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Muse Spark 1.3 vs Muse Wonder
Muse Wonder scores higher than Muse Spark 1.3 on all 3 public leaderboards that rate both. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Muse Spark 1.3 is at 61.6 and Muse Wonder at 71.7 (out of 100).
Scores as published by each board; table composed November 10, 2026.
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Leaderboard by leaderboard
| Board | Muse Spark 1.3 | Muse Wonder | Higher |
|---|---|---|---|
| LMArena Elo (community votes) | 1,654.3 | 1,723.9 | Muse Wonder |
| LiveBench global average (0-100) | 68.4 | 70.7 | Muse Wonder |
| Epoch AI Epoch Capabilities Index (ECI) · many benchmarks on one scale | 158 | 162 | Muse Wonder |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
For coding
On the ArtificialWatch coding index, Muse Spark 1.3 is at 76.2 (#10 of 47) and Muse Wonder at 71.4 (#12). Muse Spark 1.3 scores higher on 1 of the 3 coding boards that rate both and Muse Wonder on 2.
| Coding board | Muse Spark 1.3 | Muse Wonder |
|---|---|---|
| LMArena · Coding | 1,507.9 | 1,517.4 |
| LiveBench · Coding | 83.1 | 74.9 |
| Vals Vibe Code Bench | 85.9 | 86 |
Muse Spark 1.3 at a glance
- Developer
- Meta
- Status
- Live since September 2, 2026
- API price
- $1.25 input / $4.25 output per 1M tokens · Meta, muse-spark-1.3
- Context window
- 1.05M tokens
Live — Sep 2 · $1.25/$4.25 per 1M and 1M ctx, identical to 1.2 · Meta: ~20% fewer tool calls, ~25% fewer tokens vs 1.2 · open weights on the roadmap, undated · the open-weights Spark shipped Oct 15 as Muse Spark Open (its own entry).
Muse Spark 1.3 is out — same price as 1.2, and the radar called it in 61 seconds
2026-09-03 · Meta released Muse Spark 1.3 today. Its own words: "We're excited to release Muse Spark 1.3, which delivers improved performance across agentic and coding tasks." The numbers Meta gives are efficiency, not capability: ~20% fewer tool calls and ~25% fewer tokens than 1.2 on coding work, fewer interaction turns, less…
Muse Wonder at a glance
- Developer
- Meta
- Status
- Live since October 12, 2026
Live — Oct 12 · Meta's most capable model, a new line above Muse Spark · muse-wonder-1.0 on Meta Model API (preview) at $4 / $20 per 1M, $0.20 cached, no long-context premium · 1M ctx, 131K max output · Muse Wonder Full, the stronger variant, is in Muse Code only (Power and Maximum plans) · same $4 / $20 as Claude Opus 5.5 · Artificial Analysis Intelligence Index (read on AA Oct 12): Wonder 52, Wonder Full 56; Claude Opus 5.5 58 on the same index per Meta's chart · CursorBench 4.0 (read on cursor.com Oct 15): 50.4% on Max at $5.25 a task; on Cursor's main chart that trails Opus 5.5 (57.8%), Sonnet 5.5 (55.5%), Gemini 4 Argon (52.9%) and Fable 5.1 (51.8%), and Argon on its Low setting scores 50.6% at $4.09 · Meta's own table has Wonder Full ahead of Opus 5.5 on 8 of 14 rows (two are Meta-internal: its Personal Superintelligence Index and MemoryBench; DeepSWE 1.1 79.0 vs 74.2, SWE-Marathon 57.5 vs 46.3) and behind on the other 6, including Terminal-Bench 4.0, ProgramBench (59.0 vs 70.5) and the AA index · Meta's launch materials do not use the Watermelon codename, but @kimmonismus, who says he had early access, called the model Meta's 'Watermelon' on Oct 12 after launch, so it was very likely Wonder's codename (Meta has not said).
Meta's Muse gets voice, live avatars and Spaces, runs on models trained with Muse Wonder, and launches in Mexico
2026-11-06 · Meta shipped four updates to Muse, its personal agent app, on November 5 and 6. Muse now talks, shows a live avatar in the US, builds small apps called Spaces, and runs on specialized models trained with Muse Wonder, Meta's most capable model. Muse also launched in Mexico.
Meta ships Muse Wonder at Opus 5.5's $4 / $20, and says Wonder Full beats Opus 5.5 on 8 of 14 benchmarks
2026-10-12 · Meta released Muse Wonder today, its most capable model and a new line above Muse Spark. Muse Wonder is on Meta Model API now as muse-wonder-1.0, at $4 per million input tokens and $20 per million output, the same price as Claude Opus 5.5.
Muse Spark 1.3 vs Muse Wonder: quick answers
Which is better, Muse Spark 1.3 or Muse Wonder?
It depends on what you measure. Muse Wonder scores higher than Muse Spark 1.3 on all 3 public leaderboards that rate both. Muse Wonder's widest lead is on LMArena. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Muse Spark 1.3 is at 61.6 and Muse Wonder at 71.7 (out of 100).
Which is newer, Muse Spark 1.3 or Muse Wonder?
Muse Wonder. It went live on October 12, 2026, 40 days after Muse Spark 1.3 (September 2, 2026).
How do Muse Spark 1.3 and Muse Wonder compare for coding?
On the ArtificialWatch coding index, Muse Spark 1.3 is at 76.2 (#10 of 47) and Muse Wonder at 71.4 (#12). Muse Spark 1.3 scores higher on 1 of the 3 coding boards that rate both and Muse Wonder on 2.
Who makes Muse Spark 1.3 and Muse Wonder?
Both are from Meta.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed November 10, 2026). Boards measure different things, so raw scores are only comparable within a row.
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Also: the bench index · API pricing · the wire