GPT-5.3 CodexAPI
OpenAI GPT-5.3 Codex — coding-specialized.
Prezzo input
$0.70
per 1M tokens
Prezzo output
$5.60
per 1M tokens
Prompt caching
Passa cache_control sui prefix stabili — gli hit di cache vengono fatturati a una frazione del prezzo di input. Le scritture di cache restano alla tariffa di input normale.
Calcolato automaticamente come input × 0.2
Specifiche
- ID modello
gpt-5-3-codex- Endpoint
POST /v1/chat/completions- Categoria
- Text
- Provider
- OpenAI
- Capability
- functionstreamingthinkinglong-context
Compatibilità OpenAI drop-in
Punta il tuo SDK OpenAI esistente a api.kunavo.com/v1 e sostituisci l'ID del modello. Niente cambi di streaming, nessun nuovo SDK.
Vedi la docGPT API pricing guideProvalo tu stesso
Imposta KUNAVO_API_KEY da /app/keys ed esegui lo snippet sotto.
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.