Seedream 5.0 Flash vs Seedream 5.0 Lite
Seedream 5.0 Flash and 5.0 Lite are the two budget tiers under Seedream 5.0 Pro. Both ran the same twelve prompts through fal: Lite in September at 2K, the smallest size its endpoint allows, and Flash on 22 October at about 1K.
Anvisha Pai, Co-founder & CEO, Voyager
Which to use
Flash for layouts, edits and speed; Lite when numbers must be right. Flash set a finished, full-page poster where Lite left most of the sheet empty, placed all five objects in the composition test where Lite miscounted the ice, and made a clean edit where Lite turned the brass handle into a small ring. It answered in about 15 seconds against Lite's 36, at $0.027 an image against $0.035, read on 22 October and 9 September 2026. Lite wins two prompts that matter: it labelled every chart value correctly, where Flash printed 150 for March and 'Ap0' for April, and it drew a believable dripper where Flash drew a slotted bowl. One run per prompt is a fair first look, not a ranking.
Side by side, measured
| Seedream 5.0 Flash | Seedream 5.0 Lite | |
|---|---|---|
| Vendor | ByteDance | ByteDance |
| Released | Date not verified | 2026-08-13 |
| Price | $0.027 per image via fal | $0.035 per image via fal |
| Seconds per image | 12 to 20 | 23 to 39 |
| 12 pictures cost | $0.324 | $0.42 |
| Sizes | Any width and height whose total is between 1024 by 1024 and 2048 by 2048 pixels, or the auto_1K and auto_2K presets | 2K, 3K or 4K; the minimum is larger than most models' maximum, so every sample below is 2K |
Seconds and cost are from our own runs of the same 12 prompts through each model.
The same 12 prompts, Seedream 5.0 Flash against Seedream 5.0 Lite
One try each, nothing re-rolled or retouched, generated by us. Seedream 5.0 Flash is on the left, Seedream 5.0 Lite on the right. Every prompt has its own page with the whole roster.
Text in an image
Every model on this prompt →Both spelled all three lines. Lite's sit in the top fifth of an empty navy sheet; Flash's fill the page with two-colour letterpress type and a drawing of the venue.
›What we asked for
A concert poster that reads 'MODA SUMMER SESSIONS' in large bold type, with the subtitle 'Friday 12 June, 8pm, Roundhouse' and a smaller line 'Tickets at the door'. Risograph style, two colours, tangerine and navy, grainy ink texture.
Product on white
Every model on this prompt →Lite drew a ribbed cone on a base; Flash a footed bowl with slots cut through the side.
›What we asked for
Studio product photograph of a matte black ceramic pour-over coffee dripper on a seamless white background, soft top light, subtle contact shadow, centred, catalogue style.
Face and hands
Every model on this prompt →
›What we asked for
Close-up portrait of a woman in her 40s with short grey hair, laughing, holding a red ceramic mug with both hands, natural window light, 85mm lens, shallow depth of field.
Logo mark
Every model on this prompt →
›What we asked for
A flat vector logo mark for a bicycle repair shop called 'Spoke & Chain': a single-colour icon combining a chain link and a wheel spoke, with the wordmark below in a geometric sans-serif, black on white.
Busy scene
Every model on this prompt →
›What we asked for
A crowded Saturday farmers market seen from slightly above: at least twelve stalls with striped awnings, shoppers carrying tote bags, a dog on a leash, crates of oranges, a musician with a guitar, bunting overhead, late morning light.
Specific art style
Every model on this prompt →
›What we asked for
A lighthouse on a rocky cliff during a storm, in the style of a Japanese ukiyo-e woodblock print, with visible wood grain texture, flat colour areas and a bokashi gradient sky.
Lite labelled all six values correctly. Flash drew bars at the right heights but labelled March 150, April 'Ap0' and June 'June'.
›What we asked for
A clean bar chart titled 'Monthly active users' showing six months, January through June, with the values 120, 150, 180, 170, 220 and 260, labelled axes, white background, one accent colour, no 3D effects.
Wide aspect ratio
Every model on this prompt →
›What we asked for
Website hero banner: a wide panorama of a sunlit modern co-working space with plants, the left third of the frame kept as clear wall space for text, warm neutral palette.
Infographic with steps
Every model on this prompt →
›What we asked for
An infographic card titled 'How to brew pour-over' with four numbered steps in this order: 1. Rinse the filter, 2. Bloom for 30 seconds, 3. Pour in slow circles, 4. Wait 3 minutes. A simple icon beside each step, muted palette, clean sans-serif type.
Food photography
Every model on this prompt →
›What we asked for
Overhead photograph of a margherita pizza on a wooden board, fresh basil leaves, one slice pulled out with the cheese stretching, restaurant menu photography, natural light.
Hard composition
Every model on this prompt →Flash had exactly three ice cubes and every object in place; Lite drew four or five cubes.
›What we asked for
A glass of water on a wooden table with exactly three ice cubes in it, a yellow pencil resting across the rim of the glass, a blue book to the left of the glass and a red apple to the right, photographed from table height.
Edit an existing image
Every model on this prompt →Flash recoloured its dripper and added a brass handle with nothing else moved. Lite made it green but the handle came out as a small ring.
›What we asked for
Change the coffee dripper to a deep forest green and add a small brass handle on its right side. Keep the background, lighting and composition exactly as they are.
Frequently asked questions
Is Seedream 5.0 Flash better than 5.0 Lite?
On our twelve prompts it was better at layout, composition and editing, and faster. Lite was better at the chart and the product shot. Neither is the tier for text that must be exact; that is Seedream 5.0 Pro.
Which is cheaper?
Flash, at $0.027 an image on fal against $0.035 for Lite. Lite's endpoint also insists on 2K or larger, so its files are bigger.
Were both run the same way?
Same prompts, one attempt each, through fal. Lite ran in September at 2K, its minimum; Flash on 22 October at about 1K, our standard sizes.
Voyager
Run any of these inside Voyager
Voyager is an agent for creative work that runs every model on this page. Brief it, and it picks the model for the job, makes the thing and hands back something you can edit. Create an account to get started.