Compare · ModelsLive · 2 picked · head to head
Claude Fable 5.2 vs GPT-6.1 Sol
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5.2 wins on 7/10 benchmarks
Claude Fable 5.2 wins 7 of 10 shared benchmarks. Leads in knowledge · general · math.
Category leads
knowledge·Claude Fable 5.2general·Claude Fable 5.2math·Claude Fable 5.2
Hype vs Reality
Attention vs performance
Claude Fable 5.2
#1 by perf·#6 by attention
GPT-6.1 Sol
#7 by perf·#2 by attention
Best value
GPT-6.1 Sol
3.6x better value than Claude Fable 5.2
Claude Fable 5.2
3.6 pts/$
$24.00/M
GPT-6.1 Sol
12.7 pts/$
$6.00/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
10 benchmarks · 2 models
Claude Fable 5.2GPT-6.1 Sol
Chess Puzzles
Claude Fable 5.2 leads by +11.6
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Fable 5.2
77.9
GPT-6.1 Sol
66.3
Ebr Bench
Claude Fable 5.2 leads by +36.2
Claude Fable 5.2
90.5
GPT-6.1 Sol
54.3
FrontierMath-Tier-4-v2-Private
Claude Fable 5.2
100.0
GPT-6.1 Sol
100.0
FrontierMath-Tiers-1-3-v2-Private
Claude Fable 5.2 leads by +1.4
Claude Fable 5.2
100.0
GPT-6.1 Sol
98.6
Furniture Assembly
Claude Fable 5.2 leads by +14.3
Claude Fable 5.2
85.7
GPT-6.1 Sol
71.4
GPQA diamond
GPT-6.1 Sol leads by +2.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Fable 5.2
95.7
GPT-6.1 Sol
97.8
Mystery Game Puzzles
Claude Fable 5.2 leads by +11.0
Claude Fable 5.2
89.0
GPT-6.1 Sol
78.0
OTIS Mock AIME 2024-2025
GPT-6.1 Sol leads by +0.3
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Fable 5.2
99.7
GPT-6.1 Sol
100.0
SimpleQA Verified
Claude Fable 5.2 leads by +20.1
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Fable 5.2
94.0
GPT-6.1 Sol
73.9
SpireClimb
GPT-6.1 Sol leads by +4.2
Claude Fable 5.2
19.6
GPT-6.1 Sol
23.8
Full benchmark table
| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 77.9 | 66.3 |
Ebr Bench | 90.5 | 54.3 |
FrontierMath-Tier-4-v2-Private | 100.0 | 100.0 |
FrontierMath-Tiers-1-3-v2-Private | 100.0 | 98.6 |
Furniture Assembly | 85.7 | 71.4 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 95.7 | 97.8 |
Mystery Game Puzzles | 89.0 | 78.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.7 | 100.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 94.0 | 73.9 |
SpireClimb | 19.6 | 23.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $8.00 | $40.00 | 1.0M tokens (~500 books) | $160.00 | |
| $2.00 | $10.00 | 1.1M tokens (~525 books) | $40.00 |
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