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Input / 1M
$0.750
Output / 1M
$4.50
Context
400K tokens
Max output
128K tokens
Input
Text, Image, Pdf
Released
7mo ago
Pricing
Input tokens$0.750 per 1M
Output tokens$4.50 per 1M
Provider list priceExactly what your balance is debited; our fee is charged when you buy credits
About GPT 5.4 Mini
Strong small GPT for coding subagents, quick tool use, and high-volume work
VisionReasoningTools
What it supports
- Tool calling (function calling)
- JSON mode and structured output
- Image input (vision)
- Audio input
- Extended reasoning
- Streaming responses
- OpenAI SDK, Anthropic SDK and any OpenAI-compatible client
Make a request
curl https://rapidrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.4-mini-2026-03-17",
"messages": [{ "role": "user", "content": "Hello" }]
}'Frequently asked
How do I call GPT 5.4 Mini through an OpenAI-compatible API?
Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to openai/gpt-5.4-mini-2026-03-17. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.
What is the context window of GPT 5.4 Mini?
GPT 5.4 Mini has a context window of 400,000 tokens on Rapid Router, and returns up to 128,000 output tokens per reply.
What can GPT 5.4 Mini do?
On Rapid Router, GPT 5.4 Mini supports tool calling, JSON mode, image input, extended reasoning.