Creativity · AI Model
Imagen 3
Imagen 3 is Google DeepMind's text-to-image model, generally available from late 2024 on Vertex AI and the Gemini API. It produces high-fidelity photorealistic images, renders text inside images more reliably than prior diffusion models, and watermarks every output with SynthID for provenance.
Model specs
- Vendor
- Family
- Imagen
- Released
- 2024-12
- Context window
- 1,024 tokens
- Modalities
- text, vision
- Input price
- n/a
- Output price
- n/a
- Pricing as of
- 2026-04-20
Strengths
- Strong photorealism and fine-detail rendering
- Better in-image typography than most diffusion rivals
- Every image tagged with SynthID for provenance
- Native Vertex AI integration for enterprise workflows
Limitations
- Per-image pricing (not token-based) — budget at image-count level
- Strict safety filters can block legitimate creative asks
- No native editing API as flexible as some rivals (Flux, GPT-Image)
- Superseded for some creative uses by Imagen 4 where available
Use cases
- Marketing imagery and concept art generation
- Ad creative variations at scale on Vertex AI
- Product visualisation for e-commerce
- Editorial and presentation graphics
Benchmarks
| Benchmark | Score | As of |
|---|---|---|
| GenAI-Bench text-to-image | SOTA at launch | 2024-12 |
| Human preference vs DALL-E 3 | preferred | 2024-12 |
| Typography / text-in-image | strong | 2024-12 |
Frequently asked questions
What is Imagen 3?
Imagen 3 is Google DeepMind's flagship text-to-image model, generally available from December 2024. It produces photorealistic images from text prompts, with improved typography and SynthID watermarking — accessible via Vertex AI, the Gemini API, and the consumer Gemini app.
How much does Imagen 3 cost?
Imagen 3 uses per-image pricing on Vertex AI and the Gemini API, typically a few cents per image depending on resolution and tier. Check Google's pricing page for the current per-image rate in your region.
What is SynthID and why is it in every Imagen 3 output?
SynthID is Google's invisible watermark for AI-generated media. It embeds a robust signal into pixels that survives cropping and compression, letting downstream verifiers identify Imagen-generated images. Every Imagen 3 image is watermarked by default.
Can Imagen 3 edit existing images?
Imagen 3 offers capability-limited image editing (masked inpainting, outpainting) through Vertex AI's Imagen tooling. For free-form editing, many teams combine Imagen 3 generation with separate editing pipelines.
Sources
- Google DeepMind — Imagen 3 — accessed 2026-04-20
- Google Cloud — Imagen on Vertex AI — accessed 2026-04-20