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
#349

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 Fast480——Current
Imagen 3 Fast————Deprecated

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Imagen 4 UltraUltra480——
Imagen 4—480——
Gen-4 Image—————
Gen-4 Image Turbo—————
Imagen 4 Preview—————
Gemini 3.1 Flash Image PreviewFlash131K$0.500$3.00
Gemini 3 Pro Image PreviewPro131K$2.00$12.00
Stable Diffusion 3.5 Large—77——
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