Moondream

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...

Context Window
32K tokens
Parameters
9B
Input Price
$0.30/1M
Output Price
$2.50/1M
Price Tier
standard
Provider
Moondream

How to Use Moondream: Moondream 3.1

With CoreAI, you can start chatting with Moondream: Moondream 3.1 instantly — no separate subscription needed. CoreAI lets you chat with Moondream: Moondream 3.1 alongside 300+ other AI models from Moondream and other providers like OpenAI, Anthropic, Google, Meta, and more.

  1. Download the CoreAI app for iOS, Android, or use the Web App
  2. Select Moondream: Moondream 3.1 from the model selector
  3. Start chatting, comparing, or creating with AI

Moondream: Moondream 3.1 at a Glance

Measured against all 448 chat models CoreAI serves, Moondream: Moondream 3.1 sits at #431 for context capacity — 32K tokens, roughly 24,000 words or 48 pages of text in a single conversation. On price, it is the #39 cheapest of 208 standard-tier models by input cost. Released 2026-10-15, it is one of the 3 newest additions to the catalog. It supports step-by-step reasoning (thinking mode) and accepts image input.

Moondream: Moondream 3.1 Compared to Its Closest Alternatives

SpecMoondream: Moondream 3.1Moondream: Moondream 3 PreviewPerceptron: Perceptron Mk1DeepSeek: DeepSeek V4 Flash Latest
ProviderMoondreamMoondreamPerceptron~deepseek
Input $/1M tokens$0.3$0.3$0.15$0.009
Output $/1M tokens$2.5$2.5$1.5$1.28
Context window32K32K33K1.0M
Reasoning modeYesYesYesYes
Image inputYesYesYesNo
Price tierstandardstandardstandardstandard

Every model in this table is available on CoreAI — open the web app and run the same prompt through Moondream: Moondream 3.1 and Moondream: Moondream 3 Preview side by side to judge with your own eyes.

What Moondream: Moondream 3.1 Actually Costs in Practice

A typical question (about 1,000 tokens in, 500 out) runs $0.00155 on Moondream: Moondream 3.1's raw per-token rates; a heavy session with a 50K-token document costs about $0.028. On CoreAI you don't juggle these numbers — one subscription covers Moondream: Moondream 3.1 and 300+ other models under a plan usage limit, with no API keys. See plans.

More Moondream Models

Moondream

Moondream: Moondream 3 Preview

Moondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question
32K standard

Frequently Asked Questions about Moondream: Moondream 3.1

What is Moondream: Moondream 3.1's context window?

Moondream: Moondream 3.1 handles 32K tokens of context — roughly 24,000 words, or about 48 pages of text in one conversation.

How much does Moondream: Moondream 3.1 cost?

Moondream: Moondream 3.1's underlying rates are $0.3 per 1M input tokens and $2.5 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.

Can Moondream: Moondream 3.1 process images?

Yes — Moondream: Moondream 3.1 accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.

Does Moondream: Moondream 3.1 support reasoning or thinking mode?

Yes. Moondream: Moondream 3.1 can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.

How can I use Moondream: Moondream 3.1 without an API key?

Open the CoreAI web app or the iOS/Android app, pick Moondream: Moondream 3.1 in the model selector, and chat — no API key, no per-token billing. One subscription covers Moondream: Moondream 3.1 and 300+ other models.

What are the best alternatives to Moondream: Moondream 3.1?

The closest alternatives on CoreAI are Moondream: Moondream 3 Preview, Perceptron: Perceptron Mk1, DeepSeek: DeepSeek V4 Flash Latest — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.

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