Muse

Muse Wonder debuts 9th of 145 on EQ-Bench Creative Writing v3

In its first result on EQ-Bench Creative Writing v3, Muse Wonder scored 2007 Elo, 9th of 145.

Arena October 22 snapshot: Muse Spark 1.3 (Max) 10th on text and 15th on WebDev

Arena's October 22, 2026 text leaderboard ranks Muse Spark 1.3 (Max) 10th at 1491 with 20,506 votes, ahead of Muse Spark 1.2 (xHigh) at 17th. The WebDev leaderboard of the same date ranks Muse Spark 1.3 (Max) 15th at 1657 and Muse Spark 1.3 (xHigh) 25th at 1620.

Vals AI Terminal-Bench 4.0: Muse Spark 1.3 Max at 24.8%, 24th

Running every model in the same Mini-SWE-agent harness, Vals AI lists Muse Spark 1.3 Max 24th on Terminal-Bench 4.0 at 24.75% for $6.65 per test, and its separately listed Muse Spark 1.3 entry 40th at 10.61%. On Vals AI's ProofBench, Muse Spark 1.3 Max scores 58.00% and Muse Spark 1.3 55.00%.

Vals Index: Muse Wonder Full fourth, DeepSeek V4.1 Flash 1017 eighth at $0.66 per test

The Vals Index, updated October 22, 2026, ranks Muse Wonder Full fourth at 66.79% and Muse Wonder sixth at 64.88%. DeepSeek V4.1 Flash 1017 is eighth at 61.26% for $0.66 per test, GLM 5.3 ninth at 59.73%, Grok 4.7 12th at 58.56% and Kimi K3 19th at 52.95%.

Arena: Muse Wonder sixth on the text leaderboard, Wonder Full sixth on WebDev

Arena October 20, 2026 text leaderboard ranks Muse Wonder (Max) sixth at 1502 with 5,099 votes. The October 19 WebDev leaderboard ranks Muse Wonder Full (Max) sixth at 1726 and Muse Wonder (Max) 17th at 1652.

Meta releases Muse Spark Open with open weights

Meta released Muse Spark Open, an open-weight mixture-of-experts model with about 816B total and 42B active parameters and a context window up to 1M tokens, trained for agentic coding.

OpenClaw adds Meta Muse Wonder support

Epoch: Muse Wonder scores 82% on FrontierMath tiers 1-3 and 71% on tier 4