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    13. © 2025 OpenRouter, Inc

    Horizon Alpha

    openrouter/horizon-alpha

    Created Jul 30, 2025256,000 context

    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.

    Providers for Horizon Alpha

    OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.