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OpenRouter

Molmo2 8B (free) API

OpenRouter
About

Build advanced reasoning agents with Molmo2 8B (free), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, open weights architecture. Access Molmo2 8B (free) via the OpenRouter API with up to 37K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
No
Tool Use
No
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
37K

Tokens

Input Limit
37K

Tokens

Max Output
37K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Molmo2 8B (free) by OpenRouter costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
allenai/molmo-2-8b:free
Provider
OpenRouter
Family
allenai
Release Date
Jan 9, 2026
Knowledge Cutoff
Jun 1, 2025
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1
Documentation