Google Gemini Image (Nano Banana)
Google class B live
Google's flagship image line (Nano Banana / Gemini 3 Pro Image); text-to-image + editing to 4K, strong text rendering, SynthID-watermarked.
Layer 1 — factual axes
| API & price | public · Gemini 3 Pro Image $0.134/image (1K–2K), $0.24 (4K); 2.5 Flash Image $0.039 | official | source ↗ 2026-07-04 |
|---|---|---|---|
| Max resolution | up to 4K (4096²); aspect-ratio control | official | source ↗ 2026-07-04 |
| Control | inpaint/localized edit; up to 14 reference images; character consistency; high-fidelity text | official | source ↗ 2026-07-04 |
| Weights | closed | official | source ↗ 2026-07-04 |
| Free tier | limited (free in Gemini app/AI Studio); SynthID watermark | official | source ↗ 2026-07-04 |
Layer 2 — output quality
1218 / 1600
Google’s flagship image line (Nano Banana / Gemini 3 Pro Image); text-to-image + editing to 4K, strong text rendering, SynthID-watermarked.