DiffusionGemma 26B A4B
DiffusionGemma 26B A4B is a Google open-weights reasoning model, released 10 Jun 2026. Its best configuration ranks #515 of 785 on the BenchLeader Index at 45.4 ±7.2, in the lower half. The ± is the point: 412 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in instruction following (60) and lowest in long context (34). Last measured 10 Jun 2026.
- Blended price
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- Output speed
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- First answer
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- Context
- 256k
- Full answer
- –
- Cost per run
- –
- Released
- 10 Jun 2026
- Overall index45
- Reasoning41
- Knowledge35
- Instruction following60
- Multimodal49
- Long context34
- Composite40
How its index has moved
9 Sept 2026 to 21 Oct 2026The index is recomputed from scratch every day, so a line moves when a new benchmark result lands, when a publisher revises a score, or when the models it is normalised against change. Early movement usually means the score is still settling.
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| GPQA Diamond (AA)not in index | 66.9%#327 | Artificial Analysis | |
| Humanity's Last Exam (AA)not in index | 10.8%#309 | Artificial Analysis | |
| CritPt | 0.3%#271 | Artificial Analysis |
Coding
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Terminal-Bench 2.1 (AA)not in index | 12.4%#188 | Artificial Analysis |
Agents & tools
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| GDPval-AA v2.1not in index | 0.0%#124 | Artificial Analysis |
Knowledge
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| AA-Omniscience | -59.2#460 | Artificial Analysis | |
| AA-Omniscience: accuracynot in index | 16.6%#386 | Artificial Analysis | |
| AA-Omniscience: non-hallucinationnot in index | 9.1%#436 | Artificial Analysis |
Instruction following
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| IFBench | 59.5%#129 | Artificial Analysis |
Multimodal
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| MMMU-Pro | 66.5%#171 | Artificial Analysis |
Long context
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| AA-LCR | 19.7%#437 | Artificial Analysis |
Composite
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| AA Intelligence Index v4.3.2 | 9.5#396 | Artificial Analysis |
More from Google
See also
Questions people ask
- What are DiffusionGemma 26B A4B's benchmark scores?
- As of 25 Oct 2026, DiffusionGemma 26B A4B scores 45.4 ±7.2 on the BenchLeader Index, strongest in instruction following (60) and weakest in long context (34). That rests on 6 independent benchmark results, and every score on this page links to its publisher.
- How does DiffusionGemma 26B A4B rank?
- DiffusionGemma 26B A4B is #515 of 785 ranked configurations on 25 Oct 2026. 412 other configurations score within its margin, so the exact position matters less than the band. The leader is Claude Opus 5.5 (max effort) at 72.6.
- When was DiffusionGemma 26B A4B released?
- Google released DiffusionGemma 26B A4B on 10 Jun 2026.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “DiffusionGemma 26B A4B: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/diffusiongemma-26b-a4b.