Moondream: Moondream 3.1

Name: Moondream: Moondream 3.1
Author: OpenRouter

9B / 2B

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).

Context

32K

Max output

Input price

$0.3/1M tokens

Output price

$2.5/1M tokens

Capabilities

Show unsupported (7)

Reasoning & Interaction

Reasoning

Details

Model IDmoondream/moondream3.1-9b-a2b

ProviderOpenRouter

Creatormoondream

Family—

License—

Status—

Type—

Input modalitiestext, image

Output modalitiestext

Open weight—

Parameters9B / 2B

Architecture—

Context window32K tokens

Max input—

Max output4K tokens

Reasoning tokens—

Knowledge cutoff—

Release date2026-10-15

Sourceofficial

Pricing

Input

$0.3

Output

$2.5

Cache write

—

Cache read

—

Batch in

—

Batch out

—

API

GET/v1/models/openrouter/moondream/moondream3.1-9b-a2b