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Atria Dawn Preview vs GPT OSS 120B High

Atria Dawn Preview leads the LLM Stats Score 52.3 to 25.4.

Shanghai AI Laboratory · OpenAI · Updated for 2026

Which is better?

Atria Dawn Preview leads the overall LLM Stats Score 52.3 to 25.4, 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 agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose GPT OSS 120B High

  • you want predictable pricing at $0.10/M input and $0.50/M output

At a glance

The differences that matter most.

Atria Dawn Preview
Shanghai AI Laboratory
GPT OSS 120B High
OpenAI
Core performance indexes
LLM Stats Score
52.3
#10
25.4
#157
Reasoning
50.5
#12
25.6
#150
Agents
38.8
#10
3.0
#163
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.50 / M
Context window
—
131,072

Individual benchmarks

12 reported for Atria Dawn Preview · 7 for GPT OSS 120B High

No common benchmarks found

Atria Dawn Preview and GPT OSS 120B Highdon'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

627.2B diff

Atria Dawn Preview has 627.2B more parameters than GPT OSS 120B High, making it 537.0% larger.

Shanghai AI Laboratory
Atria Dawn Preview
744.0Bparameters
OpenAI
GPT OSS 120B High
116.8Bparameters
744.0B
Atria Dawn Preview
116.8B
GPT OSS 120B High

Context Window

Maximum input and output token capacity

Only GPT OSS 120B High specifies input context (131,072 tokens). Only GPT OSS 120B High specifies output context (131,072 tokens).

Shanghai AI Laboratory
Atria Dawn Preview
Input- tokens
Output- tokens
OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
Thu Sep 17 2026 • llm-stats.com

License

Usage and distribution terms

Atria Dawn Preview is licensed under MIT, while GPT OSS 120B High uses Apache 2.0.

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

Atria Dawn Preview

MIT

Open weights

GPT OSS 120B High

Apache 2.0

Open weights

Release Timeline

When each model was launched

Atria Dawn Preview was released on 2026-09-11, while GPT OSS 120B High was released on 2025-08-05.

Atria Dawn Preview is 13 months newer than GPT OSS 120B High.

Atria Dawn Preview

Sep 11, 2026

5 days ago

1.1yr newer
GPT OSS 120B High

Aug 5, 2025

1.1 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 GPT OSS 120B High side-by-side, then vote on the output you prefer.

Atria Dawn Preview
✓ Preferred
GPT OSS 120B High
Open in Playground

FAQ

Common questions about Atria Dawn Preview vs GPT OSS 120B High.

Which is better, Atria Dawn Preview or GPT OSS 120B High?

Atria Dawn Preview leads the LLM Stats Score 52.3 to 25.4. Atria Dawn Preview is made by Shanghai AI Laboratory and GPT OSS 120B High is made by OpenAI. 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 GPT OSS 120B High in benchmarks?

Atria Dawn Preview scores DeepSearchQA: 96.0%, BrowseComp: 92.5%, CyberGym: 86.5%, MLE-Bench Lite: 86.2%, WideSearch: 81.9%. GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%.

What are the context window sizes for Atria Dawn Preview and GPT OSS 120B High?

Atria Dawn Preview supports an unknown number of tokens and GPT OSS 120B High supports 131K 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 GPT OSS 120B High?

Key differences include LLM Stats Score (52.3 vs 25.4), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Atria Dawn Preview and GPT OSS 120B High?

Atria Dawn Preview is developed by Shanghai AI Laboratory and GPT OSS 120B High is developed by OpenAI.

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