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Atria Dawn Preview vs Phi 4 Reasoning

Atria Dawn Preview leads the LLM Stats Score 52.3 to 12.0.

Shanghai AI Laboratory · Microsoft · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 12.0, ranking #10 overall.

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 want the most recent training data — it shipped Sep 2026

Choose Phi 4 Reasoning

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

Core performance indexes
52.3
#10
12.0
#254
50.5
#12
12.6
#243
36.2
#22
6.4
#190
Cost, coverage & limits
Benchmark wins
Input price
— / M
— / M
Output price
— / M
— / M
Context window

Individual benchmarks

12 reported for Atria Dawn Preview · 11 for Phi 4 Reasoning

No common benchmarks found

Atria Dawn Preview and Phi 4 Reasoningdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

730.0B diff

Atria Dawn Preview has 730.0B more parameters than Phi 4 Reasoning, making it 5214.3% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
Microsoft
Phi 4 Reasoning
14.0Bparameters
744.0B
Atria Dawn Preview
14.0B
Phi 4 Reasoning

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

Atria Dawn Preview

MIT

Open weights

Phi 4 Reasoning

MIT

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while Phi 4 Reasoning was released on 2025-04-30.

Atria Dawn Preview is 17 months newer than Phi 4 Reasoning.

Atria Dawn Preview

Sep 11, 2026

5 days ago

1.4yr newer
Phi 4 Reasoning

Apr 30, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning has a documented knowledge cutoff of 2025-03-01, while Atria Dawn Preview's cutoff date is not specified.

We can confirm Phi 4 Reasoning's training data extends to 2025-03-01, but cannot make a direct comparison without Atria Dawn Preview's cutoff date.

Atria Dawn Preview

Phi 4 Reasoning

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Atria Dawn Preview and Phi 4 Reasoning side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Phi 4 Reasoning
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Phi 4 Reasoning.

Which is better, Atria Dawn Preview or Phi 4 Reasoning?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 12.0. Atria Dawn Preview is made by Shanghai AI Laboratory and Phi 4 Reasoning is made by Microsoft. 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 Phi 4 Reasoning in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. Phi 4 Reasoning scores FlenQA: 97.7%, HumanEval+: 92.9%, IFEval: 83.4%, OmniMath: 76.6%, AIME 2024: 75.3%.

What are the main differences between Atria Dawn Preview and Phi 4 Reasoning?

Key differences include LLM Stats Score (52.3 vs 12.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Phi 4 Reasoning?

Atria Dawn Preview is developed by Shanghai AI Laboratory and Phi 4 Reasoning is developed by Microsoft.