What is Seedream 4.5 on HeyYa?
Seedream 4.5 is listed as a ByteDance image model page in HeyYa. This draft separates local HeyYa support data from official ByteDance model facts.
Cost6credits·schat.
InloggenSeedream 4 5
Paste story material, choose context, and preview the audited Story-to-Video pipeline.
Model facts
Seedream 4.5 facts for HeyYa
Use Seedream 4.5 on HeyYa with HeyYa support details separated from official ByteDance model facts.
HeyYa is an independent AI creation workspace and is not affiliated with ByteDance.
Official model facts
- Vendor
- ByteDance
- Model family
- Seedream
- Review status
- needs review
- Lifecycle
- No separate lifecycle note is published in this draft.
Official inputs
- text prompt
- image reference
Official outputs
- image
Official variants
- Seedream 4.5
- Seedream 5.0 Lite
- Seedream 4.0
Official limitations
- Seedream 4.5 has an official ByteDance model page, but exact HeyYa route parameters and provider limits still need review.
- Do not claim output size, reference count, or editing limits unless verified against current ByteDance or BytePlus documentation.
HeyYa support
- Workspace page
- seedream-4-5
- Provider
- kie
- Availability
- available
- Pricing
- See parameter-specific credit presets below
- Input
- prompt
- Output
- image
- Catalog status
- verified
- Sitemap
- Indexable
Parameter and capability summary
Seedream 4.5 parameters and HeyYa support
Official model fields come from provider documentation when reviewed; HeyYa support fields come from the local page registry and model catalog.
| Field | Value |
|---|---|
| Vendor | ByteDance |
| Model family | Seedream |
| Official inputs | text prompt, image reference |
| Official outputs | image |
| Official variants | Seedream 4.5, Seedream 5.0 Lite, Seedream 4.0 |
| HeyYa availability | available |
| HeyYa provider route | kie |
| HeyYa input | prompt |
| HeyYa output | image |
| HeyYa pricing | 6-9 credits by parameter-specific HeyYa presets |
| Parameter confidence | Official source mapped; publication copy pending |
Seedream 4.5 capability summary
HeyYa local controls data supplies the supported inputs, aspect ratios, durations, resolutions, quality options, and toggles shown here.
| Capability | HeyYa value |
|---|---|
| Prompt input | required |
| Image input | none |
| Tail image input | none |
| Max prompt length | 4000 characters |
| Aspect ratios | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9 |
| Durations | Not configured in HeyYa controls |
| Resolutions | Not configured in HeyYa controls |
| Quality / size options | Standard, HD |
| Output counts | 1 |
| Audio generation | No audio toggle configured |
| Seed control | Supported |
| Negative prompt | No negative prompt control configured |
| Fixed camera | No fixed-camera control configured |
Seedream 4.5 HeyYa credit presets by parameter
HeyYa local pricing presets list the exact configured credit charge for each model mode, output size, resolution, and duration combination.
| Preset | Provider model | Mode | Size | Length | Credits | Tier |
|---|---|---|---|---|---|---|
| text-to-image / HIGH / image | seedream/4.5-text-to-image | text-to-image | HIGH | image | 9 credits | creator |
| text-to-image / MEDIUM / image | seedream/4.5-text-to-image | text-to-image | MEDIUM | image | 6 credits | creator |
Use cases
Use cases are not listed for this model page yet.
How-to
How-to guidance is not listed for this model page yet.
Comparison
Comparison notes are not listed for this model page yet.
Alternatives
Alternatives are not listed for this model page yet.
FAQ
What official inputs are listed for Seedream 4.5?
Current draft sources list text prompt, image reference. Review current official ByteDance documentation before expanding this into public long-form copy.
What does Seedream 4.5 output?
Official facts currently list image. HeyYa's platform output field is maintained separately in the support object.
Which variants are related to Seedream 4.5?
The draft facts currently list Seedream 4.5, Seedream 5.0 Lite, Seedream 4.0. Variant naming should be re-verified against official sources before publication.
Limitations
- Seedream 4.5 has an official ByteDance model page, but exact HeyYa route parameters and provider limits still need review.
- Do not claim output size, reference count, or editing limits unless verified against current ByteDance or BytePlus documentation.
Sources and methodology
Last verified: 2026-06-30
- ByteDance Seedream 4.5 (official, high confidence): Official ByteDance Seed page for Seedream 4.5 image generation and editing capabilities.
- BytePlus Seedream 4.0-5.0 tutorial (official, high confidence): Official BytePlus tutorial covering Seedream 4.0 through 5.0 image workflows.
- HeyYa page registry (local, high confidence): Credits, route slug, provider, provider status, input requirements, output type, sitemap, and noindex values come from the local page registry.web/lib/pages.ts
- HeyYa model catalog (local, high confidence): Display name, vendor, model category, modes, and default provider details come from the local model catalog when available.web/lib/models/catalog.ts