Test: the same harness on plain Muse Wonder 1.0 scored "31.7", vs "Muse Spark 1.3 (max): 32.2"
CodeRead the post
x.com · link re-checked 2026-10-16
Muse Spark 1.3
By Meta. 9 results on 5 boards, copied as published. Different boards, different metrics: don't add them up.
License (as listed)Proprietary
Hosting regionNot confirmed
Boards5
Code
No result on the boards we captured
Agentic / terminal
- 14.55%Terminal-Bench 4.0
Muse Spark 1.3 (xhigh) · Resolution rate
Muse Code · as of 2026-09-02 ↗
Websites
- 1657LMArena WebDev Arena
Muse Spark 1.3 (Max) · Arena score · board #16
LMArena WebDev (agentic front-end tasks) · as of 2026-10-22 ↗
- 1620LMArena WebDev Arena
muse-spark-1.3 (xHigh) · Arena score · board #26
LMArena WebDev (agentic front-end tasks) · as of 2026-10-22 ↗
- 85.86%Vals AI Vibe Code Bench v1.1
Muse Spark 1.3 Max · Score % · board #14
OpenHands · as of 2026-10-20 ↗
- 82.86%Vals AI Vibe Code Bench v1.1
Muse Spark 1.3 · Score % · board #20
OpenHands · as of 2026-10-20 ↗
- 1312Design Arena (Fullstack)
muse-spark-1.3-max · Elo · board #4
Design Arena · as of 2026-10-24 ↗
- 1295Design Arena (Fullstack)
muse-spark-1.3 · Elo · board #7
Design Arena · as of 2026-10-24 ↗
Design
Android
No result on the boards we captured
iOS
No mature public leaderboard
Available in
No plan row in our pricing data names this model version.
Use cases with this model
Cost: "Muse Wonder: $4 in / $20 out. Muse Spark 1.3: $1.25 in / $4.25 out … not sure it's worth 4-5x more just yet"
CodeRead the post
x.com · link re-checked 2026-10-16
"Mistral Large 4 scores 13.3%" on sudo L7 staff-level SWE benchmark
CodeRead the post
x.com · link re-checked 2026-10-16
"muse code + muse spark 1.3 max is really good at real-world software engineering"
CodeRead the post
x.com · link re-checked 2026-10-16
Counter-datapoint: "Muse Spark 1.3 and Gemini 3.8 Flash completely failed on this same exact prompt" (Minecraft one-shot)
CodeRead the post
x.com · link re-checked 2026-10-16
Launch: Muse Spark 1.3 "frontier performance almost too cheap to meter … Try it in Muse Code"
CodeRead the post
x.com · link re-checked 2026-10-16
Same family: Muse 11
"Muse Spark Open nuked a city for 10x less than Muse Wonder" (a voxel city with TNT)
DesignRead the post
x.com · link re-checked 2026-10-16
Llama: only local infra (e.g., Llama 3.2 3B at 124 tok/s on a jailbroken PS5)
CodeRead the post
x.com · link re-checked 2026-10-16
Muse CodeMuse family
Unofficial Muse Code desktop app built on top of the Muse Code CLI
CodeRead the post
x.com · link re-checked 2026-10-16
Muse CodeMuse family
Complaint: "Meta muse code is only available on US or canada"
CodeRead the post
x.com · link re-checked 2026-10-16
Test: "Muse Wonder Full 1.0 on real work. 2 repos. 105 bugs … GPT-6 Astra (max): 45 Muse Wonder Full 1.0 (max): 44 Fable 5.1 (max): 43 Opus 5.5…
CodeRead the post
x.com · link re-checked 2026-10-16
Test: an animated Popeye website from scratch, Muse Wonder vs Opus 5.5
WebsitesDesignRead the post
x.com · link re-checked 2026-10-16
Sources
lmarena.ai/leaderboard/webdev vals.ai/benchmarks/vibe-code tbench.ai/leaderboard designarena.ai/leaderboard designarena.ai/leaderboard/fullstack