Free Models Router

Free Models Router is an OpenRouter offering that accepts both text and image inputs across a 200,000-token context window. It supports tool use and reasoning, which makes it capable of multi-step and agentic workflows. Structured output support is unconfirmed, so developers who depend on guaranteed JSON schemas should verify compatibility before building against it. No maximum completion token limit is documented, which adds some uncertainty when planning for long-form outputs. The cost is zero for both input and output tokens, making it a practical starting point for prototyping, high-volume experimentation, or budget-constrained projects. The tradeoff is transparency: there is no independent benchmark coverage to consult, so its quality relative to paid alternatives is unproven. Teams that need documented performance on specific tasks should treat this as an exploratory option rather than a production baseline until more evaluation data is available.