How is 3 Preview billed?

Input is $0.390 and output is $3.25 per million tokens; cached input is $0.195. The charge for every request is listed in Usage Logs in the console.

How long is the context window?

32K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.

Does it support streaming?

Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.

Community: 3 Preview

moondream3-preview

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3 Preview costs $0.390 per million input tokens and $3.25 per million output tokens, supports 32K context, and is available through the OpenAI-compatible API.

3 Preview is the original 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.

Modalities

Text + Image → Text

Input / output price

$0.390 / $3.25 per 1M

Context

32K · max output 4K

Capabilities

ReasoningVision

Pricing

Billed per token actually used and deducted from your credits.

Item	USD per 1M tokens
Input	$0.390
Output	$3.25
Cached input	$0.195

Calculator

Drag the sliders to estimate what this model will cost.

Input per request 3K tokensOutput per request 800 tokensRequests per day 500Cached input 0%(higher with long chats or a fixed system prompt)

Per request: $0.00377
Per day: $1.89
Per month (30 days): $56.55

3 Preview: input $0.39/M · output $3.25/M · cached input $0.195/M

Request with these settings

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "moondream3-preview", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to moondream3-preview.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "moondream3-preview",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is 3 Preview billed?: Input is $0.390 and output is $3.25 per million tokens; cached input is $0.195. The charge for every request is listed in Usage Logs in the console.
How long is the context window?: 32K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?: Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.

Pricing

Calculator

Code samples

Parameters

Related models

FAQ