Claude Fable 5 vs O4 Mini
As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in 5 of 5 shared categories: General LLM, Reasoning, Science, Factuality, and Abstraction (ARC).
| Category | Claude Fable 5 | O4 Mini |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #162 · #162 in General LLM Margin 86.17021276595744 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #168 · #168 in Reasoning Margin 89.8936170212766 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Math Margin 48.888888888888886 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #70 · #70 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #6 · #6 in Coding Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #6 · #6 in Coding › Agentic Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #19 · Was SOTA · Coding › Web dev Margin 14.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #3 · Near-SOTA · Long context Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Jul 7, 2025 |
| Vision | #5 · Was SOTA · Vision Margin 15.78947368421052 Epoch AI benchmarking hub · Jun 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #7 · Was SOTA · Factuality Margin 4.6511627906976685 LMArena leaderboard dataset · Oct 13, 2026 | #160 · #160 in Factuality Margin 93.6046511627907 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #39 · #39 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Claude Fable 5: $20 per 1M blended tokens.
O4 Mini: $1.9250000000000003 per 1M blended tokens.
Claude Fable 5: closed weights.
O4 Mini: closed weights.
General LLM: As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in General LLM at #3 against #162.
Reasoning: As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Reasoning at #3 against #168.
Science: As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Science at #56 against #70.
Factuality: As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Factuality at #7 against #160.
Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Abstraction (ARC) at #1 against #39.
Claude Fable 5 or O4 Mini?
As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in 5 of 5 shared categories: General LLM, Reasoning, Science, Factuality, and Abstraction (ARC).
Claude Fable 5 or O4 Mini for General LLM?
As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in General LLM at #3 against #162.
Claude Fable 5 or O4 Mini for Reasoning?
As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Reasoning at #3 against #168.
Claude Fable 5 or O4 Mini for Science?
As of Oct 15, 2026, Claude Fable 5 leads O4 Mini in Science at #56 against #70.