Home / Compare / Claude Opus 5.5 vs Hy4 preview

Claude Opus 5.5 vs Hy4 preview

For a typical chat reply (2,000 tokens in, 400 out), Claude Opus 5.5 costs 6.0× as much as Hy4 preview: $16.00 against $2.67 per 1,000 requests at list price on 2026-09-28.

Claude Opus 5.5Hy4 preview
Input, per 1M tokens$4.00$0.834
Output, per 1M tokens$20.00$2.50
Context window1M1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$2.60$0.525
Chat reply (2,000 in, 400 out), per 1,000$16.00$2.67
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$42.00$7.92
Confidence signalnono
Tool callingyesyes
BANKING77, correct of 400354not measured

Which one should carry your traffic?

If Hy4 preview answers your requests as well as Claude Opus 5.5, moving that traffic saves 83% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Hy4 preview does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Claude Opus 5.5 profile · Hy4 preview profile · Measure it on your traffic