Model Comparison

Nova 2 Pro vs o4-miniWhich is better in 2026?

Nova 2 Pro has a slight edge in benchmark performance.

Verdict: Nova 2 Pro vs o4-mini — which is better?

Nova 2 Pro (by Amazon) and o4-mini (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Nova 2 Pro outperforms in 2 benchmarks (Multi-Challenge, SWE-Bench Verified), while o4-mini is better at 1 benchmark (AIME 2025). Nova 2 Pro has a slight edge in benchmark performance.

Choose Nova 2 Pro if…

  • you want the most recent training data — it shipped Dec 2025

Choose o4-mini if…

  • you want predictable pricing at $1.10/M input and $4.40/M output

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Nova 2 Pro outperforms in 2 benchmarks (Multi-Challenge, SWE-Bench Verified), while o4-mini is better at 1 benchmark (AIME 2025).

Nova 2 Pro has a slight edge in benchmark performance.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only o4-mini specifies input context (200,000 tokens). Only o4-mini specifies output context (100,000 tokens).

Amazon
Nova 2 Pro
Input- tokens
Output- tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Nova 2 Pro and o4-mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Nova 2 Pro

Text
Images
Audio
Video

o4-mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Nova 2 Pro

Proprietary

Closed source

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Nova 2 Pro was released on 2025-12-02, while o4-mini was released on 2025-04-16.

Nova 2 Pro is 8 months newer than o4-mini.

Nova 2 Pro

Dec 2, 2025

7 months ago

7mo newer
o4-mini

Apr 16, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Nova 2 Pro's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without Nova 2 Pro's cutoff date.

Nova 2 Pro

—

o4-mini

May 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Amazon
Higher Multi-Challenge score (77.7% vs 43.0%)
Higher SWE-Bench Verified score (70.0% vs 68.1%)
OpenAI
Larger context window (200,000 tokens)
Higher AIME 2025 score (92.7% vs 92.3%)
AmazonNova 2 Pro
OpenAIo4-mini
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Nova 2 Pro and o4-mini side-by-side, then vote on the output you prefer.

Nova 2 Pro
✓ Preferred
o4-mini
Open in Playground
AI Model Comparison Table
Feature
Amazon
Nova 2 Pro
OpenAI
o4-mini

FAQ

Common questions about Nova 2 Pro vs o4-mini.

Which is better, Nova 2 Pro or o4-mini?

Nova 2 Pro has a slight edge in benchmark performance. Nova 2 Pro is made by Amazon and o4-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Nova 2 Pro compare to o4-mini in benchmarks?

Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

What are the context window sizes for Nova 2 Pro and o4-mini?

Nova 2 Pro supports an unknown number of tokens and o4-mini supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Nova 2 Pro and o4-mini?

Nova 2 Pro is developed by Amazon and o4-mini is developed by OpenAI.

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