Speech 2.5 HD Preview: Pricing, Performance & Examples
Speech 2.5 HD Preview is a text-to-speech model from MiniMax, released in December 2024, with a 3K-token context window, and pricing from $500000000 per 1M input tokens.
Ultimate similarity with ultra-high quality, supports 7 emotions
Speech 2.5 HD Preview pricing
Providers
Speech 2.5 HD Preview starts at $500000000 per million input tokens via MiniMax.
| Provider | Input $/M | Output $/M | Context in / out | TTFT p50 / p95 s | Output avg / p5 c/s | Success 7d | Modalities in / out |
|---|---|---|---|---|---|---|---|
 MiniMax | $500000000 | — | 2.5K/— | —/— | —/— | — | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests. Success is calculated from completed versus failed requests over the trailing seven days.
Speech 2.5 HD Preview context window
Input and output token limits for Speech 2.5 HD Preview, plus how it ranks on long-context understanding.
Speech 2.5 HD Preview API
Run a request to see the response
Use it in your code
OpenAI-compatible endpoint through the LLM Stats gateway.
import requests
response = requests.post(
"https://gateway.llm-stats.com/v1/tts/synthesize",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model_id": "speech-2.5-hd-preview",
"text": "Hello, this is a test.",
"format": "mp3",
"sample_rate": 24000,
},
)
with open("output.mp3", "wb") as f:
f.write(response.content)Need an API key? Create one above in the playground, or read the API documentation.
Speech 2.5 HD Preview latency
Speech 2.5 HD Preview time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.
Speech 2.5 HD Preview license
Speech 2.5 HD Preview is a proprietary model available under its provider's product and API terms.
- License
- Proprietary
- Hosted access
Proprietary license - usage restrictions apply
FAQ
Common questions about Speech 2.5 HD Preview.