How much does Meta: Muse Spark Open cost per 1M tokens?

Meta: Muse Spark Open costs $1.25 per 1M input tokens and $4.25 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.

What is Meta: Muse Spark Open's context window?

Meta: Muse Spark Open accepts up to 1,048,576 tokens in a single request, and can return up to 131,072 output tokens.

Is there a cheaper OpenRouter model than Meta: Muse Spark Open?

Yes. Free Models Router is free per 1M input tokens versus $1.25 for Meta: Muse Spark Open, with a 200,000 token context window.

Where does this Meta: Muse Spark Open price come from?

From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Meta: Muse Spark Open pricing

Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos… Meta: Muse Spark Open from OpenRouter costs $1.25 per 1M input tokens and $4.25 per 1M output tokens. Cached input is $0.150 per 1M. Context window 1,048,576 tokens.

API id meta/muse-spark-open · OpenRouter · source · updated 2026-11-10 · general-purpose

$1.25

Input / 1M tokens

$4.25

Output / 1M tokens

$0.150

Cached input / 1M

Context window

Meta: Muse Spark Open specifications

Provider: OpenRouter
API id: meta/muse-spark-open
Model type: general-purpose
Context window: 1M tokens
Max output: 131K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-11-10

What Meta: Muse Spark Open costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0034
Document summary	50,000	2,000	$0.07
1M tokens in, 200K out	1,000,000	200,000	$2.10

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Meta: Muse Spark Open cost per 1M tokens?: Meta: Muse Spark Open costs $1.25 per 1M input tokens and $4.25 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.
What is Meta: Muse Spark Open's context window?: Meta: Muse Spark Open accepts up to 1,048,576 tokens in a single request, and can return up to 131,072 output tokens.
Is there a cheaper OpenRouter model than Meta: Muse Spark Open?: Yes. Free Models Router is free per 1M input tokens versus $1.25 for Meta: Muse Spark Open, with a 200,000 token context window.
Where does this Meta: Muse Spark Open price come from?: From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

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Meta: Muse Spark Open specifications

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What Meta: Muse Spark Open costs in practice

Common questions

Head-to-head comparisons

Other OpenRouter models