Overview
Model specifications
- Context
- 128,000 tokens
- Maximum output
- 16,384 tokens
- Architecture
- text+audio->text+audio
- Tokenizer
- GPT
- Knowledge cutoff
- Not provided
- Moderated
- Yes
OPENROUTER
Complete pricing
Synchronized OpenRouter rates. Token prices are shown per one million tokens.
- Input
- $2.5 per 1M tokens
- Output
- $10 per 1M tokens
- Audio input
- $32 per 1M tokens
- Audio output
- $64 per 1M tokens
API
Quick start
Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.
Choose a supported voice. Replace YOUR_VOICE_ID if no voice is listed.
curl --fail-with-body -N https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"openai/gpt-audio","messages":[{"role":"user","content":"Hello!"}],"modalities":["text","audio"],"audio":{"voice":"YOUR_VOICE_ID","format":"wav"},"stream":true}'Capabilities
Input → Output
Input
textaudio
Output
textaudio
API
Supported API parameters
frequency_penaltylogit_biaslogprobsmax_tokenspresence_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_pAvailable providers
1 Provider
Checked: September 7, 2026
Live providers on OpenRouter
OpenRouter Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.
OpenAI
Not provided- Context
- 128K
- Maximum output
- 16K