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Atria Dawn Preview vs Solar Pro 4

Atria Dawn Preview leads the LLM Stats Score 52.3 to 35.2.

Shanghai AI Laboratory · Upstage · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 35.2, ranking #10 overall.

In the 3 individual benchmarks reported for both models, Atria Dawn Preview wins 3; 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 coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Solar Pro 4

  • you want predictable pricing at $0.30/M input and $1.20/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
Solar Pro 4
Upstage
Core performance indexes
LLM Stats Score
52.3
#10
35.2
#87
Reasoning
50.5
#12
34.8
#83
Coding
36.2
#22
21.1
#90
Agents
38.8
#10
11.8
#107
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Atria Dawn Preview
Solar Pro 4
Tool use
31.1#12
11.3#113
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for Atria Dawn Preview · 9 for Solar Pro 4

3 shared

Atria Dawn Preview outperforms in 3 benchmarks (BrowseComp, Tau3 Banking, Terminal-Bench 2.1), while Solar Pro 4 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

Context Window

Maximum input and output token capacity

Only Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 tokens
Sun Sep 20 2026 • llm-stats.com

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while Solar Pro 4 uses a proprietary license.

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

Atria Dawn Preview

MIT

Open weights

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Solar Pro 4 was released on 2026-08-06.

Atria Dawn Preview is 1 month newer than Solar Pro 4.

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

1mo newer
Solar Pro 4

Aug 6, 2026

1 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 Solar Pro 4 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Solar Pro 4
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Solar Pro 4.

Which is better, Atria Dawn Preview or Solar Pro 4?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 35.2. Atria Dawn Preview is made by Shanghai AI Laboratory and Solar Pro 4 is made by Upstage. 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 Solar Pro 4 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

What are the context window sizes for Atria Dawn Preview and Solar Pro 4?

Atria Dawn Preview supports an unknown number of tokens and Solar Pro 4 supports 524K 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 Solar Pro 4?

Key differences include LLM Stats Score (52.3 vs 35.2), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Solar Pro 4?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Solar Pro 4 is developed by Upstage.

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