FAST & FRUGAL · Moondream

Moondream 3.1

Moondream 3.1 is a reasoning model from Moondream in the Moondream family, living in Silvergrass Fields (fast & frugal). It reads text and images and writes text, with a 32K-token context window and up to 4K tokens of output. On OpenRouter it costs $0.300 per million input tokens and $2.50 per million output tokens.

See Moondream 3.1 in 3D Open in the Worktable View on OpenRouter

Specifications

Provider: Moondream
Family: Moondream
Province: Silvergrass Fields
Context window: 32K tokens
Maximum output: 4K tokens
Input / 1M tokens: $0.300
Output / 1M tokens: $2.50
Accepts: text, images
Produces: text
Reasoning: Yes
Tool use: No
Added to OpenRouter: 2026-10-15
Model ID: moondream/moondream3.1-9b-a2b
Price history: —All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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