Seedream 5.0 Provs.Stable Diffusion 3.5 Large

Which one is better?

Seedream 5.0 Pro leads in both ratings: in our own test and in the arena. Stable Diffusion 3.5 Large has no API price.

Test images

Same task, the first image of each. The task with the biggest difference is preselected.

Seedream 5.0 Pro: Infographic, first image from the fixed test run — Seedream 5.0 Pro99 out of 100

Stable Diffusion 3.5 Large: Infographic, first image from the fixed test run — Stable Diffusion 3.5 Large39 out of 100

Result for “Infographic”:Seedream 5.0 Pro ahead

Prompt given to both modelsCreate a square German infographic titled SO FUNKTIONIERT PHOTOSYNTHESE. Show exactly four numbered steps in this order: 1 LICHT, 2 WASSER, 3 CO₂, 4 ZUCKER + SAUERSTOFF. Use a clean editorial science style with one plant cross-section, simple arrows, high contrast, legible labels, and no other text.

What the rating looks at: Numbers, labels, and visual organization.

“Ahead”: better in all three rating rounds. “Slightly ahead”: a higher value, but not in every round.

Test protocol of the images

Each test attempt uses the same archived prompt and one request. The first output of that attempt counts. Repeats after technical test failures are disclosed for the affected images. Files are normalized to 1,024 × 1,024 pixels without cropping. Provider resolution, randomness, quality tier and prompt processing can still differ. The images are a practical visual test, not a reconstruction of the arena configuration.

Character and detail

Seedream 5.0 Pro: openrouter, aspect ratio 1:1, resolution 1K, n=1, seed=provider random, actual cost $0.045000, generated Aug 14, 2026, 1:32 PM. Source

Stable Diffusion 3.5 Large: fal, requested 1024x1024, n=1, seed=7087247023770270000, estimated cost $0.068157, generated Aug 14, 2026, 2:37 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: 985a75b38642a9f0e5e0c0e0c67f1b7f67780d42bd2168fa24e9a7a7a94b0da6

Seedream 5.0 Pro image SHA 256: 06eb1919b5157094ba0ecf0ddcfb921ebbfc937c496cee7627f4717fdd4a7d90

Stable Diffusion 3.5 Large image SHA 256: e748006fe56e442ad347e3f994f18b86ee1739f20dcee063aa7a03ee710c5d54

Infographic

Seedream 5.0 Pro: openrouter, aspect ratio 1:1, resolution 1K, n=1, seed=provider random, actual cost $0.045000, generated Aug 14, 2026, 1:34 PM. Source

Stable Diffusion 3.5 Large: fal, requested 1024x1024, n=1, seed=12166653711354006000, estimated cost $0.068157, generated Aug 14, 2026, 2:37 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: ed65cb4e6a51e2336f8b149ad4cbb16e020f07d527ad94362e719d2dcf91d94f

Seedream 5.0 Pro image SHA 256: bec4d5de9deed41729f7e7d93f77450e76ddd0f579b5f0c74244a25e0c03a224

Stable Diffusion 3.5 Large image SHA 256: 4eb0fd741ef42e6d3fee4b1280cdfb098a0a04009b139051963895892e349f1e

Product photography

Seedream 5.0 Pro: openrouter, aspect ratio 1:1, resolution 1K, n=1, seed=provider random, actual cost $0.045000, generated Aug 14, 2026, 1:29 PM. Source

Stable Diffusion 3.5 Large: fal, requested 1024x1024, n=1, seed=13346308312015933000, estimated cost $0.068157, generated Aug 14, 2026, 2:37 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: c67fd71e91304458a2feef5c91efa8677260fab0c0099a29a2c52cb579f5b2f3

Seedream 5.0 Pro image SHA 256: fd38abd0e7bde742e8e859fbcbc76e4e96f443673445378a42364bc56382ac57

Stable Diffusion 3.5 Large image SHA 256: ea9a7401dee8859ec2cb96af9f7ca29a177ef2202f52f629d8ce9f5839bd4061

Typography and layout

Seedream 5.0 Pro: openrouter, aspect ratio 1:1, resolution 1K, n=1, seed=provider random, actual cost $0.045000, generated Aug 14, 2026, 2:05 PM. Source

Stable Diffusion 3.5 Large: fal, requested 1024x1024, n=1, seed=16632333557910893000, estimated cost $0.068157, generated Aug 14, 2026, 2:37 PM. Source

Protocol gradually-image-comparison-v1. Prompt SHA 256: 2e012c3d14ee5dd02203a94f394ca80a5038cdebd6032b25a8b8a221f2255419

