Google

Gemma 4 31B

Benchmarks, price, context and versions

Also searched as

Gemma 4, Gemma, gemma 4 31b qat, gemma 4 31b benchmark, gemma 4 31b requirements

Direct answer: Gemma 4 31B is a model from Google. 75.8% on GPQA Diamond, per Epoch AI. On OpenRouter, US$ 0.20 per 1 million input tokens and US$ 0.40 per 1 million output tokens.

✓ Good for

  • agents that follow rules and use tools (#29 of 131 on τ-bench Verified (airline))
  • running on your own infrastructure (open weights)

✕ Not the best for

  • technical reasoning on science topics (#102 of 198 on GPQA Diamond)
  • calculation and problems with an exact answer (#95 of 186 on OTIS Mock AIME)
  • answering short facts with little invention (#85 of 87 on SimpleQA Verified)

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
75.8%

highest score on this metric 96.4%

102º / 198 · Epoch AI, latest version we checked

OTIS Mock AIME

?
73.3%

highest score on this metric 100%

95º / 186 · Epoch AI, latest version we checked

SimpleQA Verified

?
10.4%

highest score on this metric 94%

85º / 87 · Epoch AI, latest version we checked

GPQA Diamond (OpenRouter)

?
85.9%

highest score on this metric 96.5%

64º / 135 · OpenRouter Benchmarks, latest version we checked

τ-bench Verified (airline)

?
77%

highest score on this metric 82%

29º / 131 · OpenRouter Benchmarks, latest version we checked

Key specs

Origin
the US
Family
Gemma provisional data
Weights?
open
License
no data
Input US$/1M?
US$ 0.20
Output US$/1M
US$ 0.40
Context?
262,144 tokens
Parameters
no data
Input
image, text, video
OpenRouter usage?
0.22%
Downloads (30 days)?
no data
Use cases provisional data
Text Agents
Dates in sources
  • 2026, published, per Epoch AI
  • 2026, listed on OpenRouter

Version history

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

FAQ

What is the context window of Gemma 4 31B?

262,144 tokens, per OpenRouter.

Is Gemma 4 31B open source?

Yes, it has open weights. License: no data.

What is Gemma 4 31B's GPQA Diamond score?

75.8% on GPQA Diamond, per Epoch AI.

What is Gemma 4 31B?

Gemma 4 31B is a model from Google, with open weights, used for text, agents.

How much does Gemma 4 31B cost?

On OpenRouter, US$ 0.20 per 1 million input tokens and US$ 0.40 per 1 million output tokens.

Is Gemma 4 31B good for coding?

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

Who made Gemma 4 31B?

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

provisional data Questions ordered by what shows up in public Google search suggestions (no volume). Answers use source data only.

Compare with

Models from Google

See lab

Sources

  • Epoch AI, CC BY 4.0, 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.