HolyGrAIL

All tasks / Models

Muse Spark 1.3

Meta's mid-tier proprietary Muse model line, offered through Meta's API.

  • Meta
  • Closed
  • Released Sep 2026

Where it ranks

Facts

Vendor
Meta
Family
Muse Spark
Released
Sep 2026
Weights
Closed: API and apps only
License
proprietary
API price
$1.25 in / $4.25 out per 1M tokens
Access
Paid only
Last verified
18 Oct 2026

Price from openrouter.ai, 18 Oct 2026.

Benchmark results

BenchmarkResultEntry on the leaderboardAs ofSource
Artificial Analysis Intelligence Index48Muse Spark 1.3 (Max)
Raw value from the page's embedded model data; the site displays it rounded to an integer.
18 Oct 2026artificialanalysis.ai
Artificial Analysis MMMU-Pro (independent evaluation)82%Muse Spark 1.3 (Xhigh)
Raw fraction 0.8202 from the model data embedded in https://artificialanalysis.ai/leaderboards/models, converted to percent; rank 21 of 124 entries with an MMMU-Pro result; no last-updated date shown.
19 Oct 2026artificialanalysis.ai
Design Arena Python-PPTX Slides1,244Muse Spark 1.3 (xhigh)
3,765 battles. Read from the site's own API (page renders client-side).
18 Oct 2026designarena.ai
Design Arena SVG1,323Muse Spark 1.3 Max
Design Arena SVG, rank 6, 1078 battles; rows read from POST https://www.designarena.ai/api/leaderboard (arenaType 'models', category 'svg'); names from https://www.designarena.ai/api/registry
19 Oct 2026designarena.ai
EQ-Bench Creative Writing v31,906muse-spark-1.3
Elo score from the leaderboard data embedded in https://eqbench.com/creative_writing.js (file last modified 2026-09-24); rank 16 of 140; rubric score 16.70. Marked as a new entry on the board.
24 Sep 2026eqbench.com
LMArena Text Arena (overall, style control)1,494Muse Spark 1.3 (Max)
From LMArena's official leaderboard-dataset (text_style_control, split latest, category overall, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text (site blocks automated fetches).
15 Oct 2026huggingface.co
LMArena Text Arena: Creative Writing (style control)1,461Muse Spark 1.3 (Max)
From LMArena's official leaderboard-dataset (text_style_control, split latest, category creative_writing, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text/creative-writing (site blocks automated fetches). Rank 29 of 414; 3844 votes; 95% CI 1450.6-1471.7.
15 Oct 2026huggingface.co
LMArena Vision Arena (overall, style control)1,290muse-spark-1.3-max
From LMArena's official leaderboard-dataset (vision_style_control, split latest, category overall, published 2026-10-09), which mirrors https://arena.ai/leaderboard/vision (site blocks automated fetches). Rank 12 of 165; 4550 votes; 95% CI 1279.9-1299.5.
9 Oct 2026huggingface.co
LMArena WebDev / Code Arena (overall)1,659Muse Spark 1.3 (Max)
From LMArena's official leaderboard-dataset (webdev = Code Arena, split latest, category overall, published 2026-10-18), which mirrors https://arena.ai/leaderboard/webdev. Rank 13; 9279 votes; 95% CI 1651.2-1666.9.
18 Oct 2026huggingface.co
OSWorld 2.0 (end-to-end models)39.3%MuseSpark 1.3
reasoning max, batch tool; 500-step budget; full task set, release v2.1; partial score 69.56; trajectory file covers 106 tasks; read from the page's official-results.json
15 Oct 2026osworld-v2.xlang.ai

Where you can use it

Earlier versions

  • Muse Spark 1.2 · Aug 2026
  • Muse Spark 1.1 · Jul 2026
  • Muse Spark · 8 Apr 2026

Compare

Alternatives to Muse Spark 1.3

Sources