Model Comparison

DiffusionGemma 26B-A4B vs Hy3Which is better in 2026?

Hy3 significantly outperforms across most benchmarks.

Verdict: DiffusionGemma 26B-A4B vs Hy3 — which is better?

DiffusionGemma 26B-A4B (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.

DiffusionGemma 26B-A4B outperforms in 0 benchmarks, while Hy3 is better at 1 benchmark (GPQA). Hy3 significantly outperforms across most benchmarks.

Choose DiffusionGemma 26B-A4B if…

  • you are already invested in the Google ecosystem

Choose Hy3 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DiffusionGemma 26B-A4B outperforms in 0 benchmarks, while Hy3 is better at 1 benchmark (GPQA).

Hy3 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

269.8B diff

Hy3 has 269.8B more parameters than DiffusionGemma 26B-A4B, making it 1070.6% larger.

Google
DiffusionGemma 26B-A4B
25.2Bparameters
Tencent
Hy3
295.0Bparameters
25.2B
DiffusionGemma 26B-A4B
295.0B
Hy3

Input Capabilities

Supported data types and modalities

DiffusionGemma 26B-A4B supports multimodal inputs, whereas Hy3 does not.

DiffusionGemma 26B-A4B can handle both text and other forms of data like images, making it suitable for multimodal applications.

DiffusionGemma 26B-A4B

Text
Images
Audio
Video

Hy3

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

DiffusionGemma 26B-A4B

Apache 2.0

Open weights

Hy3

Apache 2.0

Open weights

Release Timeline

When each model was launched

DiffusionGemma 26B-A4B was released on 2026-06-10, while Hy3 was released on 2026-07-06.

Hy3 is 1 month newer than DiffusionGemma 26B-A4B.

DiffusionGemma 26B-A4B

Jun 10, 2026

1 months ago

Hy3

Jul 6, 2026

1 weeks ago

3w newer

Knowledge Cutoff

When training data ends

DiffusionGemma 26B-A4B has a documented knowledge cutoff of 2025-01-01, while Hy3's cutoff date is not specified.

We can confirm DiffusionGemma 26B-A4B's training data extends to 2025-01-01, but cannot make a direct comparison without Hy3's cutoff date.

DiffusionGemma 26B-A4B

Jan 2025

Hy3

Outputs Comparison

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Key Takeaways

Supports multimodal inputs
Higher GPQA score (90.4% vs 73.2%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DiffusionGemma 26B-A4B and Hy3 side-by-side, then vote on the output you prefer.

DiffusionGemma 26B-A4B
✓ Preferred
Hy3
Open in Playground
AI Model Comparison Table
Feature
Google
DiffusionGemma 26B-A4B
Tencent
Hy3

FAQ

Common questions about DiffusionGemma 26B-A4B vs Hy3.

Which is better, DiffusionGemma 26B-A4B or Hy3?

Hy3 significantly outperforms across most benchmarks. DiffusionGemma 26B-A4B 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 DiffusionGemma 26B-A4B compare to Hy3 in benchmarks?

DiffusionGemma 26B-A4B scores MMMLU: 81.5%, MMLU-Pro: 77.6%, GPQA: 73.2%, MathVision: 70.5%, AIME 2026: 69.1%. Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%.

What are the main differences between DiffusionGemma 26B-A4B and Hy3?

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

Who makes DiffusionGemma 26B-A4B and Hy3?

DiffusionGemma 26B-A4B is developed by Google and Hy3 is developed by Tencent.