AssemblyAI: Universal-3.6 Pro
assemblyai/universal-3-6-pro
Universal-3.6 Pro is AssemblyAI's speech-to-text model and the successor to Universal-3.5 Pro, served here through AssemblyAI's Sync API. Compared with Universal-3.5 Pro, AssemblyAI reports 30% fewer errors on short conversational...
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 |
|---|---|---|---|---|---|---|---|---|
| AssemblyAI | assemblyai | — | $83.333/1M | $0/1M | — | 100% | 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
No numeric history is available for a chart.
Daily snapshots
| UTC date | Unit | Input | Output | Flat |
|---|---|---|---|---|
| 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
- Fish Audio: S2.1 Pro Free (free)$0/1M · Compare
- HeyGen: HeyGen Voice Turbo (free)$0/1M · Compare
- NVIDIA: Nemotron 3 Nano Omni (free)$0/1M · Compare
- Thinking Machines: Inkling (free)$0/1M · Compare
- Thinking Machines: Inkling Small (free)$0/1M · Compare
- nvidia/Nemotron-3.5-ASR-Streaming-Multilingual-0.6b$0.000003/second audio · Compare
Call this model
OpenRouter id assemblyai/universal-3-6-pro. 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":"assemblyai/universal-3-6-pro","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: "assemblyai/universal-3-6-pro",
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": "assemblyai/universal-3-6-pro", "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())