Google: Gemma 3 4B

4B

Gemma 3 introduces multimodality, supporting vision-language input and text outputs.

Context
131K
Max output
16K
Input price
$0.05/1M tokens
Output price
$0.1/1M tokens

Capabilities

Output Control
Structured Output
JSON Mode

Details

Model IDgoogle/gemma-3-4b-it
Provider OpenRouter
Creator Google AI
Familygemma-3
License—
Status—
Typechat
Input modalitiestext, image
Output modalitiestext
Open weight—
Parameters4B
Architecture—
Context window131K tokens
Max input—
Max output16K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Pricing

Input
$0.05
Output
$0.1
Cache write
—
Cache read
$0.02
Batch in
—
Batch out
—

Family Comparison: gemma-3

ModelContextMax outPricing
Google: Gemma 3 12B (free)33K8K—
Google: Gemma 3 27B (free)131K8K—
Google: Gemma 3 4B (free)33K8K—
Google: Gemma 3 12B131K16K$0.05$0.15
Google: Gemma 3 4B131K16K$0.05$0.1
Google: Gemma 3 27B131K118K$0.08$0.35

API

GET/v1/models/openrouter/google/gemma-3-4b-it

Google: Gemma 3 4B

google/gemma-3-4b-it

Gemma 3 introduces multimodality, supporting vision-language input and text outputs.

Changes · 8 entries
google/gemma-3-4b-itupdateca7a400Nov 2, 2026, 03:02 AM
pricinginput$0.04→$0.05output$0.08→$0.1cached input$0.02
google/gemma-3-4b-itupdateb2f45bfOct 29, 2026, 03:29 AM
pricinginput$0.04→$0.05output$0.05→$0.1
max_output_tokens117964→16384
google/gemma-3-4b-itupdate42a9895Oct 20, 2026, 06:39 AM
pricinginput$0.05→$0.04output$0.1→$0.05cached input$0.02
max_output_tokens16384→117964
google/gemma-3-4b-itupdated68a4f1Jun 10, 2026, 02:10 AM
pricinginput$0.04→$0.05output$0.08→$0.1
google/gemma-3-4b-itupdatec8065d6Apr 25, 2026, 10:39 AM
max_output_tokens16384
google/gemma-3-4b-itupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
google/gemma-3-4b-itupdate2b100acMar 23, 2026, 05:30 AM
model_typechat
parameters4
release_date2025-03-13
taglineGemma 3 introduces multimodality, supporting vision-langu...
google/gemma-3-4b-itcreate7f5c66fMar 21, 2026, 05:16 AM