Claude Fable 5.1 vs GPT-5.6 Sol
As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in 7 of 9 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
GPT-5.6 Sol
Close. Near-SOTA in Vision, rank #3.
| Category | Claude Fable 5.1 | GPT-5.6 Sol |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #17 · #17 in General LLM Margin 11.564625850340136 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Reasoning Margin 8.904109589041099 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #13 · #13 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #3 · Near-SOTA · Coding Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #9 · #9 in Coding Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #3 · Near-SOTA · Coding › Agentic Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #9 · #9 in Coding › Agentic Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #5 · Near-SOTA · Coding › Web dev Margin 3.738317757009341 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Coding › Web dev Margin 18.691588785046733 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Long context Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | #3 · Near-SOTA · Vision Margin 10.526315789473685 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #14 · #14 in Factuality Margin 11.194029850746276 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
Claude Fable 5.1: $20 per 1M blended tokens.
GPT-5.6 Sol: $4.000000000000001 per 1M blended tokens.
Claude Fable 5.1: closed weights.
GPT-5.6 Sol: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in General LLM at #6 against #17.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Reasoning at #5 against #12.
Coding: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Coding at #3 against #9.
Coding › Agentic: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Coding › Agentic at #3 against #9.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Coding › Web dev at #5 against #21.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Long context at #6 against #13.
Vision: As of Oct 14, 2026, GPT-5.6 Sol leads Claude Fable 5.1 in Vision at #3 against #6.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Factuality at #1 against #14.
Abstraction (ARC): As of Oct 14, 2026, Claude Fable 5.1 and GPT-5.6 Sol share #3 in Abstraction (ARC).
Claude Fable 5.1 · GPT-5.6 Sol
Claude Fable 5.1 or GPT-5.6 Sol?
As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in 7 of 9 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1 or GPT-5.6 Sol for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in General LLM at #6 against #17.
Claude Fable 5.1 or GPT-5.6 Sol for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Reasoning at #5 against #12.
Claude Fable 5.1 or GPT-5.6 Sol for Coding?
As of Oct 14, 2026, Claude Fable 5.1 leads GPT-5.6 Sol in Coding at #3 against #9.