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  1. Models
  2. Text
  3. Google

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
Compare provider prices

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

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

Artificial Analysis

Providers

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