gen-4.5 API
1 host currently serve gen-4.5 through VideoRouter. The lowest price is $0.12 / second (Price) at Replicate.
gen-4.5 pricing by provider
| Host | Price |
|---|---|
Replicate replicate | $0.12 |
USD per second, before the 2% platform fee. Bold = cheapest at that tier. — = host does not offer that tier. Built 2026-10-02.
What it costs per clip
At the cheapest current host for each tier:
| Tier | Cheapest host | 5 s clip | 10 s clip | 1 min |
|---|---|---|---|---|
| Price | Replicate | $0.60 | $1.20 | $7.20 |
How to call gen-4.5
Model id: runway/gen-4.5. Preferring the cheapest host right now:
curl https://videorouter.sh/api/v1/videos \
-H "Authorization: Bearer $VIDEOROUTER_API_KEY" -H "Content-Type: application/json" \
-d '{"model": "runway/gen-4.5/replicate", "prompt": "a paper airplane gliding over a city", "duration_secs": 5}'
# returns a job id; poll GET /api/v1/videos/{id} until status is completed or failed (polling is free)Drop the host suffix (runway/gen-4.5) to let the router pick the cheapest healthy host and fail over automatically. Full examples in the quickstart.
Frequently asked questions
How much does the gen-4.5 API cost?
The lowest current price is $0.12 / second (Price) at Replicate; the full host-by-host table is on this page, before VideoRouter's 2% platform fee.
What is the gen-4.5 API model id?
Use runway/gen-4.5. Add a host suffix such as runway/gen-4.5/replicate to pin a specific provider.
Which provider is cheapest for gen-4.5?
Right now Replicate at Price. Prices change, so unpinned requests route to the cheapest healthy host instead of hard-coding one.