shared categories: Reasoning, Coding › Web dev, Long context, Vision, and Abstraction (ARC).
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Gemini 3.6 Flash
#9 Best recorded rank: #9 in Science, as of Oct 15, 2026.
| Category | Claude Opus 4.8 | Gemini 3.6 Flash |
|---|---|---|
| General LLM | #21 · #21 in General LLM Margin 11.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in General LLM Margin 10.106382978723403 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Reasoning Margin 13.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #9 · #9 in Science Margin — Epoch AI benchmarking hub · Jul 21, 2026 |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 27.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Coding › Web dev Margin 32 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 5.319148936170208 LMArena leaderboard dataset · Oct 13, 2026 | #30 · #30 in Long context Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 21, 2026 |
| Factuality | #24 · #24 in Factuality Margin 14.534883720930239 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 13.95348837209302 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | #13 · #13 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 21, 2026 |
Claude Opus 4.8: $10 per 1M blended tokens.
Gemini 3.6 Flash: $1.5 per 1M blended tokens.
Claude Opus 4.8: closed weights.
Gemini 3.6 Flash: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3.6 Flash leads Claude Opus 4.8 in General LLM at #19 against #21.
Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Reasoning at #10 against #25.
Science: As of Oct 15, 2026, Gemini 3.6 Flash leads Claude Opus 4.8 in Science at #9 against #27.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Coding › Web dev at #35 against #41.
Long context: As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Long context at #10 against #30.
Vision: As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Vision at #13 against #29.
Factuality: As of Oct 15, 2026, Gemini 3.6 Flash leads Claude Opus 4.8 in Factuality at #23 against #24.
Abstraction (ARC): As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Abstraction (ARC) at #12 against #13.
Claude Opus 4.8 · Gemini 3.6 Flash
Claude Opus 4.8 or Gemini 3.6 Flash?
As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in 5 of 8 shared categories: Reasoning, Coding › Web dev, Long context, Vision, and Abstraction (ARC).
Claude Opus 4.8 or Gemini 3.6 Flash for General LLM?
As of Oct 15, 2026, Gemini 3.6 Flash leads Claude Opus 4.8 in General LLM at #19 against #21.
Claude Opus 4.8 or Gemini 3.6 Flash for Reasoning?
As of Oct 15, 2026, Claude Opus 4.8 leads Gemini 3.6 Flash in Reasoning at #10 against #25.
Claude Opus 4.8 or Gemini 3.6 Flash for Science?
As of Oct 15, 2026, Gemini 3.6 Flash leads Claude Opus 4.8 in Science at #9 against #27.