Free Models Router

What is 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...

Specifications

• Developer: OpenRouter
• Context window: 200K tokens
• Max output: — tokens
• Input modalities: text, image
• Output modalities: text
• Input price: Free per 1M tokens
• Output price: Free per 1M tokens
• Knowledge cutoff: —
• Supported parameters: frequency_penalty, include_reasoning, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Use Free Models Router with PromptLayer

PromptLayer lets teams manage, evaluate, and observe prompts that run on Free Models Router alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.

Ready to try it yourself? Sign up for PromptLayer and start managing your prompts in minutes.