Claude Opus 5.5 vs Gemini 2.5 Flash Lite Preview 06.17 Thinking
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in 2 of 2 shared categories: General LLM and Long context.
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 2.5 Flash Lite Preview 06.17 Thinking
#139 Best current rank: #139 in General LLM, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Gemini 2.5 Flash Lite Preview 06.17 Thinking |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #139 · #139 in General LLM Margin 94.5578231292517 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 8, 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 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 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 | #140 · #140 in Long context Margin 95.23809523809524 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Gemini 2.5 Flash Lite Preview 06.17 Thinking: price per 1M tokens is unset in the catalog.
Claude Opus 5.5: closed weights.
Gemini 2.5 Flash Lite Preview 06.17 Thinking: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in General LLM at #2 against #139.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in Long context at #1 against #140.
Claude Opus 5.5 · Gemini 2.5 Flash Lite Preview 06.17 Thinking
Claude Opus 5.5 or Gemini 2.5 Flash Lite Preview 06.17 Thinking?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in 2 of 2 shared categories: General LLM and Long context.
Claude Opus 5.5 or Gemini 2.5 Flash Lite Preview 06.17 Thinking for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in General LLM at #2 against #139.
Claude Opus 5.5 or Gemini 2.5 Flash Lite Preview 06.17 Thinking for Long context?
As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 2.5 Flash Lite Preview 06.17 Thinking in Long context at #1 against #140.