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Flash — fastest and cheapest, lighter reasoningOpen Weights
Moondream 3.1 Pricing
Moondream · moondream-moondream3-1-9b-a2b
Input / 1M tokens
$0.300
Output / 1M tokens
$2.50
Context window
32k tokens
≈ 43 pages of text
Max output
4,096 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0014
1,000 requests / month$1.36/mo10,000 requests / month$13.60/mo100,000 requests / month$136.00/moEstimate your own workloadOpens the calculator with Moondream 3.1 preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Low-cost inference for basic image captioning, OCR, and simple visual QA; open weights enable local or edge deployment.
The business tradeoff
Small scale restricts performance on complex multi-step reasoning, high-resolution images, or domain-specific visual tasks.
Head-to-head
Vendor list rates, as of Oct 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.