3 providers · 4 free models · Last updated: 12 Nov 2026
Free text-to-speech API endpoints for voice synthesis and voice agents, including Groq (CanopyLabs Orpheus) and Deepgram (Aura) with generous free allowances and no credit card required.
Total available in this directory: 3 providers, 4 free models. Verified limits below.
Text-to-speech audio synthesis with Orpheus on Groq.
Base URL: https://api.groq.com/openai/v1
Model: canopylabs/orpheus-v1-english
Provider: GroqPython (OpenAI SDK):
from openai import OpenAI
client = OpenAI(
base_url="https://api.groq.com/openai/v1",
api_key="your-api-key", # from Groq
)
response = client.chat.completions.create(
model="canopylabs/orpheus-v1-english",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
cURL (Terminal / Shell):
curl -X POST "https://api.groq.com/openai/v1/chat/completions" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $API_KEY" \
-d '{
"model": "canopylabs/orpheus-v1-english",
"messages": [{"role": "user", "content": "Hello!"}]
}'
| Model | Provider | Cost | Context | RPM | TPM | RPD | Day tokens | Verified |
|---|---|---|---|---|---|---|---|---|
| canopylabs/orpheus-v1-english | $0 | Text-to-speech | 10 | 1.2K ASH (Audio sec/hr) | 100 | 3.6K ASD (1h audio/day) | 2026-11-12 | |
| canopylabs/orpheus-arabic-saudi | $0 | Text-to-speech | 10 | 1.2K ASH (Audio sec/hr) | 100 | 3.6K ASD (1h audio/day) | 2026-11-12 | |
| magpie-tts-zeroshot | $0 | Model-dependent | ~40 | Not published | Not published | ~1,000 credits at signup (up to ~5,000) | 2026-11-12 | |
| aura | $0 | N/A | N/A | N/A | N/A | N/A | 2026-11-12 |
Machine-readable: Markdown Twin · providers.json · sitemap.xml