Model Comparison

Nemotron 3 Ultra (550B A55B) vs Hy3Which is better in 2026?

Hy3 significantly outperforms across most benchmarks.

Verdict: Nemotron 3 Ultra (550B A55B) vs Hy3 — which is better?

Nemotron 3 Ultra (550B A55B) (by NVIDIA) and Hy3 (by Tencent) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Nemotron 3 Ultra (550B A55B) outperforms in 1 benchmarks (IMO-AnswerBench), while Hy3 is better at 6 benchmarks (AA-LCR, BrowseComp, GPQA, SWE-bench Multilingual, SWE-Bench Verified, Terminal-Bench 2.1). Hy3 significantly outperforms across most benchmarks.

Choose Nemotron 3 Ultra (550B A55B) if…

  • you are already invested in the NVIDIA ecosystem

Choose Hy3 if…

  • you want the strongest raw capability — it leads on 6 of 7 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Nemotron 3 Ultra (550B A55B) outperforms in 1 benchmarks (IMO-AnswerBench), while Hy3 is better at 6 benchmarks (AA-LCR, BrowseComp, GPQA, SWE-bench Multilingual, SWE-Bench Verified, Terminal-Bench 2.1).

Hy3 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

255.0B diff

Nemotron 3 Ultra (550B A55B) has 255.0B more parameters than Hy3, making it 86.4% larger.

NVIDIA
Nemotron 3 Ultra (550B A55B)
550.0Bparameters
Tencent
Hy3
295.0Bparameters
550.0B
Nemotron 3 Ultra (550B A55B)
295.0B
Hy3

License

Usage and distribution terms

Nemotron 3 Ultra (550B A55B) is licensed under OpenMDW License v1.1, while Hy3 uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Nemotron 3 Ultra (550B A55B) was released on 2026-06-04, while Hy3 was released on 2026-07-06.

Hy3 is 1 month newer than Nemotron 3 Ultra (550B A55B).

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

1 months ago

Hy3

Jul 6, 2026

1 weeks ago

1mo newer

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Hy3's cutoff date is not specified.

We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without Hy3's cutoff date.

Nemotron 3 Ultra (550B A55B)

Sep 2025

Hy3

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

NVIDIA
Higher IMO-AnswerBench score (92.3% vs 90.0%)
Tencent
Higher AA-LCR score (73.4% vs 65.4%)
Higher BrowseComp score (84.2% vs 44.4%)
Higher GPQA score (90.4% vs 87.0%)
Higher SWE-bench Multilingual score (75.8% vs 67.7%)
Higher SWE-Bench Verified score (78.0% vs 70.7%)
Higher Terminal-Bench 2.1 score (71.7% vs 56.4%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Nemotron 3 Ultra (550B A55B) and Hy3 side-by-side, then vote on the output you prefer.

Nemotron 3 Ultra (550B A55B)
✓ Preferred
Hy3
Open in Playground
AI Model Comparison Table
Feature
NVIDIA
Nemotron 3 Ultra (550B A55B)
Tencent
Hy3

FAQ

Common questions about Nemotron 3 Ultra (550B A55B) vs Hy3.

Which is better, Nemotron 3 Ultra (550B A55B) or Hy3?

Hy3 significantly outperforms across most benchmarks. Nemotron 3 Ultra (550B A55B) is made by NVIDIA and Hy3 is made by Tencent. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Nemotron 3 Ultra (550B A55B) compare to Hy3 in benchmarks?

Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

What are the main differences between Nemotron 3 Ultra (550B A55B) and Hy3?

Key differences include licensing (OpenMDW License v1.1 vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Nemotron 3 Ultra (550B A55B) and Hy3?

Nemotron 3 Ultra (550B A55B) is developed by NVIDIA and Hy3 is developed by Tencent.

Related comparisons