Seedream 5.0 Pro image SHA 256: 4e9693d5da3e445b69cc5da6f869caddb88ca5560f010556b168ac8e9aaa70b2

Stable Diffusion 3.5 Large image SHA 256: e2994b1883a245b1c8c447957d121ea89d93aafff149029aa4e8507dbb769f9a

The numbers at a glance

Arena ratingfrom votes by users · higher is better

1,251

Seedream 5.0 Pro

Rank 10 of 21

938

Stable Diffusion 3.5 Large

Rank 21 of 21

GraduallyBenchour own rating, 0 to 100 · higher is better

Seedream 5.0 Pro

Rank 6 of 108

Stable Diffusion 3.5 Large

Rank 87 of 108

Price per imagedollars through the API · lower is better

$0.09

Seedream 5.0 Pro

expensive

n/a

Stable Diffusion 3.5 Large

no API price

Ranks among the 21 image models with an arena rating and the 108 with a GraduallyBench run; prices compared with 28 models with an API price.

Seedream 5.0 Pro

Subscription: No ByteDance subscription includes this model. Through other providers from €6.83 a month (Poe Basic, with limited points). 38 plans in Germany.
Via API: $0.09 per image, 100 images $9.

Stable Diffusion 3.5 Large

Subscription: n/a No plan in Germany names exactly this model.
Via API: No API price known. Access: API, local.
License: Open weights.

Subscriptions only count plans that name exactly this model. Subscription prices include VAT, API prices are in dollars.

Arena rating (LMArena) from Nov 6, 2026 · GraduallyBench from Nov 3, 2026 · API prices from Nov 6, 2026 · Subscription database from Sep 29, 2026 (38 days old)

All data side by side

The better value is bold. For ratings only when the gap is clear.

Kennzahl	Seedream 5.0 Pro	Stable Diffusion 3.5 Large
Ratings
Arena ratingfrom votes by users, higher is better	1,251	938
Arena rank	Rank 10 of 21	Rank 21 of 21
Arena votesmore votes, a safer rating	109,680	23,396
GraduallyBenchour own rating, 0 to 100	76	27
GraduallyBench by task
Typography and layoutLegible text, hierarchy, and composition	68	31
Product photographyMaterials, reflections, and fine details	77	17
Character and detailAnatomy, clothing, and spatial consistency	60	23
InfographicNumbers, labels, and visual organization	99	39
API price
Per imagelower is better	$0.09	n/a
100 images	$9	n/a
Profile
Released	July 2026	Oct 22, 2024
Weightsopen means: runs locally	proprietary	open
Access	API, Web app	API, local
Parameters	not published	8.1 billion
Largest output	2K	1 Megapixel
Plans in Germanynaming exactly this model	38	n/a

API prices for one image at 1,024 × 1,024 pixels according to Artificial Analysis.

Sources: Seedream 5.0 Pro model source (verified Aug 15, 2026) · Stable Diffusion 3.5 Large model source (verified Aug 15, 2026)

Arena ratings by category

From blind votes on LMArena. “Ahead” means the lead is clear.

Arena rating per categoryfrom votes by users · higher is betterSeedream 5.0 ProStable Diffusion 3.5 Large

Text to Image: 3D modeling1,247963ahead

Text to Image: Art1,259997ahead

Text to Image: Cartoon1,264945ahead

Text to Image: Commercial design1,236937ahead

Text to Image: Overall1,251938ahead

Text to Image: Photorealism1,274928ahead

Text to Image: Portraits1,287942ahead

Text to Image: Text rendering1,255921ahead

LMArena from Nov 6, 2026

All individual values with sources

Rating	Seedream 5.0 Pro	Stable Diffusion 3.5 Large	Source
Text to Image: 3D modeling	1,247	963	LMArenaRetrieved Nov 6, 2026
Text to Image: Art	1,259	997	LMArenaRetrieved Nov 6, 2026
Text to Image: Cartoon	1,264	945	LMArenaRetrieved Nov 6, 2026
Text to Image: Commercial design	1,236	937	LMArenaRetrieved Nov 6, 2026
Text to Image: Overall	1,251	938	LMArenaRetrieved Nov 6, 2026
Text to Image: Photorealism	1,274	928	LMArenaRetrieved Nov 6, 2026
Text to Image: Portraits	1,287	942	LMArenaRetrieved Nov 6, 2026
Text to Image: Text rendering	1,255	921	LMArenaRetrieved Nov 6, 2026

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