DiffusionGemma
DiffusionGemma is a high-speed diffusion-based version of Gemma 4 26B A4B. It supports optional reasoning and a 262,144-token context window. Temperature, min-p, seed, minimum output tokens, logit bias, bad words, and allowed token IDs are unavailable; omit these parameters to use native diffusion sampling.
- Reasoning
Added Sep 19, 2026
Pricing
Auto routing · per 1M tokens- Input
- $0.05
- Output
- $0.15
- Cache read
- $0.025
Specifications
- Context window
- 262.1K
- Max output
- 32.8K
- Parameters
- 26B / 4B
- Total / active
- Avg output (7d)
- 451 tokens
- Longer than 44% of models
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Agentic work
GDPval-AA v2.1
Economically valuable tasks (Elo)
329 Elo
Better than 17% of models compared
Document reasoning
AA-LCR v1.1
Long context reasoning with updated grading
19.7%
Better than 21% of models compared
Reasoning
HLE
Humanity's Last Exam
10.8%
Better than 51% of models compared
IFBench
Instruction-following benchmark
59.5%
Better than 71% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
66.9%
Better than 43% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
19.7%
Better than 21% of models compared
Last updated Oct 30, 2026
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