Ideogram V4 Fast

Ideogram V4 Fast: Text-to-Image Model

What is Ideogram V4 Fast?

Ideogram V4 Fast is a text-to-image API that runs Ideogram's 4.0 engine with a single Rendering Speed control, so you trade cost and latency for fidelity without switching models. Ideogram 4.0 launched on June 3, 2026 as the company's first open-weight text-to-image foundation model, a 9.3-billion-parameter Diffusion Transformer built from scratch with text rendering as a core design goal. On Segmind you send a plain-text prompt, pick a speed tier (TURBO, DEFAULT, or QUALITY), choose a resolution, and receive a native 2K image in one synchronous call — no polling. It is the model developers reach for when the words in the picture have to be correct.

Key Features

• •Best-in-class text rendering. Ideogram 4.0 scores 0.97 on the X-Omni English OCR benchmark, the highest among open-weight models at its size, with multilingual support and clean handling of headlines, packaging copy, and signage.
• •Three speed tiers. TURBO, DEFAULT, and QUALITY map to progressively more denoising steps, so you can draft fast and finalize sharp.
• •Native 2K output. Resolutions run up to roughly 3328 px on the long edge across square, portrait, landscape, and ultrawide aspect ratios.
• •Magic Prompt. Short prompts are auto-expanded into richer, composition-aware descriptions.
• •Optional copyright detection you can toggle per request.

Best Use Cases

Ideogram V4 Fast is built for design work that leaves the prompt box: posters, YouTube thumbnails, event flyers, social creatives, product mockups, logos, and packaging where readable, styled typography is essential. Use TURBO for high-throughput ideation and A/B drafts, then re-run the winner on QUALITY for print-ready deliverables. In independent designer-preference tests, Ideogram 4.0 placed second overall behind only GPT Image 2, and first among open-weight models — a strong signal for branded, text-heavy creative.

Prompt Tips and Output Quality

Put the exact words you want rendered inside quotation marks; Ideogram treats quoted text as a literal typographic instruction. Name the font feel directly (bold sans-serif, elegant serif, hand-lettered script) rather than leaving it vague. Specify subject, layout, palette, and mood, and generate two or three variants, then pick the cleanest text — always verify numbers and symbols before shipping. Portraiture is the model's weakest area, so lean on it for design over photoreal faces.

How to Use Ideogram V4 Fast

Ideogram V4 Fast turns a text prompt into a native 2K image in a single synchronous call. The endpoint takes four inputs — prompt, rendering_speed, resolution, and enable_copyright_detection — so most of your control comes from writing a precise prompt and picking the right speed tier.

Writing the prompt

Describe the subject, composition, style, and palette in plain language. When you need words inside the image, wrap them in quotation marks — for example, a poster headline reading "SUMMIT ROAST" — because Ideogram renders quoted strings as literal typography. Name the typographic feel explicitly (bold sans-serif, elegant serif, hand-lettered script) and keep rendered phrases short for the cleanest results. Magic Prompt automatically expands brief prompts into richer descriptions, so you do not need to over-engineer them.

Choosing rendering speed

rendering_speed sets both quality and price tier:

• •TURBO — fastest and cheapest; ideal for ideation, thumbnails, and A/B drafts.
• •DEFAULT — balanced quality and speed for everyday design work.
• •QUALITY — most denoising steps; best for text-heavy posters, packaging, and print-ready finals.

A reliable workflow is to draft several compositions on TURBO, then re-run the chosen prompt on QUALITY.

Choosing resolution

resolution controls output size and aspect ratio at native 2K. Use portrait (for example 1440x2880) for posters and stories, landscape (2880x1440) for banners and thumbnails, and the 2048x2048 square default for logos and social tiles. Ultrawide options up to 3328 px suit headers and billboards.

Copyright detection

Leave enable_copyright_detection off by default. Switch it on only when your compliance workflow requires post-generation screening of outputs.

Recommended Settings

• •Posters and packaging with lots of text: QUALITY, portrait resolution, quote every exact phrase.
• •YouTube thumbnails and social: DEFAULT or TURBO, landscape 2880x1440, one bold quoted headline.
• •Logos and transparent-style marks: QUALITY, 2048x2048, name the font style directly.
• •Rapid ideation: TURBO, square, generate two to three variants and select the cleanest text.

Always visually verify rendered numbers, currency symbols, and long strings before an asset ships.

Is Ideogram V4 Fast good at spelling text in images?

Yes. It reports 0.97 English OCR accuracy, well ahead of most competitors on branded headlines and labels.

What is the difference between TURBO, DEFAULT, and QUALITY?

They are speed-versus-fidelity tiers; TURBO is quickest, QUALITY runs the most steps for the sharpest typography.

What resolutions are supported?

Native 2K with square, portrait, landscape, and ultrawide options up to 3328 px on the long edge.

Does it handle non-English text?

Ideogram 4.0 expands multilingual coverage, though CJK scripts are best verified before production use.

Do I need to write JSON prompts?

No. Plain-text prompts work well on this endpoint, and Magic Prompt enriches them automatically.

When should I pick a different model?

For hyper-real human portraits or 4K photography, a photoreal-focused model may fit better; use Ideogram V4 Fast when text and design are the priority.