Moondream: Moondream 3.1

Image input Text input Text output
Author's Description

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...

Key Specifications
Cost
$$$
Context
32K
Parameters
9B
Released
Oct 15, 2026
Speed
★★★★
Ability
★
Reliability
★
Supported Parameters

This model supports the following parameters:

Top P Reasoning Max Tokens Include Reasoning Temperature
Features

This model supports the following features:

Reasoning
Performance Summary

Moondream 3.1, a 9B parameter (2B active) vision-language model, demonstrates exceptional speed and competitive pricing. It consistently ranks among the fastest models and offers highly competitive pricing across all evaluated benchmarks. The model's performance across specific benchmarks reveals areas for improvement. In Instruction Following, Moondream 3.1 achieved 21.0% accuracy, placing it in the 19th percentile, with moderate cost and duration. Its Coding performance was 3.0% accuracy (8th percentile), indicating a significant weakness in this domain, accompanied by higher cost and duration. The Reasoning benchmark yielded 0.0% accuracy, suggesting a substantial challenge for the model in complex problem-solving tasks. While its speed and cost-effectiveness are significant strengths, the model's accuracy in instruction following, coding, and reasoning tasks is notably low, indicating these areas as key weaknesses requiring further development.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.3
Completion $2.5

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
PrimeIntellect
PrimeIntellect | moondream/moondream3.1-9b-a2b-20261013 32K $0.3 / 1M tokens $2.5 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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