How much does Meta: Muse Spark 1.3 cost per 1M tokens?

Meta: Muse Spark 1.3 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 1.3's context window?

Meta: Muse Spark 1.3 accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.

Is there a cheaper OpenRouter model than Meta: Muse Spark 1.3?

Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.25 for Meta: Muse Spark 1.3, with a 16,385 token context window.

Where does this Meta: Muse Spark 1.3 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 1.3 pricing

Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. Meta: Muse Spark 1.3 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-1.3 · OpenRouter · source · updated 2026-09-25 · general-purpose

$1.25

Input / 1M tokens

$4.25

Output / 1M tokens

$0.150

Cached input / 1M

Context window

Meta: Muse Spark 1.3 specifications

Provider: OpenRouter
API id: meta/muse-spark-1.3
Model type: general-purpose
Context window: 1M tokens
Max output: 944K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

What Meta: Muse Spark 1.3 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 1.3 cost per 1M tokens?: Meta: Muse Spark 1.3 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 1.3's context window?: Meta: Muse Spark 1.3 accepts up to 1,048,576 tokens in a single request, and can return up to 943,718 output tokens.
Is there a cheaper OpenRouter model than Meta: Muse Spark 1.3?: Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.25 for Meta: Muse Spark 1.3, with a 16,385 token context window.
Where does this Meta: Muse Spark 1.3 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 1.3 specifications

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What Meta: Muse Spark 1.3 costs in practice

Common questions

Head-to-head comparisons

Other OpenRouter models