Model Comparison

Gemini 3.5 Flash vs Hy3Which is better in 2026?

Gemini 3.5 Flash shows notably better performance in the majority of benchmarks.

Verdict: Gemini 3.5 Flash vs Hy3 — which is better?

Gemini 3.5 Flash (by Google) and Hy3 (by Tencent) 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.

Gemini 3.5 Flash outperforms in 2 benchmarks (MCP Atlas, Toolathlon), while Hy3 is better at 1 benchmark (SWE-Bench Pro). Gemini 3.5 Flash shows notably better performance in the majority of benchmarks.

Choose Gemini 3.5 Flash if…

  • you want the strongest raw capability — it leads on 2 of 3 shared benchmarks

Choose Hy3 if…

  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 3.5 Flash outperforms in 2 benchmarks (MCP Atlas, Toolathlon), while Hy3 is better at 1 benchmark (SWE-Bench Pro).

Gemini 3.5 Flash shows notably better performance in the majority of benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Gemini 3.5 Flash specifies input context (1,048,576 tokens). Only Gemini 3.5 Flash specifies output context (65,536 tokens).

Google
Gemini 3.5 Flash
Input1,048,576 tokens
Output65,536 tokens
Tencent
Hy3
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3.5 Flash supports multimodal inputs, whereas Hy3 does not.

Gemini 3.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.5 Flash

Text
Images
Audio
Video

Hy3

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.5 Flash is licensed under a proprietary license, while Hy3 uses Apache 2.0.

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

Gemini 3.5 Flash

Proprietary

Closed source

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3.5 Flash was released on 2026-05-19, while Hy3 was released on 2026-07-06.

Hy3 is 2 months newer than Gemini 3.5 Flash.

Gemini 3.5 Flash

May 19, 2026

1 months ago

Hy3

Jul 6, 2026

1 weeks ago

1mo newer

Knowledge Cutoff

When training data ends

Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while Hy3's cutoff date is not specified.

We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without Hy3's cutoff date.

Gemini 3.5 Flash

Jan 2026

Hy3

—

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Higher MCP Atlas score (83.6% vs 79.1%)
Higher Toolathlon score (56.5% vs 48.5%)
Tencent
Has open weights
Higher SWE-Bench Pro score (57.9% vs 55.1%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash and Hy3 side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash
✓ Preferred
Hy3
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash
Tencent
Hy3

FAQ

Common questions about Gemini 3.5 Flash vs Hy3.

Which is better, Gemini 3.5 Flash or Hy3?

Gemini 3.5 Flash shows notably better performance in the majority of benchmarks. Gemini 3.5 Flash is made by Google and Hy3 is made by Tencent. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3.5 Flash compare to Hy3 in benchmarks?

Gemini 3.5 Flash scores CharXiv-R: 84.2%, MCP Atlas: 83.6%, MMMU-Pro: 83.6%, OSWorld-Verified: 78.4%, Terminal-Bench 2.0: 76.2%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

What are the context window sizes for Gemini 3.5 Flash and Hy3?

Gemini 3.5 Flash supports 1.0M tokens and Hy3 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 3.5 Flash and Hy3?

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 Gemini 3.5 Flash and Hy3?

Gemini 3.5 Flash is developed by Google and Hy3 is developed by Tencent.

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