OpenRouter

Polaris Alpha

openrouter/polaris-alpha

This model was an early snapshot of GPT-5.1 with reasoning effort set to minimal. Try the official launch of GPT-5.1 [here](/openai/gpt-5.1) This is a cloaked model provided to the community to gather feedback. A powerful, general-purpose model that excels across real-world tasks, with standout performance in coding, tool calling, and instruction following. **Note:** All prompts and completions for this model are logged by the provider and may be used to improve the model.

  • Context window: 256,000 tokens
  • Input: text, image
  • Output: text

View on OpenRouter. Model data sourced from OpenRouter.