Muse

Muse Spark 1.3

Muse Spark 1.3: reasoning model specializing in Olympiad mathematics and complex proofs.

#267released Aug 10, 2026·Proprietary·Not disclosed
textimage256K ctxreasoning
API providersRun Model →Leaderboard
Intelligence
63.5 #267
Top 36% tier
Output Speed
75 t/s
TTFT 420 ms · ITL 13.3 ms/tok
Blended price (3:1)
$4.167 /1M
In $2.5/M · Out $10/M
Context
256K
≈ 655 A4 pages · max out 65,536

Quality Domain Radar

6-Axis Frontier Evaluation vs Category Average & Flagship

Muse Spark 1.3
Claude Mythos Preview (#1)
Average (68)
Coding (55)Mathematics (90)Hard Science (GPQA) (75)Agentic & Tool Use (61.5)Knowledge (MMLU) (45)Vision / Multimodal (30)

Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.

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Model Details

Release date
Aug 10, 2026
Parameters
Not disclosed
License
Proprietary
Context Window
262,144 tokens
Input Price
$2.5/M
Output Price
$10/M
Output Speed
75 t/s
Time to First Token
420 ms

Estimated monthly bill

Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...

Cite & embed

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BibTeX
@misc{llmpodium2026musespark13,
  title = {Benchmark Analysis and Intelligence Evaluation of Muse Spark 1.3},
  author = {LLMPodium Research},
  year = {2026},
  url = {https://llmpodium.com/models/muse-spark-1-3}
}

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