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Meta: Muse Spark 1.2.

multimodal open weights 1M ctx
Cheapest input
$1.25/M
on OpenRouter
Cheapest output
$4.25/M
on OpenRouter
Hosted equiv.
~$1.53/hr
@ 100 tok/s on OpenRouter

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, audio, and PDF documents, returns text, and offers a 1M-token context...

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $1.25 $4.25 Launch ↗
FAQ

Frequently asked.

How do I run Meta: Muse Spark 1.2?
Meta: Muse Spark 1.2 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access Meta: Muse Spark 1.2?
Meta: Muse Spark 1.2 is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Meta: Muse Spark 1.2?
API pricing starts at $1.25/M input tokens and $4.25/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Meta: Muse Spark 1.2 open-source or proprietary?
Meta: Muse Spark 1.2 is open-weight under the license. You can download and self-host it.