---
title: "Gemma 4 31B"
description: "Google's open-weights 31B Gemma 4 model: text and image in, up to 256K context."
canonical: "https://vetted.tools/models/gemma-4-31b"
source: "https://vetted.tools/models/gemma-4-31b.md"
---

# Gemma 4 31B

Google's open-weights 31B Gemma 4 model: text and image in, up to 256K context.

Source: https://vetted.tools/models/gemma-4-31b

- Slug: `gemma-4-31b`
- By [Google](https://vetted.tools/companies/google) ([deepmind.google](https://deepmind.google/models/gemma/), checked 2026-09-26)
- Official page: [https://deepmind.google/models/gemma/](https://deepmind.google/models/gemma/)

## Facts

- License: apache-2.0 ([Hugging Face](https://huggingface.co/google/gemma-4-31B-it), checked 2026-09-25)
- Capabilities: Tool use, Vision, File input, Reasoning, Structured output ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Context window: 262K tokens (262,144) ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Gateway ID: google/gemma-4-31b-it ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Input: $0.14 per 1M tokens ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Max output: 131K tokens (131,072) ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Takes: Text, image, PDF ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Returns: Text ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- No training on prompts: Offered by some providers on the Vercel AI Gateway, when you turn it on ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Output: $0.40 per 1M tokens ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Released: Apr 2, 2026 ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Type: Language ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)
- Zero data retention: Available on a paid Vercel plan through the AI Gateway, from some providers on it (you turn it on) ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-25)

## Usage

- 9,250,425 downloads on [Hugging Face](https://huggingface.co/google/gemma-4-31B-it) over the 30 days to 2026-09-25.
- 390,615,734 requests and 1,714,615,066,818 tokens on [OpenRouter](https://openrouter.ai/google/gemma-4-31b-it) over the 31 days to 2026-09-25.

## Elsewhere on this site

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