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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

All prompts and completions for this model are logged by the provider and may be used to improve the model.

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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

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.

Modalities
Context
256K
Released
Nov 6, 2025
ActivityFAQExplore

Activity

Token volume and request traffic to this model over time.

Not currently available through EU in-region routing. In-region routing docs

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Frequently asked questions

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 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.

Polaris Alpha has a 256,000 token context window.

Polaris Alpha accepts text and images as input and returns text.

Polaris Alpha was released on November 6, 2025.