Model Comparison
DiffusionGemma 26B-A4B vs Gemma 4 E2BWhich is better in 2026?
DiffusionGemma 26B-A4B significantly outperforms across most benchmarks.
Verdict: DiffusionGemma 26B-A4B vs Gemma 4 E2B — which is better?
DiffusionGemma 26B-A4B (by Google) and Gemma 4 E2B (by Google) 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 10 benchmarks (AIME 2026, BIG-Bench Extra Hard, GPQA, LiveCodeBench v6, MathVision, MedXpertQA, MMLU-Pro, MMMLU, MMMU-Pro, t2-bench), while Gemma 4 E2B is better at 0 benchmarks. DiffusionGemma 26B-A4B significantly outperforms across most benchmarks.
Choose DiffusionGemma 26B-A4B if…
- you want the strongest raw capability — it leads on 10 of 10 shared benchmarks
- you want the most recent training data — it shipped Jun 2026
Choose Gemma 4 E2B if…
- you are already invested in the Google ecosystem
Performance Benchmarks
Comparative analysis across standard metrics
DiffusionGemma 26B-A4B outperforms in 10 benchmarks (AIME 2026, BIG-Bench Extra Hard, GPQA, LiveCodeBench v6, MathVision, MedXpertQA, MMLU-Pro, MMMLU, MMMU-Pro, t2-bench), while Gemma 4 E2B is better at 0 benchmarks.
DiffusionGemma 26B-A4B significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Model Size
Parameter count comparison
DiffusionGemma 26B-A4B has 20.1B more parameters than Gemma 4 E2B, making it 394.1% larger.
Input Capabilities
Supported data types and modalities
Both DiffusionGemma 26B-A4B and Gemma 4 E2B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
DiffusionGemma 26B-A4B
Gemma 4 E2B
License
Usage and distribution terms
Both models are licensed under Apache 2.0.
Both models share the same licensing terms, providing consistent usage rights.
Apache 2.0
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
DiffusionGemma 26B-A4B was released on 2026-06-10, while Gemma 4 E2B was released on 2026-04-02.
DiffusionGemma 26B-A4B is 2 months newer than Gemma 4 E2B.
Jun 10, 2026
1 months ago
2mo newerApr 2, 2026
3 months ago
Knowledge Cutoff
When training data ends
Both models have the same knowledge cutoff date of 2025-01-01.
They should have similar awareness of historical events and information up to this date.
Jan 2025
Jan 2025
Outputs Comparison
Key Takeaways
Gemma 4 E2B
View detailsNo standout differentiators in the data we have for this pair.
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DiffusionGemma 26B-A4B and Gemma 4 E2B side-by-side, then vote on the output you prefer.
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FAQ
Common questions about DiffusionGemma 26B-A4B vs Gemma 4 E2B.