GPT-5.3 CodexAPI
OpenAI GPT-5.3 Codex — coding-specialized.
Precio input
$0.70
per 1M tokens
Precio output
$5.60
per 1M tokens
Prompt caching
Pasa cache_control en prefijos estables — los hits de caché se facturan a una fracción del precio de input. Las escrituras de caché siempre al precio de input normal.
Calculado automáticamente como input × 0.2
Especificaciones
- ID del modelo
gpt-5-3-codex- Endpoint
POST /v1/chat/completions- Categoría
- Text
- Proveedor
- OpenAI
- Capacidades
- functionstreamingthinkinglong-context
Compatibilidad OpenAI drop-in
Apunta tu SDK de OpenAI a api.kunavo.com/v1 y cambia el ID del modelo. Sin cambios de streaming, sin SDK nuevo.
Ver docGPT API pricing guidePruébalo tú mismo
Configura KUNAVO_API_KEY desde /app/keys y ejecuta el snippet de abajo.
curl https://api.kunavo.com/v1/chat/completions \
-H "Authorization: Bearer $KUNAVO_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5-3-codex",
"messages": [
{"role": "user", "content": "Hello, GPT-5.3 Codex"}
],
"stream": false
}'FAQ
How much does GPT-5.3 Codex cost?
On Kunavo, GPT-5.3 Codex is $0.70 per 1M input tokens and $5.60 per 1M output tokens — about 60% under OpenAI's official price. Failed requests are never billed, and it's pay-as-you-go — you only pay for successful calls.
Can I call GPT-5.3 Codex with the OpenAI SDK?
Yes. Set base_url to https://api.kunavo.com/v1, pass your Kunavo key, and set model to "gpt-5-3-codex". Requests and responses are OpenAI-compatible.
What endpoint does GPT-5.3 Codex use?
GPT-5.3 Codex is called via POST /v1/chat/completions on Kunavo's OpenAI-compatible API.
What is GPT-5.3 Codex good for?
GPT-5.3 Codex is a text model from OpenAI, with support for function, streaming, thinking, long-context.