Claude Opus 4.7 vs Claude Opus 5.5
As of Oct 14, 2026, Claude Opus 4.7 leads Claude Opus 5.5 in 0 of 8 shared categories.
Claude Opus 4.7
Close. Near-SOTA in Reasoning, rank #4.
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.
| Category | Claude Opus 4.7 | Claude Opus 5.5 |
|---|---|---|
| General LLM | #5 · Near-SOTA · General LLM Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #4 · Near-SOTA · Reasoning Margin 3.4246575342465775 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #10 · #10 in Math Margin 20 Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #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 | #32 · Was SOTA · Coding › Web dev Margin 28.971962616822424 LMArena leaderboard dataset · Oct 13, 2026 | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #4 · Near-SOTA · Long context Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #20 · Was SOTA · Vision Margin 55.26315789473684 Epoch AI benchmarking hub · Apr 16, 2026 | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 |
| Factuality | #12 · #12 in Factuality Margin 9.701492537313428 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #11 · #11 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
Claude Opus 4.7: $10 per 1M blended tokens.
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Claude Opus 4.7: closed weights.
Claude Opus 5.5: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in General LLM at #2 against #5.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Reasoning at #1 against #4.
Science: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Science at #31 against #34.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Coding › Web dev at #1 against #32.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Long context at #1 against #4.
Vision: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Vision at #4 against #20.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Factuality at #1 against #12.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Abstraction (ARC) at #1 against #11.
Claude Opus 4.7 · Claude Opus 5.5
Claude Opus 4.7 or Claude Opus 5.5?
As of Oct 14, 2026, Claude Opus 4.7 leads Claude Opus 5.5 in 0 of 8 shared categories.
Claude Opus 4.7 or Claude Opus 5.5 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in General LLM at #2 against #5.
Claude Opus 4.7 or Claude Opus 5.5 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Reasoning at #1 against #4.
Claude Opus 4.7 or Claude Opus 5.5 for Science?
As of Oct 14, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Science at #31 against #34.