Moondream: Moondream 3 Preview✓ Catalog verified
Moondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, and visual reasoning over images, with...
Overview
Moondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, and visual reasoning over images, with...
Access: available through the official Moondream API. Context window: 32K.
Specifications
| API identifier | moondream/moondream3-preview |
| Provider | Moondream |
| Model type | Multimodal LLM |
| Context window | 32K catalog |
| Input modalities | text · image |
| Output modalities | text |
| Released | Oct 15, 2026 |
| Moderated | No |
| Architecture modality | text+image->text |
API defaults
{
"top_p": 0.9,
"temperature": 0.2
}Pricing
Live pricing components for moondream/moondream3-preview as published in the catalog.
| Pricing component | Raw unit price | Normalized | Unit |
|---|---|---|---|
| Prompt tokens | $3e-7 | $0.30 / 1M | Per input token |
| Completion tokens | $0.0000025 | $2.50 / 1M | Per output token |
| Request fee | N/A | N/A | Per request |
| Image fee | N/A | N/A | Per image unit |
| Web search fee | N/A | N/A | Per search request |
Cost calculator
Estimate monthly spend from your own token volumes.
Estimated Total Cost
$0.65Calculated from current list pricing in the ModelsAtlas catalog.Capabilities
| Capability | Status | What it means |
|---|---|---|
| Visual Understanding | ✓ Supported | Image and document analysis support |
| Audio Processing | Not advertised | Speech and voice aligned flows |
| Tool Calling | Not advertised | Supports tools / function calling |
| Self-Hosting | Not advertised | Deploy outside managed APIs |
Capability signals
Directional signals derived from model metadata and capability tags — not official benchmark submissions.
Quick start
Call Moondream: Moondream 3 Preview through an OpenAI-compatible client.
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_API_KEY"
)
response = client.chat.completions.create(
model="moondream/moondream3-preview",
messages=[{"role": "user", "content": "Explain quantum physics."}]
)
print(response.choices[0].message.content)Alternatives
Closest models by context window from a different provider.
| Model | Provider | Context | Input /1M | Actions |
|---|---|---|---|---|
| AionLabs: Aion-RP 1.0 (8B) | Aion Labs | 33K | $0.80 | View → |
| Magnum v4 72B | Anthracite Org | 33K | $2.50 | View → |
Sources & attribution
Pricing and metadata are maintained in the ModelsAtlas catalog.
Frequently asked questions
How much does Moondream: Moondream 3 Preview cost?
$0.30 per 1M input tokens and $2.50 per 1M output tokens on the official Moondream API.
What is the context window of Moondream: Moondream 3 Preview?
Moondream: Moondream 3 Preview supports up to 32K tokens of context.
Does Moondream: Moondream 3 Preview support tool / function calling?
Moondream: Moondream 3 Preview does not advertise first-class tool/function calling. Check vendor docs for the latest capabilities.
How do I access Moondream: Moondream 3 Preview?
Use the official Moondream API with the model id `moondream/moondream3-preview`. See the Quick start section above for code examples.