Muse Spark 1.2 · Meta — forck
Muse Spark 1.3 Contributor
2 Sep
Launch Meta launched Muse Spark 1.2, a coding-focused update to Muse Spark 1.1, with improved multimodal capabilities including visual coding, robotics, and audio-visual understanding. The post shares new evaluations and demonstrations ahead of an open-weights release. It also previews a new internal evaluation benchmark, WildArtifactBench. Muse Spark 1.2 is available via Meta Model API and Muse Code.
Model update
Artificial Analysis · Intelligence Index Benchmarks, as Artificial Analysis ran them 90% GPQA Diamond 46% Humanity's Last Exam 7% Terminal-Bench 4.0 80% Terminal-Bench 2.1 57% SciCode 35% τ²-Bench Banking 79% Long context reasoning
Per 1M tokens $1.25 in · $4.25 out
Context 1M tokens Text WebDev Vision
Overall 12th Multi-turn 6th Coding 11th Hard prompts 17th Longer queries 27th Math 34th Instruction following 36th Creative writing 51st Expert 61st
Rated by version Muse Spark Level with Muse Spark 1.1; Muse Spark 1.3 rates level with it.
1.1 #13 1.2 #12 1.3 #10 Muse Spark 1.2 · 1,493 (1,486–1,500) · 12th
Against list price Rating for the price
1340 1360 1380 1400 1420 1440 1460 1480 1500 1520 $0.03 $0.1 $0.3 $1 $3 $10 $30 Muse Spark 1.2 Muse Wonder Gemini 3.8 Flash Gemini 3.7 Flash GLM-5.3 DeepSeek V4.1 Flash GLM-5.3-Flash Muse Spark 1.2 · 1,493 · $2.00 per 1M tokens ($1.25 in, $4.25 out) · 1M context
1340 1360 1380 1400 1420 1440 1460 1480 1500 1520 $0.03 $0.1 $0.3 $1 $3 $10 $30 Muse Spark 1.2 Muse Wonder Gemini 3.8 Flash Gemini 3.7 Flash GLM-5.3 DeepSeek V4.1 Flash GLM-5.3-Flash Muse Spark 1.2 · 1,493 · $2.00 per 1M tokens ($1.25 in, $4.25 out) · 1M context
LMArena , CC BY 4.0, 15 October 2026 · prices OpenRouter , list price blended 3:1, read 21 October 2026 · Artificial Analysis , read 21 October 2026
About the model
Released 5 August 2026, per models.dev Ask your AIYour brief, straight from the record Connect once, then ask Claude or ChatGPT what changed for the tools you use. Every item links to its page on forck.live.
About the model
Released 5 August 2026, per models.dev Ask your AIYour brief, straight from the record Connect once, then ask Claude or ChatGPT what changed for the tools you use. Every item links to its page on forck.live.