World Model IndexLast reviewed · October 15, 2026
Fast H3
H3 video and audio with queued clips and scene continuation.
- Provider
- Reactor
- Category
- Continuous video
- Published price
- $126.00 /hrReserved GPU session time, including idle time
- Resolution
- 1344 × 768 (16:9)
- Frame rate
- 24 fps output
- Access
- Public API
Capabilities
- Text prompts
- First / last frame
- Clip continuation
- Queue / autoplay
- Synchronized audio
Pricing & billing
Reactor’s public pricing API converts to $126.00/hr of reserved GPU session time. Idle time after readiness is billed.
Billing basis: Reserved GPU session time, including idle time
Quality evidence
No verified Elo score for this model.
Video Elo measures clip preference. World consistency and interaction latency require separate tests.
Related comparisons
Notes
Clips are queued for sequential playback. Per-frame action response has not been verified.
No verified Elo score for this hosted variant.
Sources
Last checked October 15, 2026. Specifications and prices use provider sources; Elo links to the evaluator.
- reactor.inchttps://www.reactor.inc/models/fast-h3
- docs.reactor.inchttps://docs.reactor.inc/model-api-reference/fast-h3/overview
- api.reactor.inchttps://api.reactor.inc/pricing
- docs.reactor.inchttps://docs.reactor.inc/resources/billing
Compare models
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