Google: Gemma 4 31B (free)

31B

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output.

Context
262K
Max output
33K

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDgoogle/gemma-4-31b-it:free
Provider OpenRouter
Creator Google AI
Familygemma-4
License—
Status—
Typechat
Input modalitiesimage, text, video
Output modalitiestext
Open weight—
Parameters31B
Architecture—
Context window262K tokens
Max input—
Max output33K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Family Comparison: gemma-4

ModelContextMax outPricing
Google: Gemma 4 26B A4B (free)262K33K—
Google: Gemma 4 31B (free)262K33K—
Google: Gemma 4 26B A4B 262K236K$0.09$0.3
Google: Gemma 4 31B262K16K$0.2$0.4
Google: Gemma 4 31B (batch)262K236K$0.39$0.97

API

GET/v1/models/openrouter/google/gemma-4-31b-it:free