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Atria Dawn Preview vs DeepSeek-V2.5

Atria Dawn Preview leads the LLM Stats Score 52.3 to 8.1.

Shanghai AI Laboratory · DeepSeek · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 8.1, 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 DeepSeek-V2.5

  • you want predictable pricing at $0.14/M input and $0.28/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
DeepSeek-V2.5
DeepSeek
Core performance indexes
LLM Stats Score
52.3
#10
8.1
#281
Reasoning
50.5
#12
8.2
#277
Coding
36.2
#22
6.3
#191
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.14 / M
Output price
— / M
$0.28 / M
Context window
—
8,192

Individual benchmarks

12 reported for Atria Dawn Preview · 15 for DeepSeek-V2.5

No common benchmarks found

Atria Dawn Preview and DeepSeek-V2.5don'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

508.0B diff

Atria Dawn Preview has 508.0B more parameters than DeepSeek-V2.5, making it 215.3% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
DeepSeek
DeepSeek-V2.5
236.0Bparameters
744.0B
Atria Dawn Preview
236.0B
DeepSeek-V2.5

Context Window

Maximum input and output token capacity

Only DeepSeek-V2.5 specifies input context (8,192 tokens). Only DeepSeek-V2.5 specifies output context (8,192 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
Tue Sep 15 2026 • llm-stats.com

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while DeepSeek-V2.5 uses deepseek.

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

Atria Dawn Preview

MIT

Open weights

DeepSeek-V2.5

deepseek

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while DeepSeek-V2.5 was released on 2024-05-08.

Atria Dawn Preview is 29 months newer than DeepSeek-V2.5.

Atria Dawn Preview

Sep 11, 2026

4 days ago

2.3yr newer
DeepSeek-V2.5

May 8, 2024

2.4 years 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 DeepSeek-V2.5 side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
DeepSeek-V2.5
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs DeepSeek-V2.5.

Which is better, Atria Dawn Preview or DeepSeek-V2.5?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 8.1. Atria Dawn Preview is made by Shanghai AI Laboratory and DeepSeek-V2.5 is made by DeepSeek. 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 DeepSeek-V2.5 in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%.

What are the context window sizes for Atria Dawn Preview and DeepSeek-V2.5?

Atria Dawn Preview supports an unknown number of tokens and DeepSeek-V2.5 supports 8K 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 DeepSeek-V2.5?

Key differences include LLM Stats Score (52.3 vs 8.1), licensing (MIT vs deepseek). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and DeepSeek-V2.5?

Atria Dawn Preview is developed by Shanghai AI Laboratory and DeepSeek-V2.5 is developed by DeepSeek.

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