UltraGPT
Moondream: Moondream 3.1
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...
Intelligence overview
32K tok
Context window
4.1K tok
Max output
What Moondream: Moondream 3.1 can do.
Reasoning
Extended reasoning
Works through problems step by step before answering, trading latency for accuracy on harder tasks.
Multimodal
Image understanding
Reads and reasons over images alongside text in the same prompt.
Development
Streaming
Streams tokens as they're generated instead of waiting on the full response.
Pay for what you use.
Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.
$0.3 / 1M tok
$2.5 / 1M tok
Built for serious work.
Think
Works through multi-step problems with extended reasoning before it answers.
Create
Reads images alongside a prompt to ground creative and design work in what's actually on screen.
Ask Moondream: Moondream 3.1 anything.
A preview of the real UltraGPT composer — the model you see here is the model you get.
Continues in the UltraGPT app — one login, every model.
How Moondream: Moondream 3.1 stacks up.
The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.
Technical details.
Specification
- Context window
- 32K tokens
- Max output
- 4.1K tokens
- Input modalities
- Text + Image
- Output modalities
- Text
- Release date
- Oct 15, 2026
- Streaming
- Supported
- Tool calling
- Not supported
- JSON mode
- Not supported
More from Moondream, and everything else.
This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.