Compare · ModelsLive · 2 picked · head to head
Claude Fable 5.2 vs Muse Spark Open
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5.2 wins on 5/5 benchmarks
Claude Fable 5.2 wins 5 of 5 shared benchmarks. Leads in math · knowledge.
Category leads
math·Claude Fable 5.2knowledge·Claude Fable 5.2
Hype vs Reality
Attention vs performance
Claude Fable 5.2
#1 by perf·#6 by attention
Muse Spark Open
#35 by perf·no signal
Best value
Muse Spark Open
6.8x better value than Claude Fable 5.2
Claude Fable 5.2
3.6 pts/$
$24.00/M
Muse Spark Open
24.0 pts/$
$2.75/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Meta AI
$1.65T·Tier 1
Head to head
5 benchmarks · 2 models
Claude Fable 5.2Muse Spark Open
FrontierMath-Tier-4-v2-Private
Claude Fable 5.2 leads by +68.3
Claude Fable 5.2
100.0
Muse Spark Open
31.7
FrontierMath-Tiers-1-3-v2-Private
Claude Fable 5.2 leads by +26.5
Claude Fable 5.2
100.0
Muse Spark Open
73.5
GPQA diamond
Claude Fable 5.2 leads by +7.4
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
Muse Spark Open
88.3
OTIS Mock AIME 2024-2025
Claude Fable 5.2 leads by +1.7
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Fable 5.2
99.7
Muse Spark Open
98.0
SimpleQA Verified
Claude Fable 5.2 leads by +37.4
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
Muse Spark Open
56.6
Full benchmark table
| Benchmark | Claude Fable 5.2 | Muse Spark Open |
|---|---|---|
FrontierMath-Tier-4-v2-Private | 100.0 | 31.7 |
FrontierMath-Tiers-1-3-v2-Private | 100.0 | 73.5 |
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 | 88.3 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.7 | 98.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 94.0 | 56.6 |
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 | |
| $1.25 | $4.25 | 1.0M tokens (~524 books) | $20.00 |
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