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Gemini 2.5 Flash vs Qwen2 72B Instruct

Gemini 2.5 Flash significantly outperforms across most benchmarks.

Google · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Gemini 2.5 Flash outperforms in 1 benchmarks (GPQA), while Qwen2 72B Instruct is better at 0 benchmarks. Gemini 2.5 Flash significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Gemini 2.5 Flash

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped May 2025

Choose Qwen2 72B Instruct

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

At a glance

The differences that matter most.

Gemini 2.5 Flash
Google
Qwen2 72B Instruct
Alibaba Cloud / Qwen Team
Benchmark wins
1 of 1
0 of 1
Input price
$0.30 / M
— / M
Output price
$2.50 / M
— / M
Context window
1,048,576
—
Released
May 2025
Jul 2024
License
Proprietary
tongyi-qianwen

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 2.5 Flash outperforms in 1 benchmarks (GPQA), while Qwen2 72B Instruct is better at 0 benchmarks.

Gemini 2.5 Flash significantly outperforms across most benchmarks.

Wed Aug 26 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Flash specifies input context (1,048,576 tokens). Only Gemini 2.5 Flash specifies output context (65,536 tokens).

Google
Gemini 2.5 Flash
Input1,048,576 tokens
Output65,536 tokens
Alibaba Cloud / Qwen Team
Qwen2 72B Instruct
Input- tokens
Output- tokens
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.5 Flash supports multimodal inputs, whereas Qwen2 72B Instruct does not.

Gemini 2.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Flash

Text
Images
Audio
Video

Qwen2 72B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Flash is licensed under a proprietary license, while Qwen2 72B Instruct uses tongyi-qianwen.

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

Gemini 2.5 Flash

Proprietary

Closed source

Qwen2 72B Instruct

tongyi-qianwen

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Flash was released on 2025-05-20, while Qwen2 72B Instruct was released on 2024-07-23.

Gemini 2.5 Flash is 10 months newer than Qwen2 72B Instruct.

Gemini 2.5 Flash

May 20, 2025

1.3 years ago

10mo newer
Qwen2 72B Instruct

Jul 23, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Gemini 2.5 Flash has a documented knowledge cutoff of 2025-01-31, while Qwen2 72B Instruct's cutoff date is not specified.

We can confirm Gemini 2.5 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Qwen2 72B Instruct's cutoff date.

Gemini 2.5 Flash

Jan 2025

Qwen2 72B Instruct

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 2.5 Flash and Qwen2 72B Instruct side-by-side, then vote on the output you prefer.

Gemini 2.5 Flash
✓ Preferred
Qwen2 72B Instruct
Open in Playground

FAQ

Common questions about Gemini 2.5 Flash vs Qwen2 72B Instruct.

Which is better, Gemini 2.5 Flash or Qwen2 72B Instruct?

Gemini 2.5 Flash significantly outperforms across most benchmarks. Gemini 2.5 Flash is made by Google and Qwen2 72B Instruct 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 Gemini 2.5 Flash compare to Qwen2 72B Instruct in benchmarks?

Gemini 2.5 Flash scores Global-MMLU-Lite: 88.4%, AIME 2024: 88.0%, FACTS Grounding: 85.3%, GPQA: 82.8%, MMMU: 79.7%. Qwen2 72B Instruct scores GSM8k: 91.1%, CMMLU: 90.1%, HellaSwag: 87.6%, HumanEval: 86.0%, Winogrande: 85.1%.

What are the context window sizes for Gemini 2.5 Flash and Qwen2 72B Instruct?

Gemini 2.5 Flash supports 1.0M tokens and Qwen2 72B Instruct 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 Gemini 2.5 Flash and Qwen2 72B Instruct?

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

Who makes Gemini 2.5 Flash and Qwen2 72B Instruct?

Gemini 2.5 Flash is developed by Google and Qwen2 72B Instruct is developed by Alibaba Cloud / Qwen Team.

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