Hy4 preview vs Nemotron 3.5 Lightning (30B A3B): Specs & Benchmark Comparison
Hy4 preview is developed by Tencent, while Nemotron 3.5 Lightning (30B A3B) comes from NVIDIA. Both were released in August 2026. Hy4 preview is the larger model at roughly 770 billion parameters, against 30 billion for Nemotron 3.5 Lightning (30B A3B).
The two models share 3 published benchmarks. Hy4 preview leads on 3 of them. The widest gaps are on Terminal-Bench 2.1, where Hy4 preview scores 85.4% against 24.6%; SWE-bench Multilingual, where Hy4 preview scores 82.9% against 39.3%. Averaged across everything we track, Hy4 preview sits at 58.7% and Nemotron 3.5 Lightning (30B A3B) at 45.3%.
Nemotron 3.5 Lightning (30B A3B) is available through an API at $0.05 per million input tokens with a 262K-token context window. We do not track a hosted API for Hy4 preview, so pricing and context cannot be compared directly.
| Characteristic | Hy4 preview | Nemotron 3.5 Lightning (30B A3B) |
|---|---|---|
| Company | Tencent | NVIDIA |
| Release Date | August 28, 2026 | August 11, 2026 |
| Parameters | 770B | 30B |
| Multimodal | No | No |
| Context (input) | — | 262K |
| Context (output) | — | 262K |
| Input Price / 1M | — | $0.05 |
| Output Price / 1M | — | $0.20 |
| Average Score | 58.7% | 45.3% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 85.4% | 24.6% |
| SWE-bench Multilingual | 82.9% | 39.3% |
| GPQA | 92.3% | 75.0% |
Visual Benchmark Comparison
Verdict
Hy4 preview leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Hy4 preview — 0.6, Nemotron 3.5 Lightning (30B A3B) — 0.5.
Hy4 preview is newer: released 8/28/2026 vs 8/11/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Hy4 preview or Nemotron 3.5 Lightning (30B A3B)?
Which model is cheaper — Hy4 preview or Nemotron 3.5 Lightning (30B A3B)?
Which has a larger context window — Hy4 preview or Nemotron 3.5 Lightning (30B A3B)?
The Hy4 preview and Nemotron 3.5 Lightning (30B A3B) 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 3.5 Lightning (30B A3B) page. See also the complete list of AI model comparisons.