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Models/muse-spark-1-2

Muse Spark 1.2

17th on DeepSWE v1.1 Best (xhigh) at 54.9%. An older row than Muse Spark 1.3.

Meta · Proprietary · Fetched 2026-10-10

LMArena WebDev
1534
#54 / 153 · ±14
EQ-Bench Creative Writing v3
1842.2
#22 / 146
DeepSWE v1.1
54.9%
#17 / 28 · 52.7–57.0

Benchmark scores

Boards older than 90 days are not counted as recommendations
BenchmarkSettingScoreRankCostAs of
LMArena WebDevxhigh1534±14#54—2026-10-27
EQ-Bench Creative Writing v3—1842.2#22—2026-10-29
DeepSWE v1.1xhigh · mini-swe-agent54.952.7–57.0#17$3.702026-09-22
SWE-bench Verified—This board has stopped updating——2026-02-26
Aider Polyglot—This board has stopped updating——2025-11-20

Use it or not

Why
  • Still clears half the DeepSWE long-horizon tasks.
When not
  • The newer family row is Muse Spark 1.3; do not merge the two into one score.

Appears in these scenarios

Collected from scenario boards
Build a Web frontend#17DeepSWE 54.9%Build an Android app#17DeepSWE 54.9%Write CLI, scripts, and DevOps#17DeepSWE 54.9%Write docs & copy#22Creative Writing 1842.2

Peers