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Hy3 vs Nemotron 3 Ultra (550B A55B)

Hy3 leads the LLM Stats Score 42.9 to 37.0.

Tencent · NVIDIA · Updated for 2026

Which is better?

Hy3 leads the overall LLM Stats Score 42.9 to 37.0, ranking #39 overall.

In the 7 individual benchmarks reported for both models, Hy3 wins 6; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Hy3

  • overall performance matters — it scores 42.9 and ranks #39 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 7 exact shared results
  • you want the most recent training data — it shipped Jul 2026

Choose Nemotron 3 Ultra (550B A55B)

  • you are already invested in the NVIDIA ecosystem

At a glance

The differences that matter most.

Hy3
Tencent
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
42.9
#39
37.0
#63
Reasoning
42.9
#37
36.3
#67
Coding
35.0
#27
22.1
#72
Agents
28.2
#36
13.4
#86
Cost, coverage & limits
Benchmark wins
6 of 7
1 of 7
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Hy3
Nemotron 3 Ultra (550B A55B)
Math
34.6#43
36.4#37
Tool use
23.2#39
7.4#132
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Hy3 · 26 for Nemotron 3 Ultra (550B A55B)

7 shared

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

Hy3 significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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.

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

License

Usage and distribution terms

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

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

Hy3

Apache 2.0

Open weights

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

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

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

Hy3

Jul 6, 2026

1 months ago

1mo newer
Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

2 months ago

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.

Hy3

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

Hy3
✓ Preferred
Nemotron 3 Ultra (550B A55B)
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FAQ

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

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

Hy3 leads the LLM Stats Score 42.9 to 37.0. Hy3 is made by Tencent and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

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

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

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

Key differences include LLM Stats Score (42.9 vs 37.0), licensing (Apache 2.0 vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

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

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

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