CosyVoice2 0.5B API

Run FunAudioLLM/CosyVoice2-0.5B through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

CosyVoice2 0.5B pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
Input
Output
Availability

Served by 1 provider

Requests route to SiliconFlow by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
siliconflow FunAudioLLM/CosyVoice2-0.5B
Quickstart

Call CosyVoice2 0.5B in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="FunAudioLLM/CosyVoice2-0.5B",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "FunAudioLLM/CosyVoice2-0.5B",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

CosyVoice2 0.5B — common questions

How much does the FunAudioLLM/CosyVoice2-0.5B API cost?

On FastInfra, FunAudioLLM/CosyVoice2-0.5B costs Pay-per-token pricing via provider routing. Billing is per token used, with no subscription.

Is FunAudioLLM/CosyVoice2-0.5B compatible with the OpenAI SDK?

Yes. FastInfra exposes FunAudioLLM/CosyVoice2-0.5B through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve FunAudioLLM/CosyVoice2-0.5B?

FunAudioLLM/CosyVoice2-0.5B is available from 1 provider(s): siliconflow. Requests route to SiliconFlow by default (cheapest); append ":provider" to the model ID to pin one.