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Atria Dawn Preview vs Hy3

Atria Dawn Preview leads the LLM Stats Score 52.3 to 43.2.

Shanghai AI Laboratory · Tencent · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 43.2, ranking #10 overall.

In the 6 individual benchmarks reported for both models, Atria Dawn Preview 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 Atria Dawn Preview

  • overall performance matters — it scores 52.3 and ranks #10 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 6 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose Hy3

  • you want predictable pricing at $0.14/M input and $0.58/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Hy3
Tencent
Core performance indexes
LLM Stats Score
52.3
#10
43.2
#41
Reasoning
50.5
#12
43.1
#42
Coding
36.2
#22
33.2
#35
Agents
38.8
#10
27.2
#44
Cost, coverage & limits
Benchmark wins
6 of 6
0 of 6
Input price
— / M
$0.14 / M
Output price
— / M
$0.58 / M
Context window
—
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Atria Dawn Preview
Hy3
Tool use
31.1#12
21.4#50
Research
36.1#1
25.5#12
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 31 for Hy3

6 shared

Atria Dawn Preview outperforms in 6 benchmarks (BrowseComp, DeepSearchQA, SkillsBench, SWE-Bench Pro, Terminal-Bench 2.1, WideSearch), while Hy3 is better at 0 benchmarks.

Atria Dawn Preview significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

449.0B diff

Atria Dawn Preview has 449.0B more parameters than Hy3, making it 152.2% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Tencent
Hy3
295.0Bparameters
744.0B
Atria Dawn Preview
295.0B
Hy3

Context Window

Maximum input and output token capacity

Only Hy3 specifies input context (262,144 tokens). Only Hy3 specifies output context (262,144 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Tencent
Hy3
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Hy3 uses Apache 2.0.

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

Atria Dawn Preview

MIT

Open weights

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Hy3 was released on 2026-07-06.

Atria Dawn Preview is 2 months newer than Hy3.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

2mo newer
Hy3

Jul 6, 2026

2 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Atria Dawn Preview and Hy3 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Hy3
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Hy3.

Which is better, Atria Dawn Preview or Hy3?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 43.2. Atria Dawn Preview is made by Shanghai AI Laboratory and Hy3 is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Atria Dawn Preview compare to Hy3 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

What are the context window sizes for Atria Dawn Preview and Hy3?

Atria Dawn Preview supports an unknown number of tokens and Hy3 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Atria Dawn Preview and Hy3?

Key differences include LLM Stats Score (52.3 vs 43.2), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Hy3?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Hy3 is developed by Tencent.

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