Claude Opus 4.7 vs GPT-5.5 Instant
As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Claude Opus 4.7
Close. Near-SOTA in Reasoning, rank #4.
GPT-5.5 Instant
#31 Best current rank: #31 in General LLM, as of Oct 14, 2026.
| Category | Claude Opus 4.7 | GPT-5.5 Instant |
|---|---|---|
| General LLM | #5 · Near-SOTA · General LLM Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #31 · #31 in General LLM Margin 21.088435374149654 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #4 · Near-SOTA · Reasoning Margin 3.4246575342465775 LMArena leaderboard dataset · Oct 13, 2026 | #33 · #33 in Reasoning Margin 23.28767123287672 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 | #65 · #65 in Science Margin — Epoch AI benchmarking hub · May 5, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #32 · Was SOTA · Coding › Web dev Margin 28.971962616822424 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #4 · Near-SOTA · Long context Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #39 · #39 in Long context Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #20 · Was SOTA · Vision Margin 55.26315789473684 Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #12 · #12 in Factuality Margin 9.701492537313428 LMArena leaderboard dataset · Oct 13, 2026 | #64 · #64 in Factuality Margin 48.507462686567166 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #11 · #11 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2026 | — |
Claude Opus 4.7: $10 per 1M blended tokens.
GPT-5.5 Instant: price per 1M tokens is unset in the catalog.
Claude Opus 4.7: closed weights.
GPT-5.5 Instant: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in General LLM at #5 against #31.
Reasoning: As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Reasoning at #4 against #33.
Science: As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Science at #34 against #65.
Long context: As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Long context at #4 against #39.
Factuality: As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Factuality at #12 against #64.
Claude Opus 4.7 · GPT-5.5 Instant
Claude Opus 4.7 or GPT-5.5 Instant?
As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Claude Opus 4.7 or GPT-5.5 Instant for General LLM?
As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in General LLM at #5 against #31.
Claude Opus 4.7 or GPT-5.5 Instant for Reasoning?
As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Reasoning at #4 against #33.
Claude Opus 4.7 or GPT-5.5 Instant for Science?
As of Oct 14, 2026, Claude Opus 4.7 leads GPT-5.5 Instant in Science at #34 against #65.