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Meta: Muse Spark 1.2 Contributor.

multimodal open weights 1M ctx
Cheapest input
$0.1/M
on OpenRouter
Cheapest output
$0.2/M
on OpenRouter
Hosted equiv.
~$0.07/hr
@ 100 tok/s on OpenRouter

Muse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark...

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.1 $0.2 Launch ↗
FAQ

Frequently asked.

How do I run Meta: Muse Spark 1.2 Contributor?
Meta: Muse Spark 1.2 Contributor 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 Contributor?
Meta: Muse Spark 1.2 Contributor 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 Contributor?
API pricing starts at $0.1/M input tokens and $0.2/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Meta: Muse Spark 1.2 Contributor open-source or proprietary?
Meta: Muse Spark 1.2 Contributor is open-weight under the license. You can download and self-host it.