Claude Sonnet 5.5 vs Gemini 3.5 Flash Lite
As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Vision, and Factuality.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Gemini 3.5 Flash Lite
#31 Best current rank: #31 in Vision, as of Oct 15, 2026.
| Category | Claude Sonnet 5.5 | Gemini 3.5 Flash Lite |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #50 · #50 in General LLM Margin 34.01360544217687 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #53 · #53 in Reasoning Margin 36.986301369863014 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 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 | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #53 · #53 in Long context Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | #31 · #31 in Vision Margin 94.73684210526315 Epoch AI benchmarking hub · Jul 21, 2026 |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | #53 · #53 in Factuality Margin 40.298507462686565 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #42 · #42 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 21, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Gemini 3.5 Flash Lite: $0.85 per 1M blended tokens.
Claude Sonnet 5.5: closed weights.
Gemini 3.5 Flash Lite: closed weights.
General LLM: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in General LLM at #27 against #50.
Reasoning: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Reasoning at #18 against #53.
Science: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Science at #3 against #64.
Long context: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Long context at #11 against #53.
Vision: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Vision at #1 against #31.
Factuality: As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Factuality at #16 against #53.
Claude Sonnet 5.5 · Gemini 3.5 Flash Lite
Claude Sonnet 5.5 or Gemini 3.5 Flash Lite?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Vision, and Factuality.
Claude Sonnet 5.5 or Gemini 3.5 Flash Lite for General LLM?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in General LLM at #27 against #50.
Claude Sonnet 5.5 or Gemini 3.5 Flash Lite for Reasoning?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Reasoning at #18 against #53.
Claude Sonnet 5.5 or Gemini 3.5 Flash Lite for Science?
As of Oct 15, 2026, Claude Sonnet 5.5 leads Gemini 3.5 Flash Lite in Science at #3 against #64.