The AI arena is free today

Open Superagent

Atria Dawn Preview vs Phi 4 Reasoning Plus

Atria Dawn Preview leads the LLM Stats Score 52.3 to 15.0.

Shanghai AI Laboratory · Microsoft · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 15.0, 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 Plus

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

Core performance indexes
52.3
#10
15.0
#231
50.5
#12
15.4
#224
36.2
#22
5.7
#196
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 Plus

No common benchmarks found

Atria Dawn Preview and Phi 4 Reasoning Plusdon'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 Plus, making it 5214.3% larger.

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

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 Plus

MIT

Open weights

Release Timeline

When each model was launched

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

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

Atria Dawn Preview

Sep 11, 2026

1 weeks ago

1.4yr newer
Phi 4 Reasoning Plus

Apr 30, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus 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 Plus'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 Plus

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 Plus side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs Phi 4 Reasoning Plus.

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

Atria Dawn Preview leads the LLM Stats Score 52.3 to 15.0. Atria Dawn Preview is made by Shanghai AI Laboratory and Phi 4 Reasoning Plus 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 Plus 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 Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

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

Key differences include LLM Stats Score (52.3 vs 15.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and Phi 4 Reasoning Plus?

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