Claude Opus 5.5 vs Gemini 3.5 Flash Lite
As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in 7 of 7 shared categories: General LLM, Reasoning, Science, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Opus 5.5
Yes. SOTA in Reasoning (tied), Coding (tied), Coding › Agentic (tied), Coding › Web dev, Long context (tied), and Factuality (tied).
Gemini 3.5 Flash Lite
#31 Best current rank: #31 in Vision, as of Oct 15, 2026.
| Category | Claude Opus 5.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.0638297872340416 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in General LLM Margin 33.51063829787235 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #67 · #67 in Reasoning Margin 36.170212765957444 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 | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #64 · #64 in Science Margin — Epoch AI benchmarking hub · Jul 21, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| 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 | #65 · #65 in Long context Margin 34.57446808510639 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 · Jul 21, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #64 · #64 in Factuality Margin 37.7906976744186 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #42 · #42 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 21, 2026 |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Gemini 3.5 Flash Lite: $0.85 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Gemini 3.5 Flash Lite: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in General LLM at #2 against #63.
Reasoning: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Reasoning at #1 against #67.
Science: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Science at #31 against #64.
Long context: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Long context at #1 against #65.
Vision: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Vision at #4 against #31.
Factuality: As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Factuality at #1 against #64.
Abstraction (ARC): As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Abstraction (ARC) at #1 against #42.
Claude Opus 5.5 · Gemini 3.5 Flash Lite
Claude Opus 5.5 or Gemini 3.5 Flash Lite?
As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in 7 of 7 shared categories: General LLM, Reasoning, Science, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Opus 5.5 or Gemini 3.5 Flash Lite for General LLM?
As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in General LLM at #2 against #63.
Claude Opus 5.5 or Gemini 3.5 Flash Lite for Reasoning?
As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Reasoning at #1 against #67.
Claude Opus 5.5 or Gemini 3.5 Flash Lite for Science?
As of Oct 15, 2026, Claude Opus 5.5 leads Gemini 3.5 Flash Lite in Science at #31 against #64.