Claude Opus 4.6 vs GPT-5.2
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in 6 of 7 shared categories: General LLM, Reasoning, Math, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
GPT-5.2
#14 Best current rank: #14 in Math, as of Oct 14, 2026.
| Category | Claude Opus 4.6 | GPT-5.2 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #74 · #74 in General LLM Margin 50.34013605442177 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #70 · #70 in Reasoning Margin 48.63013698630137 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #14 · #14 in Math Margin 28.888888888888886 Epoch AI benchmarking hub · Dec 11, 2025 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #26 · #26 in Science Margin — Epoch AI benchmarking hub · Dec 11, 2025 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 11, 2025 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #67 · #67 in Coding › Web dev Margin 61.6822429906542 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #80 · #80 in Long context Margin 54.42176870748299 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #65 · #65 in Factuality Margin 49.25373134328358 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #24 · #24 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 11, 2025 |
Claude Opus 4.6: $10 per 1M blended tokens.
GPT-5.2: $4.8125 per 1M blended tokens.
Claude Opus 4.6: closed weights.
GPT-5.2: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in General LLM at #4 against #74.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Reasoning at #2 against #70.
Math: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Math at #11 against #14.
Science: As of Oct 14, 2026, GPT-5.2 leads Claude Opus 4.6 in Science at #26 against #32.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Coding › Web dev at #35 against #67.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Long context at #2 against #80.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Factuality at #3 against #65.
Claude Opus 4.6 or GPT-5.2?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in 6 of 7 shared categories: General LLM, Reasoning, Math, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or GPT-5.2 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in General LLM at #4 against #74.
Claude Opus 4.6 or GPT-5.2 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Reasoning at #2 against #70.
Claude Opus 4.6 or GPT-5.2 for Math?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.2 in Math at #11 against #14.