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

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Horizon Alpha

openrouter/horizon-alpha

This was a cloaked model provided to the community to gather feedback. It has been deprecated - see Horizon Beta.

Note: It’s free to use during this testing period, and prompts and completions are logged by the model creator for feedback and training.

Modalities

Context

256K

Released

Jul 30, 2025

About Horizon Alpha

OpenRouter makes Horizon Alpha by OpenRouter available through a unified, OpenAI-compatible API using the model ID openrouter/horizon-alpha.

Horizon Alpha accepts images and text and returns text. It has a 256,000-token context window.

It was released on July 30, 2025.

Frequently asked questions

This was a cloaked model provided to the community to gather feedback. It has been deprecated - see Horizon Beta. Note: It’s free to use during this testing period, and prompts and completions are logged by the model creator for feedback and training.

Horizon Alpha has a 256,000 token context window.

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

Horizon Alpha was released on July 30, 2025.

ActivityFAQ

Activity

Token volume and request traffic to this model over time.