Author's Description
This is a cloaked model provided to the community to gather feedback. Note: It’s free to use during this testing period, and prompts and completions are logged by the model creator for feedback and training.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
Horizon Alpha, a cloaked model from openrouter, demonstrates strong overall performance during its testing period. It consistently ranks among the fastest models, achieving the 83rd percentile in speed across six benchmarks. While no cost data is available, suggesting potential free tier usage, its performance across benchmarks frequently highlights exceptional cost efficiency. The model exhibits outstanding reliability, achieving a perfect 100th percentile, indicating minimal technical failures and consistent response delivery. Across benchmark categories, Horizon Alpha excels in Coding (97.0% accuracy, 100th percentile) and Ethics (100.0% accuracy), often leading in accuracy and cost efficiency. It also shows strong capabilities in General Knowledge (99.5% accuracy) and Instruction Following (84.0% accuracy). Its primary area for improvement appears to be Reasoning, where it achieved 66.0% accuracy, placing it in the 61st percentile. Overall, Horizon Alpha presents as a highly reliable and fast model with exceptional performance in specific domains, offering significant value, particularly given its current free usage.
Model Pricing
Current Pricing
Feature | Price (per 1M tokens) |
---|---|
Prompt | $0 |
Completion | $0 |
Price History
Available Endpoints
Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
---|---|---|---|---|
Stealth
|
Stealth | openrouter/horizon-alpha | 256K | $0 / 1M tokens | $0 / 1M tokens |
Benchmark Results
Benchmark | Category | Reasoning | Free | Executions | Accuracy | Cost | Duration |
---|
Other Models by openrouter
|
Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
Horizon Beta Unavailable | Aug 01, 2025 | — | 256K |
Text input
Image input
Text output
|
★★★★★ | ★★★★ | $ |
Auto Router Unavailable | Nov 07, 2023 | — | N/A |
Text input
Text output
|
— | — | $ |