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 exceptional performance across various benchmarks, particularly excelling in reliability and speed. It consistently ranks among the fastest models, achieving the 83rd percentile in speed across five benchmarks. While specific cost data is unavailable, its performance suggests it operates within a free tier during this testing period, offering significant value. The model boasts a perfect 100% success rate across all benchmarks, indicating outstanding reliability with no technical failures. In terms of specific performance, Horizon Alpha achieved near-perfect accuracy in Ethics (100%) and General Knowledge (99.5%), securing top positions in accuracy and cost efficiency for these categories. It also showed remarkable proficiency in Coding, reaching 97.0% accuracy and ranking #1 in cost efficiency and among the top 3 in accuracy. Its Instruction Following capabilities are strong at 84.0% accuracy, also leading in cost efficiency. The Email Classification benchmark saw a respectable 98.0% accuracy. Key strengths include its unparalleled reliability, high accuracy in critical domains like ethics and coding, and impressive speed. No significant weaknesses are apparent from the provided data.
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 | Strategy | Free | Executions | Accuracy | Cost | Duration |
---|
Other Models by openrouter
|
Released | Params | Context |
|
Speed | Ability | Cost |
---|---|---|---|---|---|---|---|
Sonoma Dusk Alpha Unavailable | Sep 05, 2025 | — | 2M |
Text input
Image input
Text output
|
★★★★★ | ★★★ | $ |
Sonoma Sky Alpha Unavailable | Sep 05, 2025 | — | 2M |
Text input
Image input
Text output
|
★★ | ★★★★★ | $ |
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
|
— | — | $ |