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Muse Spark 1.1

meta·meta/muse-spark-1.1·GA·Closed·muse series·NEW

Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration.

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
Context1,000,000
⚠ Providers report 1,000,000–1,048,576; the table below is authoritative
Output limit32,000
Capabilities
ReasoningTool useStructured outputTemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDFVideoAudio
Knowledge cutoff
Released / updated2026-04-08 / 2026-07-09

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

Intelligence53.2
Value27
Coding71.3
Agentic39.7
Output speed200 tok/s
TTFT1.48 s
Cost per task$0.2923
Value formulaIQ 53.2 ÷ min blended $2.000 = 27

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$0.151,000,00032,000
OpenRouterGateway$1.25$4.25$0.151,048,5761,048,576
Merge GatewayGateway$1.25$4.25$0.151,048,576262,144
EmpirioLabs AI
muse-spark-1-1
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$0.151,048,57632,000
Kilo GatewayGateway$1.25$4.25$0.151,048,5761,048,576
PioneerGateway$1.25$4.25$0.15$1.251,048,576131,072
AbacusGateway$1.25$4.25$0.151,000,00032,000

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
5Vercel AI Gateway$330.50
6DevPass (LLM 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.

Benchmark11 items

NameConditionsScoreMetricSource
SWE-Bench Pro61.5resolve rateSource ↗
Terminal-Benchv2.180success rateSource ↗
DeepSWEv1.153.3resolve rateSource ↗
MCP Atlas88.1success rateSource ↗
JobBench54.7success rateSource ↗
Toolathlon-Verified75.6success rateSource ↗
Humanity's Last Examvariant: with tools62.1accuracySource ↗
OSWorld-Verified80.8success rateSource ↗
Finance Agentvv257.2accuracySource ↗
CharXiv Reasoning88.4accuracySource ↗
BabyVision76.3accuracySource ↗

The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.

Reasoning control

effort = minimaleffort = loweffort = mediumeffort = higheffort = xhigh

2 / 10 providers expose no reasoning control (reasoning_options: []).

Related models

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$4.25$02026-08-052026-08-132026-08-05 · Input list $1.252026-08-06 · Input list $1.252026-08-07 · Input list $1.252026-08-08 · 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 $1.252026-08-05 · Output list $4.252026-08-06 · Output list $4.252026-08-07 · Output list $4.252026-08-08 · 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 $4.252026-08-05 · Min blended $2.002026-08-06 · Min blended $2.002026-08-07 · Min blended $2.002026-08-08 · 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