Compare · ModelsLive · 2 picked · head to head
GPT-5.2 vs Muse Spark
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.2 wins on 4/5 benchmarks
GPT-5.2 wins 4 of 5 shared benchmarks. Leads in math · knowledge.
Category leads
math·GPT-5.2knowledge·GPT-5.2
Hype vs Reality
Attention vs performance
GPT-5.2
#76 by perf·no signal
Muse Spark
#47 by perf·no signal
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
U
Unknown
private · undisclosed
Head to head
5 benchmarks · 2 models
GPT-5.2Muse Spark
FrontierMath-2025-02-28-Private
GPT-5.2 leads by +1.7
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
GPT-5.2
40.7
Muse Spark
39.0
FrontierMath-Tier-4-2025-07-01-Private
GPT-5.2 leads by +4.2
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
GPT-5.2
18.8
Muse Spark
14.6
GPQA diamond
GPT-5.2 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.
GPT-5.2
88.5
Muse Spark
86.4
OTIS Mock AIME 2024-2025
GPT-5.2 leads by +7.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-5.2
96.1
Muse Spark
88.9
SimpleQA Verified
Muse Spark leads by +27.4
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GPT-5.2
38.9
Muse Spark
66.3
Full benchmark table
| Benchmark | GPT-5.2 | Muse Spark |
|---|---|---|
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. | 40.7 | 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. | 18.8 | 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. | 88.5 | 86.4 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 96.1 | 88.9 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 38.9 | 66.3 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 | |
U Muse Spark | — | — | — | — |
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