All capabilities Image, audio and video

Generate an image with legible text inside it

The failure everyone remembers from early image models - garbled lettering - is documented as a supported capability now, for infographics, menus, diagrams and marketing assets.

DocsOfficially documentedTestNot tested by benchr Quick · API Docs checked September 1, 2026
Gemini API

Overview

  • Generates and edits images on gemini-3.1-flash-lite-image, gemini-3.1-flash-image, gemini-3-pro-image and gemini-2.5-flash-image.
  • Keeps editing conversationally across turns through previous_interaction_id, so a correction does not restart the image.
  • Accepts up to 14 reference images on Gemini 3.1 Flash Image, which is what makes style and product consistency possible.

How it works

  1. 01Write the exact copy in quotes in the prompt and say where it sits. Do not leave wording to the model if it must be correct.
  2. 02Attach reference images for brand assets rather than describing them.
  3. 03Correct in the same conversation instead of re-prompting from scratch, so the composition survives.
  4. 04Check the resolution ceiling before you pick the model - the Flash Lite image model supports 1K only.

Limits

  • All generated images carry a SynthID watermark.
  • gemini-3.1-flash-lite-image supports 1K resolution only.
  • Reference images cap at 14 on Gemini 3.1 Flash Image.
  • Legible text is described as a strength, not a guarantee - long strings and small type remain the weak case.

Verification

benchr test runs

benchr has not run this capability. No test has been published.

benchr test runs →

Evidence

Not stated by the source

  • Character accuracy rates for text rendering
  • Whether the watermark survives downstream editing
Source-check history
  • September 1, 2026DocsOfficially documentedFirst logged. Model ids, the legible-text claim, the 14-image reference cap, the 1K limit on Flash Lite and the SynthID watermark read from the vendor page.