OpenAI / gpt-5.4-mini
GPT-5.4 Mini stands out for Fast GPT tier for coding and subagents and Strong at targeted code edits and quick debug loops. It is best suited to interactive coding loops and focused subagent tasks.
Context
200K
token
Input
$0.75
/ 1M tokens
Output
$4.50
/ 1M tokens
Quality
#40
Elo 1280
Overview
GPT-5.4 Mini stands out for Fast GPT tier for coding and subagents and Strong at targeted code edits and quick debug loops. It is best suited to interactive coding loops and focused subagent tasks.
Tool calling
Can call tools or functions, so product flows can connect model output to backend actions.
Streaming
Supports streamed responses for chat, assistants, and interfaces that need visible incremental output.
Model maker
OpenAI
Called through SeaLink's unified account, balance, and OpenAI-compatible API.
Protocol
OpenAI-compatible Chat Completions
Base URL: https://api.sealink.io/v1
Pricing
Light production run
100K input + 25K output
$0.1875
Higher-volume run
1M input + 250K output
$1.875
The final charge follows generated usage and the applicable selector, such as resolution, duration, input type, or provider unit.
API
model
gpt-5.4-minibase_url
https://api.sealink.io/v1Auth
Bearer $SEALINK_API_KEYcurl https://api.sealink.io/v1/chat/completions \-H "Authorization: Bearer $SEALINK_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "gpt-5.4-mini","messages": [{"role": "user", "content": "Hello."}]}'
from openai import OpenAIclient = OpenAI(base_url="https://api.sealink.io/v1", api_key="<your-sealink-key>")resp = client.chat.completions.create(model="gpt-5.4-mini",messages=[{"role": "user", "content": "Hello."}],)print(resp.choices[0].message.content)
import OpenAI from "openai";const client = new OpenAI({baseURL: "https://api.sealink.io/v1",apiKey: process.env.SEALINK_API_KEY,});const resp = await client.chat.completions.create({model: "gpt-5.4-mini",messages: [{ role: "user", content: "Hello." }],});console.log(resp.choices[0].message.content);