What is Runway Gen-4.5 on HeyYa?
Runway Gen-4.5 is listed as a Runway video model page in HeyYa. This draft separates local HeyYa support data from official Runway model facts.
Runway Gen 4 5
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Model facts
Runway Gen-4.5 facts for HeyYa
Use Runway Gen-4.5 on HeyYa with HeyYa support details separated from official Runway model facts.
HeyYa is an independent AI creation workspace and is not affiliated with Runway.
Official model facts
- Vendor
- Runway
- Model family
- Runway Gen
- Review status
- needs review
- Lifecycle
- No separate lifecycle note is published in this draft.
Official inputs
- text prompt
- image prompt
Official outputs
- video
Official variants
- Gen-4.5
Official limitations
- Runway Gen-4.5 copy needs review against current Runway help and research pages before claiming exact output settings or rollout details.
- Do not claim duration, resolution, or account access values outside current official docs and HeyYa support data.
HeyYa support
- Workspace page
- runway-gen-4-5
- Provider
- fal
- Availability
- available
- Pricing
- No HeyYa parameter-specific pricing preset is configured for this model
- Input
- prompt
- Output
- video
- Catalog status
- verified
- Sitemap
- Indexable
Parameter and capability summary
Runway Gen-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 | Runway |
| Model family | Runway Gen |
| Official inputs | text prompt, image prompt |
| Official outputs | video |
| Official variants | Gen-4.5 |
| HeyYa availability | available |
| HeyYa provider route | fal |
| HeyYa input | prompt |
| HeyYa output | video |
| HeyYa pricing | No HeyYa parameter-specific pricing preset is configured for this model |
| Parameter confidence | Official source mapped; publication copy pending |
Runway Gen-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 | optional |
| Tail image input | none |
| Max prompt length | 1000 characters |
| Aspect ratios | 16:9, 9:16, 1:1 |
| Durations | 5s, 10s |
| Resolutions | 720p, 1080p |
| Quality / size options | Not configured in HeyYa controls |
| 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 |
Runway Gen-4.5 HeyYa pricing coverage summary
HeyYa does not currently expose a parameter-specific pricing preset for this model in local pricing data, so this table reports pricing coverage instead of a credit value.
| Pricing field | Value |
|---|---|
| HeyYa parameter-specific preset | No HeyYa parameter-specific pricing preset is configured for this model |
| Local price source | No matching preset in web/lib/generation/pricing-presets.ts |
| Configured model route | runway.gen-4.5 |
| Provider availability | available |
| Supported controls | Modes: text-to-video, image-to-video; Durations: 5s, 10s; Resolutions: 720p, 1080p |
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 Runway Gen-4.5?
Current draft sources list text prompt, image prompt. Review current official Runway documentation before expanding this into public long-form copy.
What does Runway Gen-4.5 output?
Official facts currently list video. HeyYa's platform output field is maintained separately in the support object.
Which variants are related to Runway Gen-4.5?
The draft facts currently list Gen-4.5. Variant naming should be re-verified against official sources before publication.
Limitations
- Runway Gen-4.5 copy needs review against current Runway help and research pages before claiming exact output settings or rollout details.
- Do not claim duration, resolution, or account access values outside current official docs and HeyYa support data.
Sources and methodology
Last verified: 2026-06-30
- Runway Gen-4.5 announcement (official, high confidence): Official Runway research announcement for Gen-4.5.
- Runway Gen-4.5 help docs (official, high confidence): Official Runway help documentation for creating with Gen-4.5.
- 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