Hy4 preview vs Claude Opus 5.5

Hy4 previewClaude Opus 5.5
Performance scoreNot in Arena’s top ranks1508 pts (#3)
Usage · 7 days7.82T tokens (#5)6.47T tokens (#6)
Output price$2.5 per 1M tokens$20 per 1M tokens
Input price$0.834 per 1M tokens$4 per 1M tokens
Context length1.05M tokens1M tokens
ReleasedAug 28, 2026Sep 22, 2026

Source: OpenRouter (usage Oct 13 – 19 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.