Hy4 preview vs Nemotron 3 Ultra (550B A55B): Specs & Benchmark Comparison

CharacteristicHy4 previewNemotron 3 Ultra (550B A55B)
CompanyTencentNVIDIA
Release DateAugust 28, 2026June 4, 2026
Parameters770B550B
MultimodalNoNo
Average Score0.60.6
Benchmarks
Terminal-Bench 2.10.90.6
SWE-bench Multilingual0.80.7
CritPT0.20.0
GPQA0.90.9

Visual Benchmark Comparison

Hy4 preview
Nemotron 3 Ultra (550B A55B)
Terminal-Bench 2.10.9 vs 0.6
0.9
0.6
SWE-bench Multilingual0.8 vs 0.7
0.8
0.7
CritPT0.2 vs 0.0
0.2
0.0
GPQA0.9 vs 0.9
0.9
0.9

Verdict

Hy4 preview leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Hy4 preview — 0.6, Nemotron 3 Ultra (550B A55B) — 0.6.

Recency

Hy4 preview is newer: released 8/28/2026 vs 6/4/2026.

More About These Models

Related Comparisons

Frequently Asked Questions

Which is better for coding — Hy4 preview or Nemotron 3 Ultra (550B A55B)?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Hy4 preview or Nemotron 3 Ultra (550B A55B)?
API pricing data is available on the individual model pages.
Which has a larger context window — Hy4 preview or Nemotron 3 Ultra (550B A55B)?
Context window data is available on the individual model pages.

The Hy4 preview and Nemotron 3 Ultra (550B A55B) comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Hy4 preview or Nemotron 3 Ultra (550B A55B) page. See also the complete list of AI model comparisons.