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Muse Spark 1.2

meta·meta/muse-spark-1.2·GA·Closed·muse series·NEW

Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.

At a glance
Official price$1.25 / $4.25 per 1M
Cache read $0.15 · Meta
Lowest paid$1.25 / $4.25
NanoGPT Gateway · 1× spread
Context1,048,576
⚠ Providers report 1,000,000–1,048,576; the table below is authoritative
Output limit131,072
Capabilities
ReasoningTool useStructured outputTemperatureAttachments
Modalities
TextImageVideoPDFAudio
Knowledge cutoff
Released / updated2026-08-05 / 2026-08-05

Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier xhigh

Intelligence56.8
Value28
Coding72.2
Agentic49.3
Output speed
TTFT
Cost per task$0.3992
Value formulaIQ 56.8 ÷ min blended $2.000 = 28

Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.

Available at 10 providers10 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
NanoGPTGateway$1.25$4.25$0.151,000,00065,536
MetaOfficialFirst-party$1.25$4.25$0.151,048,576131,072
OpenRouterGateway$1.25$4.25$0.151,048,5761,048,576
Merge GatewayGateway$1.25$4.25$0.151,048,576262,144
OpenCode ZenGateway$1.25$4.25$0.151,048,576131,072
EmpirioLabs AI
muse-spark-1-2
Gateway$1.25$4.25$1.001,048,576131,072
Vercel AI GatewayCloud$1.25$4.25$0.151,048,5761,048,576
DevPass (LLM Gateway)Gateway$1.25$4.25$0.151,048,576131,072
Kilo GatewayGateway$1.25$4.25$0.151,048,5761,048,576
AbacusGateway$1.25$4.25$0.151,048,576131,072

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1NanoGPT$330.50
2Meta · Official$330.50
3OpenRouter$330.50
4Merge Gateway$330.50
5OpenCode Zen$330.50
6Vercel AI Gateway$330.50
Switch to NanoGPT to save $0.00/mo (0%). The gap is small, so staying on the official channel is fine.
Note: this is a gateway; verify availability and rate limits yourself.

Benchmark

No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.

Reasoning control

effort = minimaleffort = loweffort = mediumeffort = higheffort = xhigh

3 / 10 providers expose no reasoning control (reasoning_options: []).

Related models

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$4.25$02026-08-082026-08-132026-08-08 · Input list $1.252026-08-09 · Input list $1.252026-08-10 · Input list $1.252026-08-11 · Input list $1.252026-08-12 · Input list $1.252026-08-13 · Input list $1.252026-08-08 · Output list $4.252026-08-09 · Output list $4.252026-08-10 · Output list $4.252026-08-11 · Output list $4.252026-08-12 · Output list $4.252026-08-13 · Output list $4.252026-08-08 · Min blended $2.002026-08-09 · Min blended $2.002026-08-10 · Min blended $2.002026-08-11 · Min blended $2.002026-08-12 · Min blended $2.002026-08-13 · Min blended $2.00