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Muse Spark 1.1

Muse Spark 1.1 was the first Muse Spark version offered to developers through Meta Model API, succeeding the original Muse Spark shown in Meta AI.

Reasoning1,048,576 tokenstext, image, video, audio, PDF

1,048,576 tokensContext window
—Median time to first token (gateway proxy)
—Output tokens per second (whole turn)
$1.25 / $4.25Vendor API price in / out · per 1M

Included in Borg

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At a glance

SpecificationValue
ProviderMeta
FamilyMuse Spark
Release date2026-07-09 Vendor source
Context window1,048,576 tokens Vendor source
Input modalitiestext, image, video, audio, PDF
Output modalitiestext
ReasoningYes
Open weightsNo
Borg lane idsmuse-spark-1.1, meta/muse-spark-1.1
Versions in BorgMuse Spark 1.1 · Muse Spark 1.2 · Muse Spark 1.3

Not published by the vendor: thinking modes, knowledge cutoff, fusion roles.

What Muse Spark 1.1 is good for

Muse Spark 1.1 was the first Muse Spark version offered to developers through Meta Model API, succeeding the original Muse Spark shown in Meta AI. Unlike the later coding-focused 1.2 and longer-horizon 1.3, it established the family's baseline for tool orchestration, computer use and multimodal reasoning. Its large context window can hold lengthy task histories while it delegates work to subagents or works through a repository. It accepts text, images, video, audio and PDFs, but returns text rather than generated media. Choose it for visual debugging, browser-driven tasks or comparing the original API release against newer Muse versions. Borg includes it in the subscription: Borg Fusion can route to it when suitable, or you can select its lane directly for a repeatable model choice.

How Borg uses it

Muse Spark 1.1 is available as a subscription catalog lane in Borg. The catalog does not publish which Fusion profiles route to this model, so no routing role is claimed here. You can pick it directly by setting the OpenAI-compatible gateway model field to a listed lane id. Check the current catalog for availability before building a workflow around a lane.

model: "muse-spark-1.1"

Measured on Borg

Measured on Borg: SearchAtlas AI Gateway production request logs. 30-day window ending 2026-10-08; 46 requests. Minimum 100 samples per published request metric.

Completion speed covers the whole turn including queueing and reasoning time; it is not a streaming tokens-per-second figure.

Borg served 46 requests for this model in the last 30 days; not enough timed samples to publish a speed figure yet.

Benchmarks

BenchmarkVendor-reported scoreSource
MCP Atlas88.1Vendor source
JobBench54.7Vendor source
OSWorld-Verified80.8Vendor source
Terminal-Bench 2.180Vendor source
SWE-Bench Pro61.5Vendor source
BabyVision76.3Vendor source

Pricing

Included in Borg subscription. Vendor API list price: $1.25 input / $4.25 output per 1M tokens. Vendor price source.

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FAQ

What is Muse Spark 1.1?

Muse Spark 1.1 is listed in Borg's subscription catalog as muse-spark-1.1. Muse Spark 1.1 was the first Muse Spark version offered to developers through Meta Model API, succeeding the original Muse Spark shown in Meta AI.

Is Muse Spark 1.1 in Borg?

Yes. Muse Spark 1.1 is listed in Borg's subscription catalog under the lane muse-spark-1.1. You can choose the lane directly, or explore the available Fusion profiles. Availability and model details can change; check the current catalog before deployment.

What context window does Muse Spark 1.1 have?

The published context window is 1,048,576 tokens. Consult the cited sources for details and current limits. Vendor source

Is Muse Spark 1.1 good for coding?

Vendor-published evaluations appear in the benchmarks section; their settings may differ from your tasks. Its listed uses include computer-use agents spanning several applications, debugging interfaces from screenshots, multimodal document and video analysis, multi-agent task planning with long histories. Try the lane for your own tasks, and compare the output with your requirements before choosing a default.

How fast is Muse Spark 1.1 on Borg?

Borg served 46 requests for this model in the last 30 days; not enough timed samples to publish a speed figure yet.

How much does Muse Spark 1.1 cost on Borg vs the API?

This model is included in the Borg subscription. The vendor API list prices appear below with a source link. See the pricing explainer and cost savings calculator to compare billing approaches.

Sources