per 1M tokens
Fish Audio: S2.1 Pro Free (free)
fish-audio/s2.1-pro-free:free
S2.1 Pro Free is the no-cost variant of Fish Audio S2.1 Pro, intended for testing, prototyping, and low-volume applications. It provides the same synthesis capabilities without production latency or availability...
Price
per 1M tokens
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.
No provider prices yet.
Monthly bill
Token models use the token counts. Image, video, and audio models use units times the flat rate.
$0.00 at list price for this workload
Every rate
| Unit | Input | Output | Flat | Confidence |
|---|---|---|---|---|
| token | $0/1M | $0/1M | 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 | $0 | $0 | Not published— |
| 2026-10-09 | token | $0 | $0 | Not published— |
| 2026-10-10 | token | $0 | $0 | Not published— |
| 2026-10-11 | token | $0 | $0 | Not published— |
| 2026-10-12 | token | $0 | $0 | Not published— |
| 2026-10-13 | token | $0 | $0 | Not published— |
| 2026-10-14 | token | $0 | $0 | Not published— |
| 2026-10-15 | token | $0 | $0 | Not published— |
| 2026-10-16 | token | $0 | $0 | Not published— |
| 2026-10-17 | token | $0 | $0 | Not published— |
| 2026-10-18 | token | $0 | $0 | Not published— |
| 2026-10-19 | token | $0 | $0 | Not published— |
| 2026-10-20 | token | $0 | $0 | Not published— |
| 2026-10-21 | token | $0 | $0 | Not published— |
| 2026-10-22 | token | $0 | $0 | Not published— |
| 2026-10-23 | token | $0 | $0 | Not published— |
| 2026-10-24 | token | $0 | $0 | Not published— |
| 2026-10-25 | token | $0 | $0 | Not published— |
| 2026-10-26 | token | $0 | $0 | Not published— |
| 2026-10-27 | token | $0 | $0 | Not published— |
| 2026-10-28 | token | $0 | $0 | Not published— |
| 2026-10-29 | token | $0 | $0 | Not published— |
| 2026-10-30 | token | $0 | $0 | Not published— |
Alternatives
Call this model
OpenRouter id fish-audio/s2.1-pro-free:free. 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":"fish-audio/s2.1-pro-free:free","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: "fish-audio/s2.1-pro-free:free",
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": "fish-audio/s2.1-pro-free:free", "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())