Pricing
Prices in USD. Prepaid credits, no seats, no expiry.
Last reviewed 2026-08-25
Voice
Text to speech is billed per character of input text. Voice Changer is billed per second of input audio.
| Model | Model id | Price | Unit |
|---|---|---|---|
| Kokoro 82M | kokoro-82m | $3.00 per 1M characters | Input characters |
| Chatterbox | chatterbox | $6.00 per 1M characters | Input characters |
| Chatterbox Voice Conversion | chatterbox-vc | $0.060 per minute | Input audio, billed per second |
Speech to text
Billed per minute of audio. Transcription and translation share the rate.
| Model | Model id | Price | Unit |
|---|---|---|---|
| Whisper Large v3 Turbo | whisper-large-v3 | $0.006 per minute | Audio minutes |
Text
Billed per token. Input and output tokens are priced separately, as in the usage block of every response. Reasoning tokens count as output tokens. Realtime voice sessions are billed as audio minutes in, tokens, and characters out, at the rates on this page.
| Model | Model id | Input per 1M tokens | Output per 1M tokens |
|---|---|---|---|
| Qwen3.8 27B | qwen3.8-27b | $0.30 | $2.50 |
Embeddings
| Model | Model id | Price per 1M tokens |
|---|---|---|
| Qwen3 Embedding 0.6B | qwen3-embedding-0.6b | $0.010 |
Batch
Billed per token. The 24h tier is the OpenAI completion_window. Flex is requested through metadata: {"tier": "flex"} and can take up to 72 hours.
| Model | Model id | 24h tier per 1M tokens | Flex tier per 1M tokens |
|---|---|---|---|
| Qwen3.8 27B | qwen3.8-27b-batch | $0.22 | $0.15 |
Billing
Prepaid
Buy credits from $5 to $1,000 with a card. Each request debits the balance.
No seats
One balance per account. Any number of keys, each with its own optional spend limit.
No expiry
Credits stay until used.
Empty balance
Requests return 402 with code insufficient_balance. Nothing is queued.
Price changes
Every price has an effective date. Usage is billed at the price in effect when the request was made, so past invoices never change.