Atria Dawn Preview vs Solar Pro 4: Specs & Benchmark Comparison
Atria Dawn Preview is developed by Shanghai AI Laboratory, while Solar Pro 4 comes from Upstage. Solar Pro 4 was released in August 2026, and Atria Dawn Preview followed a month later in September 2026. Atria Dawn Preview has a published size of about 744 billion parameters; Upstage has not disclosed the parameter count of Solar Pro 4.
The two models share 3 published benchmarks. Atria Dawn Preview leads on 3 of them. The widest gaps are on BrowseComp, where Atria Dawn Preview scores 92.5% against 49.2%; Terminal-Bench 2.1, where Atria Dawn Preview scores 78.3% against 57.0%. Averaged across everything we track, Atria Dawn Preview sits at 72.7% and Solar Pro 4 at 69.9%.
Solar Pro 4 is available through an API at $0.30 per million input tokens with a 524K-token context window. We do not track a hosted API for Atria Dawn Preview, so pricing and context cannot be compared directly.
| Characteristic | Atria Dawn Preview | Solar Pro 4 |
|---|---|---|
| Company | Shanghai AI Laboratory | Upstage |
| Release Date | September 11, 2026 | August 6, 2026 |
| Parameters | 744B | — |
| Multimodal | No | No |
| Context (input) | — | 524K |
| Context (output) | — | 131K |
| Input Price / 1M | — | $0.30 |
| Output Price / 1M | — | $1.20 |
| Average Score | 72.7% | 69.9% |
| Benchmarks | ||
| BrowseComp | 92.5% | 49.2% |
| Terminal-Bench 2.1 | 78.3% | 57.0% |
| Tau3 Banking | 41.2% | 23.0% |
Visual Benchmark Comparison
Verdict
Atria Dawn Preview leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Atria Dawn Preview — 0.7, Solar Pro 4 — 0.7.
Atria Dawn Preview is newer: released 9/11/2026 vs 8/6/2026.
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Frequently Asked Questions
Which is better for coding — Atria Dawn Preview or Solar Pro 4?
Which model is cheaper — Atria Dawn Preview or Solar Pro 4?
Which has a larger context window — Atria Dawn Preview or Solar Pro 4?
The Atria Dawn Preview and Solar Pro 4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Atria Dawn Preview or Solar Pro 4 page. See also the complete list of AI model comparisons.