Claude Opus 4.6 vs GPT-5 Mini
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Math, Science, Long context, and Factuality.
| Category | Claude Opus 4.6 | GPT-5 Mini |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #128 · #128 in General LLM Margin 87.07482993197279 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #130 · #130 in Reasoning Margin 89.72602739726028 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #21 · Was SOTA · Math Margin 44.44444444444444 Epoch AI benchmarking hub · Aug 7, 2025 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #81 · #81 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 | — |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #146 · #146 in Long context Margin 99.31972789115646 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 | #110 · #110 in Factuality Margin 82.83582089552239 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #41 · #41 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
Claude Opus 4.6: $10 per 1M blended tokens.
GPT-5 Mini: $0.6875 per 1M blended tokens.
Claude Opus 4.6: closed weights.
GPT-5 Mini: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in General LLM at #4 against #128.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Reasoning at #2 against #130.
Math: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Math at #11 against #21.
Science: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Science at #32 against #81.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Long context at #2 against #146.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Factuality at #3 against #110.
Claude Opus 4.6 or GPT-5 Mini?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Math, Science, Long context, and Factuality.
Claude Opus 4.6 or GPT-5 Mini for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in General LLM at #4 against #128.
Claude Opus 4.6 or GPT-5 Mini for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Reasoning at #2 against #130.
Claude Opus 4.6 or GPT-5 Mini for Math?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5 Mini in Math at #11 against #21.