Claude Opus 4.6 vs GPT-5
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
GPT-5
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.6 | GPT-5 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #76 · Was SOTA · General LLM Margin 51.70068027210884 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · Reasoning Margin 54.10958904109589 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #15 · Was SOTA · Math Margin 31.111111111111114 Epoch AI benchmarking hub · Aug 7, 2025 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #54 · #54 in Science Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #66 · #66 in Coding › Web dev Margin 60.74766355140187 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #107 · Was SOTA · Long context Margin 72.78911564625851 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 | #93 · #93 in Factuality Margin 70.14925373134328 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #34 · #34 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
Claude Opus 4.6: $10 per 1M blended tokens.
GPT-5: $3.4375000000000004 per 1M blended tokens.
Claude Opus 4.6: closed weights.
GPT-5: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in General LLM at #4 against #76.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Reasoning at #2 against #78.
Math: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Math at #11 against #15.
Science: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Science at #32 against #54.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Coding › Web dev at #35 against #66.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Long context at #2 against #107.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Factuality at #3 against #93.
Claude Opus 4.6 or GPT-5?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or GPT-5 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in General LLM at #4 against #76.
Claude Opus 4.6 or GPT-5 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Reasoning at #2 against #78.
Claude Opus 4.6 or GPT-5 for Math?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 in Math at #11 against #15.