Speech 2.8 Hd API
MiniMax's text-to-speech model. Call it on 666 AI with the same API key as every other model. Pay as you go; prices follow the upstream in real time and this page updates hourly.
| Vendor | MiniMax |
| Type | text-to-speech |
| Price | $135 per 1M characters |
| Context window | 245K tokens |
| Live test | Passed our live test in the last 7 days |
| Model ID (use this in your request) | minimax/speech-2.8-hd |
How to call Speech 2.8 Hd
The API is OpenAI-compatible. Replace YOUR-ENDPOINT with the endpoint shown on your API Key page after you sign up, and YOUR-KEY with your key.
curl https://YOUR-ENDPOINT/v1/audio/speech \
-H "Authorization: Bearer YOUR-KEY" \
-H "Content-Type: application/json" \
-d '{"model": "minimax/speech-2.8-hd", "input": "Hello from 666 AI", "voice": "alloy"}' \
--output speech.mp3from openai import OpenAI
client = OpenAI(base_url="https://YOUR-ENDPOINT/v1", api_key="YOUR-KEY")
r = client.audio.speech.create(model="minimax/speech-2.8-hd", voice="alloy", input="Hello from 666 AI")
r.write_to_file("speech.mp3")Similar models — price comparison
| Model | Price |
|---|---|
| Eleven Flash V2.5 | $54 per 1M characters |
| Eleven Turbo V2.5 | $54 per 1M characters |
| Speech 2.8 Turbo | $81 per 1M characters |
| Eleven Multilingual V2 | $108 per 1M characters |
| Eleven V3 | $108 per 1M characters |
| Eleven V4 | $108 per 1M characters |
More models from MiniMax
| Model | Price |
|---|---|
| MiniMax M3 | $0.324 per 1M input tokens · $1.3 per 1M output tokens |
| H3 | $0.1755 per second |
| H3 Max | $0.108 per second |
| Hailuo 3 | $0.1755 per second |
| Hailuo 3 Max | $0.108 per second |
| Music 2.6 | $0.2025 per call |
FAQ
How much does the Speech 2.8 Hd API cost?
On 666 AI, Speech 2.8 Hd costs $135 per 1M characters. You pay only for what you use — no monthly fee. Prices follow the upstream in real time; this page updates every hour.
Can I use the official OpenAI SDK?
Yes. The API is OpenAI-compatible: in the OpenAI Python or Node.js SDK just change base_url and api_key, and set model to minimax/speech-2.8-hd.
How do I pay?
Bank card (including Google Pay / Apple Pay), USDT / ETH, or bank wire. Top up once and usage is deducted as you go.