GPT-5.4API
OpenAI GPT-5.4 — strong general reasoning, 1M context.
Input price
$1.00
per 1M tokens
Output price
$6.00
per 1M tokens
Prompt caching
Pass cache_control on a stable prefix and cache hits bill at a fraction of input. Cache writes bill at the plain input rate.
Auto-derived from input × 0.2
Specs
- Model ID
gpt-5-4- Endpoint
POST /v1/chat/completions- Category
- Text
- Provider
- OpenAI
- Capabilities
- functionstreamingthinkinglong-context
Drop-in OpenAI compatibility
Point your existing OpenAI SDK at api.kunavo.com/v1 and swap the model id. No streaming changes, no SDK changes.
View docsGPT API pricing guideTry it
Set KUNAVO_API_KEY from /app/keys, then run any of the snippets below.
curl https://api.kunavo.com/v1/chat/completions \
-H "Authorization: Bearer $KUNAVO_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5-4",
"messages": [
{"role": "user", "content": "Hello, GPT-5.4"}
],
"stream": false
}'FAQ
How much does GPT-5.4 cost?
On Kunavo, GPT-5.4 is $1.00 per 1M input tokens and $6.00 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-5.4 with the OpenAI SDK?
Yes. Set base_url to https://api.kunavo.com/v1, pass your Kunavo key, and set model to "gpt-5-4". Requests and responses are OpenAI-compatible.
What endpoint does GPT-5.4 use?
GPT-5.4 is called via POST /v1/chat/completions on Kunavo's OpenAI-compatible API.
What is GPT-5.4 good for?
GPT-5.4 is a text model from OpenAI, with support for function, streaming, thinking, long-context.