Claude Opus 5.5 vs Gemini 3 Flash Preview
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in 3 of 3 shared categories: Science, Vision, and Abstraction (ARC).
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
Gemini 3 Flash Preview
#25 Best recorded rank: #25 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Gemini 3 Flash Preview |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2025 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #39 · #39 in Science Margin — Epoch AI benchmarking hub · Dec 17, 2025 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2025 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #31 · #31 in Vision Margin 94.73684210526315 Epoch AI benchmarking hub · Dec 17, 2025 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2025 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #25 · #25 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 17, 2025 |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Gemini 3 Flash Preview: $1.125 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Gemini 3 Flash Preview: closed weights.
Science: As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Science at #31 against #39.
Vision: As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Vision at #4 against #31.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Abstraction (ARC) at #1 against #25.
Claude Opus 5.5 · Gemini 3 Flash Preview
Claude Opus 5.5 or Gemini 3 Flash Preview?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in 3 of 3 shared categories: Science, Vision, and Abstraction (ARC).
Claude Opus 5.5 or Gemini 3 Flash Preview for Science?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Science at #31 against #39.
Claude Opus 5.5 or Gemini 3 Flash Preview for Vision?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Vision at #4 against #31.
Claude Opus 5.5 or Gemini 3 Flash Preview for Abstraction (ARC)?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Flash Preview in Abstraction (ARC) at #1 against #25.