Imagen 4 Fast is Google's image generation model with a 480 context window, available from 2 providers. Speed-optimized variant of Imagen 4 designed for rapid, high-volume text-to-image generation workflows such as drafts and mockups.
Specifications
Canonical IDgoogle-imagen-4-fast
TypeImage Generation
StatusDeprecated
CreatorGoogleGoogle
Providers
Context Window480 tokens
Input ModalitiesText
Output ModalitiesImage
Release Date · 1 year ago
Deprecation Date
Benchmarks
Elo Rating
#207

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Image Out
$ / image
Google Gemini logo
Google Gemini
gemini/imagen-4.0-fast-generate-001
$0.020
Google Vertex AI logo
Google Vertex AI
vertex_ai/imagen-4.0-fast-generate-001
$0.020

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Imagen 4 Fast480Current
Imagen 3 FastAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Imagen 4 UltraUltra480
Imagen 4480
Gen-4 Image
Gen-4 Image Turbo
Imagen 4 Preview
Gemini 3.1 Flash Image PreviewFlash131K$0.500$3.00
Gemini 3 Pro Image PreviewPro66K$2.00$12.00
Stable Diffusion 3.5 Large77
Recraft V3
BRIA 3.2

Model IDs

gemini/imagen-4.0-fast-generate-001
google-imagen_imagen-4-fast
google-imagen-4-fast
google/imagen-4.0-fast-generate-001
imagen-4-fast-preview-0606
publishers/google/models/imagen-4.0-fast-generate-001
vertex_ai/imagen-4.0-fast-generate-001