Google

Gemma 4 26B A4B

Benchmarks, price, context and versions

Also searched as

Gemma-4-26B-A4B

Direct answer: Gemma 4 26B A4B is a model from Google. 73.2% on GPQA Diamond, per Epoch AI. On OpenRouter, US$ 0.08 per 1 million input tokens and US$ 0.10 per 1 million output tokens.

✓ Good for

  • high-volume use (input price in the cheapest 25% on OpenRouter)
  • running on your own infrastructure (open weights)

✕ Not the best for

  • technical reasoning on science topics (#105 of 198 on GPQA Diamond)
  • technical reasoning as the model appears through the API (#91 of 135 on GPQA Diamond (OpenRouter))
  • agents that follow rules and use tools (#85 of 131 on τ-bench Verified (airline))

This block follows a rule of this section, using source data: if the model is in the top 25% of the metric, the item goes under "Good for"; if it is in the bottom half, it goes under "Not the best for". The middle band appears in neither. Price and context use OpenRouter; scores use Epoch AI or OpenRouter Benchmarks, in the latest version we checked.

Benchmarks

GPQA Diamond

?what it is
73.2%

highest score on this metric 96.4%

105º / 198 · Epoch AI, latest version we checked

OTIS Mock AIME

?
82.2%

highest score on this metric 100%

87º / 186 · Epoch AI, latest version we checked

GPQA Diamond (OpenRouter)

?
78.8%

highest score on this metric 96.5%

91º / 135 · OpenRouter Benchmarks, latest version we checked

τ-bench Verified (airline)

?
70.6%

highest score on this metric 82%

85º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
the US
Family
Gemma provisional data
Weights?
open
License
apache-2.0
Input US$/1M?
US$ 0.08
Output US$/1M
US$ 0.10
Context?
262,144 tokens
Parameters
25,805,936,206
Input
image, text, video
OpenRouter usage?
0.21%
Downloads (30 days)?
5,439,703
Use cases provisional data
Text Agents
Dates in sources
  • 2026, published, per Epoch AI
  • 2026, listed on OpenRouter
  • 2026, Hugging Face repo created

Version history

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

FAQ

What is Gemma 4 26B A4B?

Gemma 4 26B A4B is a model from Google, with open weights, used for text, agents.

How much does Gemma 4 26B A4B cost?

On OpenRouter, US$ 0.08 per 1 million input tokens and US$ 0.10 per 1 million output tokens.

What is the context window of Gemma 4 26B A4B?

262,144 tokens, per OpenRouter.

Is Gemma 4 26B A4B open source?

Yes, it has open weights. License: apache-2.0.

What is Gemma 4 26B A4B's GPQA Diamond score?

73.2% on GPQA Diamond, per Epoch AI.

Is Gemma 4 26B A4B good for coding?

No data: there is no SWE-bench Verified measurement for it in open sources.

Who made Gemma 4 26B A4B?

It was made by Google, a lab from the US.

provisional data Questions under review: Semrush had no API balance during collection. Answers use source data only.

Models from Google

See lab

Sources

  • Epoch AI, CC BY 4.0, latest version we checked.
  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • OpenRouter Benchmarks, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.