Claude Fable 5 vs GPT-5 Mini
As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
| Category | Claude Fable 5 | GPT-5 Mini |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 2.040816326530617 LMArena leaderboard dataset · Oct 13, 2026 | #128 · #128 in General LLM Margin 87.07482993197279 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.7397260273972535 LMArena leaderboard dataset · Oct 13, 2026 | #130 · #130 in Reasoning Margin 89.72602739726028 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Math Margin 44.44444444444444 Epoch AI benchmarking hub · Aug 7, 2025 |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #81 · #81 in Science Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
| Coding | #6 · #6 in Coding Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
| Coding › Agentic | #6 · #6 in Coding › Agentic Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #17 · Was SOTA · Coding › Web dev Margin 14.953271028037378 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #3 · Near-SOTA · Long context Margin 2.040816326530603 LMArena leaderboard dataset · Oct 13, 2026 | #146 · #146 in Long context Margin 99.31972789115646 LMArena leaderboard dataset · Oct 13, 2026 |
| 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 5.97014925373135 LMArena leaderboard dataset · Oct 13, 2026 | #110 · #110 in Factuality Margin 82.83582089552239 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #41 · #41 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
Claude Fable 5: $20 per 1M blended tokens.
GPT-5 Mini: $0.6875 per 1M blended tokens.
Claude Fable 5: closed weights.
GPT-5 Mini: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in General LLM at #3 against #128.
Reasoning: As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Reasoning at #3 against #130.
Science: As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Science at #56 against #81.
Long context: As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Long context at #3 against #146.
Factuality: As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Factuality at #7 against #110.
Abstraction (ARC): As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Abstraction (ARC) at #1 against #41.
Claude Fable 5 or GPT-5 Mini?
As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
Claude Fable 5 or GPT-5 Mini for General LLM?
As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in General LLM at #3 against #128.
Claude Fable 5 or GPT-5 Mini for Reasoning?
As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Reasoning at #3 against #130.
Claude Fable 5 or GPT-5 Mini for Science?
As of Oct 14, 2026, Claude Fable 5 leads GPT-5 Mini in Science at #56 against #81.