Claude Opus 4.6 vs O4 Mini
As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in 5 of 5 shared categories: General LLM, Reasoning, Math, Science, and Factuality.
| Category | Claude Opus 4.6 | O4 Mini |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #162 · #162 in General LLM Margin 86.17021276595744 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #168 · #168 in Reasoning Margin 89.8936170212766 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #23 · Was SOTA · Math Margin 48.888888888888886 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #70 · #70 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Jul 7, 2025 |
| 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 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #160 · #160 in Factuality Margin 93.6046511627907 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #39 · #39 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Claude Opus 4.6: $10 per 1M blended tokens.
O4 Mini: $1.9250000000000003 per 1M blended tokens.
Claude Opus 4.6: closed weights.
O4 Mini: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in General LLM at #4 against #162.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Reasoning at #2 against #168.
Math: As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Math at #11 against #23.
Science: As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Science at #32 against #70.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Factuality at #3 against #160.
Claude Opus 4.6 or O4 Mini?
As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in 5 of 5 shared categories: General LLM, Reasoning, Math, Science, and Factuality.
Claude Opus 4.6 or O4 Mini for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in General LLM at #4 against #162.
Claude Opus 4.6 or O4 Mini for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Reasoning at #2 against #168.
Claude Opus 4.6 or O4 Mini for Math?
As of Oct 15, 2026, Claude Opus 4.6 leads O4 Mini in Math at #11 against #23.