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Nemotron 3 Ultra vs Hy4 preview

For a typical chat reply (2,000 tokens in, 400 out), Hy4 preview costs 1.2× as much as Nemotron 3 Ultra: $2.67 against $2.16 per 1,000 requests at list price on 2026-09-28.

Nemotron 3 UltraHy4 preview
Input, per 1M tokens$0.60$0.834
Output, per 1M tokens$2.40$2.50
Context window262K1.05M
Classification or routing (600 tokens in, 10 out), per 1,000$0.384$0.525
Chat reply (2,000 in, 400 out), per 1,000$2.16$2.67
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$6.00$7.92
Confidence signalnono
Tool callingyesyes

Which one should carry your traffic?

If Nemotron 3 Ultra answers your requests as well as Hy4 preview, moving that traffic saves 19% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Nemotron 3 Ultra does not expose a confidence signal through OpenRouter, so Gimbix would test it as a full replacement rather than a first answer.

Nemotron 3 Ultra profile · Hy4 preview profile · Measure it on your traffic