HeyGen: Avatar IV
heygen/avatar-iv
HeyGen: Avatar IV is an image-to-video model that animates a single photo into an expressive, lip-synced talking-head video. Rather than only matching mouth shapes to words, it interprets the vocal...
Price
No published list price.
Providers
Each row is one seller. Prices are the published rate from that source. A dash means that source did not publish the amount. Sorted by a 3:1 blend of input and output.
| Provider | Tag | Quant | Input | Output | Context | Uptime | Status | Source |
|---|---|---|---|---|---|---|---|---|
| HeyGen | heygen | — | $0/1M | $0/1M | — | — | Live | openrouter-endpoints |
Monthly bill
Token models use the token counts. Image, video, and audio models use units times the flat rate.
No published price at list price for this workload
Every rate
| Unit | Input | Output | Flat | Confidence |
|---|---|---|---|---|
| token | Not published— | Not published— | Not published— | official |
Price history
input or flat output
Daily snapshots
| UTC date | Unit | Input | Output | Flat |
|---|---|---|---|---|
| 2026-09-15 | token | $0 | $0 | Not published— |
| 2026-09-16 | token | $0 | $0 | Not published— |
| 2026-09-17 | token | $0 | $0 | Not published— |
| 2026-09-18 | token | $0 | $0 | Not published— |
| 2026-09-19 | token | $0 | $0 | Not published— |
| 2026-09-20 | token | $0 | $0 | Not published— |
| 2026-09-21 | token | $0 | $0 | Not published— |
| 2026-09-22 | token | $0 | $0 | Not published— |
| 2026-09-23 | token | $0 | $0 | Not published— |
| 2026-09-24 | token | $0 | $0 | Not published— |
| 2026-09-25 | token | $0 | $0 | Not published— |
| 2026-09-26 | token | $0 | $0 | Not published— |
| 2026-09-27 | token | $0 | $0 | Not published— |
| 2026-09-28 | token | $0 | $0 | Not published— |
| 2026-09-29 | token | $0 | $0 | Not published— |
| 2026-09-30 | token | $0 | $0 | Not published— |
| 2026-10-01 | token | $0 | $0 | Not published— |
| 2026-10-02 | token | $0 | $0 | Not published— |
| 2026-10-03 | token | $0 | $0 | Not published— |
| 2026-10-04 | token | $0 | $0 | Not published— |
| 2026-10-05 | token | $0 | $0 | Not published— |
| 2026-10-06 | token | $0 | $0 | Not published— |
| 2026-10-07 | token | $0 | $0 | Not published— |
| 2026-10-08 | token | Not published— | Not published— | Not published— |
| 2026-10-09 | token | Not published— | Not published— | Not published— |
| 2026-10-10 | token | Not published— | Not published— | Not published— |
| 2026-10-11 | token | Not published— | Not published— | Not published— |
| 2026-10-12 | token | Not published— | Not published— | Not published— |
| 2026-10-13 | token | Not published— | Not published— | Not published— |
| 2026-10-14 | token | Not published— | Not published— | Not published— |
| 2026-10-15 | token | Not published— | Not published— | Not published— |
| 2026-10-16 | token | Not published— | Not published— | Not published— |
| 2026-10-17 | token | Not published— | Not published— | Not published— |
| 2026-10-18 | token | Not published— | Not published— | Not published— |
| 2026-10-19 | token | Not published— | Not published— | Not published— |
| 2026-10-20 | token | Not published— | Not published— | Not published— |
| 2026-10-21 | token | Not published— | Not published— | Not published— |
| 2026-10-22 | token | Not published— | Not published— | Not published— |
| 2026-10-23 | token | Not published— | Not published— | Not published— |
| 2026-10-24 | token | Not published— | Not published— | Not published— |
| 2026-10-25 | token | Not published— | Not published— | Not published— |
| 2026-10-26 | token | Not published— | Not published— | Not published— |
| 2026-10-27 | token | Not published— | Not published— | Not published— |
| 2026-10-28 | token | Not published— | Not published— | Not published— |
| 2026-10-29 | token | Not published— | Not published— | Not published— |
| 2026-10-30 | token | Not published— | Not published— | Not published— |
Alternatives
Call this model
OpenRouter id heygen/avatar-iv. InferenceList does not send the request.
curl
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"heygen/avatar-iv","messages":[{"role":"user","content":"Hello"}]}'
JavaScript
await fetch("https://openrouter.ai/api/v1/chat/completions", {
method: "POST",
headers: {
Authorization: "Bearer " + process.env.OPENROUTER_API_KEY,
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "heygen/avatar-iv",
messages: [{ role: "user", content: "Hello" }],
}),
});
Python
import os, json, urllib.request
req = urllib.request.Request(
"https://openrouter.ai/api/v1/chat/completions",
data=json.dumps({"model": "heygen/avatar-iv", "messages": [{"role": "user", "content": "Hello"}]}).encode(),
headers={"Authorization": "Bearer " + os.environ["OPENROUTER_API_KEY"], "Content-Type": "application/json"},
)
print(urllib.request.urlopen(req).read().decode())