Horizon Beta

Horizon Beta, an openrouter model released on August 1, 2025, demonstrates strong overall performance, particularly excelling in speed and reliability. It consistently performs among the fastest models, ranking in the 79th percentile across five benchmarks. Currently offered free of charge during its testing phase, its price competitiveness cannot be fully assessed, though its present availability at no cost offers exceptional value. The model exhibits outstanding reliability, achieving a 100% success rate across all benchmarks, indicating a highly stable and dependable system. In terms of specific capabilities, Horizon Beta shows remarkable proficiency in General Knowledge and Ethics, achieving perfect 100% accuracy in both categories. Its General Knowledge performance is particularly noteworthy, ranking #1 in accuracy and cost efficiency, and being the most accurate among models of comparable speed. The model also performs exceptionally well in Coding, with 95.0% accuracy, placing it in the 97th percentile and among the top 3 for cost efficiency. While its Instruction Following accuracy is solid at 77.9% (90th percentile), its Email Classification accuracy of 98.0% is respectable but places it in the 69th percentile, suggesting a potential area for minor refinement compared to its other stellar performances. Overall, Horizon Beta's key strengths lie in its high accuracy across complex knowledge domains, robust coding capabilities, and exceptional reliability and speed.