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Moondream: Moondream 3.1.

multimodal closed 32K ctx
Cheapest input
$0.3/M
on OpenRouter
Cheapest output
$2.5/M
on OpenRouter
Hosted equiv.
~$0.9/hr
@ 100 tok/s on OpenRouter

Moondream 3.1 is a vision-language model from Moondream, the successor to Moondream 3 Preview, with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, and...

Hosted API only

No self-host path — closed weights.

Moondream: Moondream 3.1's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.3 $2.5 Launch ↗
Sources

Official references.

Hugging Face ↗
FAQ

Frequently asked.

How do I run Moondream: Moondream 3.1?
Moondream: Moondream 3.1 is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access Moondream: Moondream 3.1?
Moondream: Moondream 3.1 is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Moondream: Moondream 3.1?
API pricing starts at $0.3/M input tokens and $2.5/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Moondream: Moondream 3.1 open-source or proprietary?
Moondream: Moondream 3.1 is a proprietary model from Moondream. Access is API-only — there are no public weights to download.