openrouter

Free Models Router

The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for models that support features needed for your request such as image understanding, tool calling, structured outputs and more.

Input Cost
Free
per 1M tokens
Output Cost
Free
per 1M tokens
Context Window
200,000
tokens
Compare vs GPT-4o
Developer ID: openrouter/free

Related Models

openrouter
$-1,000,000.00/1M

Body Builder (beta)

Transform your natural language requests into structured OpenRouter API request objects. D...

📝 128,000 ctx Compare →
openrouter
$-1,000,000.00/1M

Auto Router

Your prompt will be processed by a meta-model and routed to one of dozens of models (see b...

📝 2,000,000 ctx Compare →
openai
$1.75/1M

OpenAI: GPT-5.2-Codex

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering a...

📝 400,000 ctx Compare →