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GPT OSS 120B High vs Nova 2 Pro

GPT OSS 120B High and Nova 2 Pro are closely matched at 25.5 and 31.0 on the LLM Stats Score.

OpenAI · Amazon · Updated for 2026

Which is better?

GPT OSS 120B High and Nova 2 Pro are closely matched on the overall LLM Stats Score at 25.5 and 31.0.

In the 4 individual benchmarks reported for both models, Nova 2 Pro wins 3; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT OSS 120B High

  • you need open weights you can self-host or fine-tune

Choose Nova 2 Pro

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • you want the most recent training data — it shipped Dec 2025

At a glance

The differences that matter most.

Core performance indexes
25.5
#148
31.0
#107
25.6
#141
31.0
#106
2.9
#153
12.4
#95
Cost, coverage & limits
Benchmark wins
1 of 4
3 of 4
Input price
$0.10 / M
— / M
Output price
$0.50 / M
— / M
Context window
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT OSS 120B High
Nova 2 Pro
24.1#117
26.1#99
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for GPT OSS 120B High · 18 for Nova 2 Pro

4 shared

GPT OSS 120B High outperforms in 1 benchmarks (AIME 2025), while Nova 2 Pro is better at 3 benchmarks (GPQA, IFBench, MMLU-Pro).

Nova 2 Pro shows notably better performance in the majority of benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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).

OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nova 2 Pro supports multimodal inputs, whereas GPT OSS 120B High does not.

Nova 2 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT OSS 120B High

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

GPT OSS 120B High is licensed under Apache 2.0, while Nova 2 Pro uses a proprietary license.

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

GPT OSS 120B High

Apache 2.0

Open weights

Nova 2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT OSS 120B High was released on 2025-08-05, while Nova 2 Pro was released on 2025-12-02.

Nova 2 Pro is 4 months newer than GPT OSS 120B High.

GPT OSS 120B High

Aug 5, 2025

1.1 years ago

Nova 2 Pro

Dec 2, 2025

9 months ago

3mo newer

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 GPT OSS 120B High and Nova 2 Pro side-by-side, then vote on the output you prefer.

GPT OSS 120B High
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about GPT OSS 120B High vs Nova 2 Pro.

Which is better, GPT OSS 120B High or Nova 2 Pro?

GPT OSS 120B High and Nova 2 Pro are closely matched on the LLM Stats Score at 25.5 and 31.0. GPT OSS 120B High is made by OpenAI and Nova 2 Pro is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT OSS 120B High compare to Nova 2 Pro in benchmarks?

GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%. Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%.

What are the context window sizes for GPT OSS 120B High and Nova 2 Pro?

GPT OSS 120B High supports 131K tokens and Nova 2 Pro supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT OSS 120B High and Nova 2 Pro?

Key differences include LLM Stats Score (25.5 vs 31.0), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 120B High and Nova 2 Pro?

GPT OSS 120B High is developed by OpenAI and Nova 2 Pro is developed by Amazon.