Moondream

Moondream 3.1

$0.30 per 1M input tokens and $2.50 per 1M output tokens · 32K context · vision, reasoning, open weights.

Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026

$0.30
input / 1M tokens
$2.50
output / 1M tokens
32K
context window
4K
max output

What Moondream 3.1 costs per month

Estimated monthly bill for typical workloads. Try your own numbers in the cost calculator.

WorkloadPer month
Customer chatbot
1,000 conversations a day, 8 turns each
$318
Document Q&A (RAG)
500 questions a day over retrieved documents
$45.75
Coding / tool-using agent
200 tasks a day, long tool-heavy contexts
$168
Content generation
30 long articles a day
$6.43
Classification / extraction
100,000 short items a day
$383

Price history

We started tracking Moondream 3.1 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.

Cheaper alternatives to Moondream 3.1

Models with the same image input for at least 20% less (3:1 input/output mix), most capable first.

Cheaper alternatives to Moondream 3.1
Model Input / 1M Output / 1M Context Capabilities
MiMo-V2.6-Pro
Xiaomi
$0.435 $0.87 1.05M visionaudiotoolsreasoningJSONopen weights
Claude Haiku 5.5
Anthropic
$0.10 $0.50 1M visiontoolsreasoningJSON
GLM 5.3 Flash
Z.ai
$0.041 $0.12 1.05M visiontoolsreasoningJSONopen weights
$0.30 $1.20 1.05M visiontoolsreasoningJSONopen weights
GPT-6 Luna
OpenAI
$0.10 $0.50 1.05M visiontoolsreasoningJSON

How to pay less for Moondream 3.1

For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $318 a month at list price without caching:

OptionPer monthYou save
Move to MiMo-V2.6-Pro (similar capabilities)$136$182 (57%)

Other workloads: cut-your-bill tool for Moondream 3.1.

Specifications

Model IDmoondream/moondream3.1-9b-a2b
Inputtext, image
Outputtext
Tool callingNo
Structured outputNo
Reasoning modeYes
Open weightsYes — moondream/moondream3.1-9B-A2B
ReleasedOct 15, 2026

FAQ

How much does Moondream 3.1 cost?
$0.30 per million input tokens and $2.50 per million output tokens. Prices as of Oct 21, 2026.
What is the context window of Moondream 3.1?
32K tokens, with up to 4K output tokens per response.
Does Moondream 3.1 support images, tools and structured output?
Images as input: yes. Tool calling: no. Structured (JSON) output: no. Reasoning mode: yes.
What are cheaper alternatives to Moondream 3.1?
Models with the same key capabilities for at least 20% less include MiMo-V2.6-Pro ($0.435 / $0.87), Claude Haiku 5.5 ($0.10 / $0.50), GLM 5.3 Flash ($0.041 / $0.12).

More from Moondream: all Moondream models · how we collect prices