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Imagen 4 Fast


Imagen 4 Fast is Google logoGoogle's image generation model with a 480 context window, available from 5 providers, starting at $N/A / 1M input and $N/A / 1M output. Speed-optimized variant of Google's Imagen 4 text-to-image model, designed for rapid high-volume image generation workflows.
Spec
Canonical IDgoogle-imagen-4-fast
TypeImage Generation
StatusActive
CreatorGoogleGoogle
Providers
Context Window480 tokens
Input ModalitiesText
Output ModalitiesImage
Release Date · 11 months ago
Elo Rating
1074
#124

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

ProviderStandard
fal.ai logo
fal.ai
fal-ai/imagen4/preview/fast
Google Gemini logo
Google Gemini
imagen-4.0-fast-generate-001
Google Vertex AI logo
Google Vertex AI
imagen-4.0-fast-generate-001
Stability AI logo
Stability AI
fast
Vercel AI Gateway logo
Vercel AI Gateway
google/imagen-4.0-fast-generate-001

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Imagen 4 Fast480$0.000$0.000Current
Imagen 3 Fast$0.000$0.000Available

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Deep Research Pro Preview (Dec-12-2025)Pro1.0M
Deep Research Pro Preview (Dec-12-2025)Pro1.0M$2.00$12.00
Imagen 4 UltraUltra480$0.000$0.000
Imagen 4480$0.000$0.000
Gen-4 Image Turbo$0.000$0.000
Imagen 4 Preview 0606$0.000$0.000
Runway Gen-4 Image$0.000$0.000
Stable Diffusion 3.5 LargeLarge77$0.000$0.000
Stable Diffusion 3.5 Large TurboLarge$0.000$0.000
Stable Diffusion 3.5 MediumMedium$0.000$0.000

Model IDs