Atria Dawn Preview vs Ember-1: Specs & Benchmark Comparison
Atria Dawn Preview is developed by Shanghai AI Laboratory, while Ember-1 comes from Fireworks AI. Both were released in September 2026. Ember-1 is the larger model at roughly 2.8 trillion parameters, against 744 billion for Atria Dawn Preview.
We have 12 benchmark results for Atria Dawn Preview and 4 benchmark results for Ember-1, but they overlap on a single test: Terminal-Bench 2.1, where Ember-1 scores 82.0% against 78.3%.
Ember-1 is available through an API at $3 per million input tokens with a 1M-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 | Ember-1 |
|---|---|---|
| Company | Shanghai AI Laboratory | Fireworks AI |
| Release Date | September 11, 2026 | September 23, 2026 |
| Parameters | 744B | 2.8T |
| Multimodal | No | No |
| Context (input) | — | 1.0M |
| Input Price / 1M | — | $3.00 |
| Output Price / 1M | — | $15.00 |
| Average Score | 72.7% | 78.8% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 78.3% | 82.0% |
Visual Benchmark Comparison
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: Atria Dawn Preview — 0.7, Ember-1 — 0.8.
Both models were released around the same time: 9/11/2026 and 9/23/2026.
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Frequently Asked Questions
Which is better for coding — Atria Dawn Preview or Ember-1?
Which model is cheaper — Atria Dawn Preview or Ember-1?
Which has a larger context window — Atria Dawn Preview or Ember-1?
The Atria Dawn Preview and Ember-1 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 Ember-1 page. See also the complete list of AI model comparisons.