GPT 5.4 Mini via the Tokenator API

What the model is for

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Specification

Full nameGPT 5.4 Mini
API IDgpt-5.4-mini
Model vendorOpenAI
TypeText model (chat / completions)
Context window400K tokens
Max output128K tokens
Image inputyes
Tokenator usage multiplier1.6×
Input modalitiestext, image, file
Aliasescursor-gpt-5.4-mini
Supported API formats/v1/chat/completions /v1/responses /v1/messages
Upstream providers2
Current statusavailable
Data updated2026-08-04

Benchmarks

Intelligence index40
Coding index56.1
Agentic index30.2

Artificial Analysis data loaded into the catalog for this model.

Upstream providers

ProviderMultiplier
OpenAI Plus1.6×
AiPartners Ltd1.6×

A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.

Example request

curl
curl https://api.tokenator.top/v1/chat/completions \
  -H "Authorization: Bearer sk-your-tokenator-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4-mini",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Compatible tools

The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, OpenClaw.

FAQ about GPT 5.4 Mini

What is the API ID of GPT 5.4 Mini?

gpt-5.4-mini — put this into the model field of your request.

What context window does GPT 5.4 Mini have?

400K tokens; max output is 128K tokens.

How many tokens will a request cost?

(input + output) × 1.6×. See the documentation for details.

Which tools support this model?

Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.