Models / GPT 5.5

GPT 5.5

Name: GPT 5.5
Brand: gpt-5
Price: 7 USD
Availability: InStock

Qwen Tier 1Proprietary

OpenAI GPT-5.5 — frontier reasoning. Via yylx gateway.

openai/gpt-5.5

Context Window

400K

Max Output

33K

Providers

Released

2026-01

Capabilities

ChatToolsFunction CallingStreaming

Pricing by Provider

Provider	Price	Latency p50	Latency p95	Status
yylx_codex	$7.00 /M in · $25.00 /M out	800ms	3000ms

Quick Start

Python

import magicrouter

mr = magicrouter.Client(
    provider_keys={"yylx_codex": "your-api-key"}
)

response = mr.chat(
    "openai/gpt-5.5",
    "Your prompt here"
)
print(response.choices[0].message.content)

TypeScript

import { MagicRouter } from "magicrouter";

const mr = new MagicRouter({
  providerKeys: { yylx_codex: "your-api-key" }
});

const response = await mr.chat({
  model: "openai/gpt-5.5",
  messages: [{ role: "user", content: "Your prompt here" }]
});
console.log(response.choices[0].message.content);

cURL

curl https://app.yylx.io/v1/chat/completions \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.5",
    "messages": [{"role": "user", "content": "Your prompt here"}]
  }'

Use this model

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