Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.7 vs Muse Spark
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.7 wins on 5/7 benchmarks
Claude Opus 4.7 wins 5 of 7 shared benchmarks. Leads in arena · math.
Category leads
arena·Claude Opus 4.7math·Claude Opus 4.7knowledge·Muse Spark
Hype vs Reality
Attention vs performance
Claude Opus 4.7
#65 by perf·no signal
Muse Spark
#83 by perf·no signal
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
U
Unknown
private · undisclosed
Head to head
7 benchmarks · 2 models
Claude Opus 4.7Muse Spark
Chatbot Arena Elo · Overall
Claude Opus 4.7 leads by +6.2
Claude Opus 4.7
1493.1
Muse Spark
1487.0
FrontierMath-2025-02-28-Private
Claude Opus 4.7 leads by +4.8
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Claude Opus 4.7
43.8
Muse Spark
39.0
FrontierMath-Tier-4-2025-07-01-Private
Claude Opus 4.7 leads by +8.3
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
Claude Opus 4.7
22.9
Muse Spark
14.6
GPQA diamond
Claude Opus 4.7 leads by +0.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 4.7
86.9
Muse Spark
86.4
HLE
Muse Spark leads by +4.6
HLE (Humanity's Last Exam) · a reasoning benchmark designed to be the hardest public evaluation of AI. Questions span mathematics, physics, philosophy, and logic · curated to be at or beyond the frontier of human expert capability. Tested with and without tool augmentation. Claude Opus 4.7 scores 46.9% without tools and 54.7% with tools · making it one of the few benchmarks where the top score is below 60%.
Claude Opus 4.7
33.0
Muse Spark
37.6
OTIS Mock AIME 2024-2025
Claude Opus 4.7 leads by +8.9
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 4.7
97.8
Muse Spark
88.9
SimpleQA Verified
Muse Spark leads by +15.7
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Opus 4.7
50.6
Muse Spark
66.3
Full benchmark table
| Benchmark | Claude Opus 4.7 | Muse Spark |
|---|---|---|
Chatbot Arena Elo · Overall | 1493.1 | 1487.0 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 43.8 | 39.0 |
FrontierMath-Tier-4-2025-07-01-Private FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning. | 22.9 | 14.6 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 86.9 | 86.4 |
HLE HLE (Humanity's Last Exam) · a reasoning benchmark designed to be the hardest public evaluation of AI. Questions span mathematics, physics, philosophy, and logic · curated to be at or beyond the frontier of human expert capability. Tested with and without tool augmentation. Claude Opus 4.7 scores 46.9% without tools and 54.7% with tools · making it one of the few benchmarks where the top score is below 60%. | 33.0 | 37.6 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 97.8 | 88.9 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 50.6 | 66.3 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $5.00 | $25.00 | 1.0M tokens (~500 books) | $100.00 | |
U Muse Spark | — | — | — | — |