Model Comparison

Nova 2 Omni vs Qwen3-235B-A22B-Thinking-2507Which is better in 2026?

Nova 2 Omni has a slight edge in benchmark performance.

Verdict: Nova 2 Omni vs Qwen3-235B-A22B-Thinking-2507 — which is better?

Nova 2 Omni (by Amazon) and Qwen3-235B-A22B-Thinking-2507 (by Alibaba Cloud / Qwen Team) 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 Omni outperforms in 3 benchmarks (Tau2 Airline, Tau2 Retail, Tau2 Telecom), while Qwen3-235B-A22B-Thinking-2507 is better at 2 benchmarks (AIME 2025, MMLU-Pro). Nova 2 Omni has a slight edge in benchmark performance.

Choose Nova 2 Omni if…

  • you want the strongest raw capability — it leads on 3 of 5 shared benchmarks
  • you want the most recent training data — it shipped Dec 2025

Choose Qwen3-235B-A22B-Thinking-2507 if…

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

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Nova 2 Omni outperforms in 3 benchmarks (Tau2 Airline, Tau2 Retail, Tau2 Telecom), while Qwen3-235B-A22B-Thinking-2507 is better at 2 benchmarks (AIME 2025, MMLU-Pro).

Nova 2 Omni has a slight edge in benchmark performance.

Mon Jul 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Qwen3-235B-A22B-Thinking-2507 specifies input context (262,144 tokens). Only Qwen3-235B-A22B-Thinking-2507 specifies output context (131,072 tokens).

Amazon
Nova 2 Omni
Input- tokens
Output- tokens
Alibaba Cloud / Qwen Team
Qwen3-235B-A22B-Thinking-2507
Input262,144 tokens
Output131,072 tokens
Mon Jul 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Nova 2 Omni supports multimodal inputs, whereas Qwen3-235B-A22B-Thinking-2507 does not.

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

Nova 2 Omni

Text
Images
Audio
Video

Qwen3-235B-A22B-Thinking-2507

Text
Images
Audio
Video

License

Usage and distribution terms

Nova 2 Omni is licensed under a proprietary license, while Qwen3-235B-A22B-Thinking-2507 uses Apache 2.0.

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

Nova 2 Omni

Proprietary

Closed source

Qwen3-235B-A22B-Thinking-2507

Apache 2.0

Open weights

Release Timeline

When each model was launched

Nova 2 Omni was released on 2025-12-02, while Qwen3-235B-A22B-Thinking-2507 was released on 2025-07-25.

Nova 2 Omni is 4 months newer than Qwen3-235B-A22B-Thinking-2507.

Nova 2 Omni

Dec 2, 2025

7 months ago

4mo newer
Qwen3-235B-A22B-Thinking-2507

Jul 25, 2025

1.0 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→

Key Takeaways

Amazon
Supports multimodal inputs
Higher Tau2 Airline score (68.8% vs 58.0%)
Higher Tau2 Retail score (78.3% vs 71.9%)
Higher Tau2 Telecom score (80.0% vs 45.6%)
Alibaba Cloud / Qwen Team
Larger context window (262,144 tokens)
Has open weights
Higher AIME 2025 score (92.3% vs 92.1%)
Higher MMLU-Pro score (84.4% vs 80.7%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Nova 2 Omni and Qwen3-235B-A22B-Thinking-2507 side-by-side, then vote on the output you prefer.

Nova 2 Omni
✓ Preferred
Qwen3-235B-A22B-Thinking-2507
Open in Playground
AI Model Comparison Table
Feature
Amazon
Nova 2 Omni
Alibaba Cloud / Qwen Team
Qwen3-235B-A22B-Thinking-2507

FAQ

Common questions about Nova 2 Omni vs Qwen3-235B-A22B-Thinking-2507.

Which is better, Nova 2 Omni or Qwen3-235B-A22B-Thinking-2507?

Nova 2 Omni has a slight edge in benchmark performance. Nova 2 Omni is made by Amazon and Qwen3-235B-A22B-Thinking-2507 is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Nova 2 Omni compare to Qwen3-235B-A22B-Thinking-2507 in benchmarks?

Nova 2 Omni scores AIME 2025: 92.1%, RefCOCOg: 86.3%, ScreenSpot: 85.4%, MMLU-Pro: 80.7%, Tau2 Telecom: 80.0%. Qwen3-235B-A22B-Thinking-2507 scores MMLU-Redux: 93.8%, AIME 2025: 92.3%, WritingBench: 88.3%, IFEval: 87.8%, Creative Writing v3: 86.1%.

What are the context window sizes for Nova 2 Omni and Qwen3-235B-A22B-Thinking-2507?

Nova 2 Omni supports an unknown number of tokens and Qwen3-235B-A22B-Thinking-2507 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Nova 2 Omni and Qwen3-235B-A22B-Thinking-2507?

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

Who makes Nova 2 Omni and Qwen3-235B-A22B-Thinking-2507?

Nova 2 Omni is developed by Amazon and Qwen3-235B-A22B-Thinking-2507 is developed by Alibaba Cloud / Qwen Team.

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