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Google: Gemma 4 31B Split-UntiedWork with me

Google: Gemma 4 31B Split-Untied

byGoogle

Gemma 4 31B Split-Untied is a language model from Google released on Sep 17, 2026. It reads text and writes text, with a 262K token context window and up to 33K tokens per reply.

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It costs $0.10 per million input tokens and $0.30 per million output tokens. Cached input bills at $0.05, 50% less than fresh input.

It supports tool calling and prompt caching, and its weights are open, so you can host it yourself.

Modalities
In / out price
$0.10 / $0.30 per 1M
Context
262K
Max output
33K
Released
Sep 17, 2026
Knowledge cutoff
n/a
  • Tool calling
  • Structured output
  • Reasoning
  • Prompt caching
  • Open weights
  • Free to use

Gemma 4 31B Split-Untied pricing

USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.

Input$0.10 / 1M tokens
Output$0.30 / 1M tokens
Cached input (read)$0.05 / 1M tokens

What Gemma 4 31B Split-Untied costs per month

Pick a workload close to yours or type your own volumes.

Gemma 4 31B Split-Untied per month
$8.40
Without caching
$10.65
Per request
$0.0003

Supported request parameters

What you can set when you call Gemma 4 31B Split-Untied through an OpenAI compatible API.

  • Toolstools

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All Google models

Gemma 4 31B Split-Untied questions

How much does the Gemma 4 31B Split-Untied API cost?

$0.10 per million input tokens and $0.30 per million output tokens, with cached input at $0.05. The estimator on this page turns that into a monthly bill for your own workload.

What is the context window of Gemma 4 31B Split-Untied?

262,144 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.

Does Gemma 4 31B Split-Untied support tool calling?

Yes. It accepts tool definitions, which is what an agent needs to call your APIs.

Is Gemma 4 31B Split-Untied open source?

Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.

When was Gemma 4 31B Split-Untied released?

Sep 17, 2026.

Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.

Building on Gemma 4 31B Split-Untied?

I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.

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