NanoGPT

Moondream 3.1 9B A2B

Name: Moondream 3.1 9B A2B
Brand: NanoGPT

Canonical ID: nano-gpt/moondream/moondream3.1-9b-a2b

More NanoGPT models More moondream3.1-9b-a2b family models

Moondream 3.1 is the successor to Moondream 3 Preview: a distinct 9B mixture-of-experts vision-language checkpoint with 2B active parameters, for visual question answering, captioning, OCR, and visual reasoning. It accepts text or one image with optional reasoning, a 32,000-token context, and up to 4,096 output tokens.

Reasoning: Yes Tool use: No

Overview

text image

Provider: NanoGPT
Family: moondream3.1-9b-a2b
Release date: 2026-10-16
Last updated: 2026-10-16
Input modalities: text, image
Output modalities: text

Pricing and Limits

Token pricing

Input: $0.3/1M
Output: $2.5/1M
Cached input: N/A

Context and output

Context window: 32,000
Max output tokens: 4,096
Qualified ID: nano-gpt/moondream/moondream3.1-9b-a2b

Model Summary

Moondream 3.1 9B A2B is a model listing in the NanoGPT provider catalog. It is categorized under the moondream3.1-9b-a2b family.

The model supports text, image modalities across input/output paths. Reported context capacity is 32,000. Pricing is listed at $0.3/1M input and $2.5/1M output.

Same Family: moondream3.1-9b-a2b

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Moondream 3.1 openrouter/moondream/moondream3.1-9b-a2b	OpenRouter	32,000	$0.3/1M	$2.5/1M	Reasoning
Moondream: Moondream 3.1 kilo/moondream/moondream3.1-9b-a2b	Kilo Gateway	32,000	$0.3/1M	$2.5/1M	Reasoning

Moondream 3.1 9B A2B

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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