Google: Gemma 4 31B IT
Gemma 4 31B IT is a reasoning model from Google released on Apr 2, 2026. It reads text and images and writes text, with a 262K token context window and up to 33K tokens per reply.
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It costs $0.40 per million input tokens and $1 per million output tokens.
It supports tool calling and structured JSON output, and its weights are open, so you can host it yourself.
5 providers serve it, including Neuralwatt, Tinfoil and Regolo AI. The lowest input price is $0.144 per million tokens at Neuralwatt.
This is the same model as Gemma 4 31B IT, listed here under an earlier id. Prices and providers are kept current on that page.
- Modalities
- In / out price
- $0.40 / $1 per 1M
- Context
- 262K
- Max output
- 33K
- Released
- Apr 2, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Gemma 4 31B IT 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 | $0.40 / 1M tokens | |
|---|---|---|
| Output | $1 / 1M tokens |
Gemma 4 31B IT providers
5 providers serve it, including Neuralwatt, Tinfoil and Regolo AI. The lowest input price is $0.144 per million tokens at Neuralwatt. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Neuralwatt | $0.144 | $0.42 | $0.0144 | 262K | 16K |
| Tinfoil | $0.40 | $1 | – | 262K | 33K |
| Regolo AI | $0.46 | $2.42 | – | 100K | 100K |
| Poe | n/a | n/a | – | 262K | 8K |
| QVAC | n/a | n/a | – | 262K | 33K |
What Gemma 4 31B IT costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Gemma 4 31B IT through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
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Gemma 4 31B IT questions
How much does the Gemma 4 31B IT API cost?
$0.40 per million input tokens and $1 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Gemma 4 31B IT?
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.
Which providers serve Gemma 4 31B IT?
5 providers serve it, including Neuralwatt, Tinfoil and Regolo AI. The lowest input price is $0.144 per million tokens at Neuralwatt. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Gemma 4 31B IT support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Gemma 4 31B IT 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 IT released?
Apr 2, 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 IT?
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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