How much does GPT 5.5 Medium cost?

GPT 5.5 Medium is billed pay-as-you-go at $0.96 per 1M input tokens and $5.75 per 1M output tokens. There is no subscription — you only pay for what you use.

What can GPT 5.5 Medium do?

GPT 5.5 Medium supports Vision, Tool calling, Reasoning, Prompt caching.

Is GPT 5.5 Medium free to use?

GPT 5.5 Medium is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use GPT 5.5 Medium via the API?

GPT 5.5 Medium is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.5-medium with your Api.Airforce API key.

Who makes GPT 5.5 Medium?

GPT 5.5 Medium is Anthropic's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

AnthropicPaidOperational

GPT 5.5 Medium

API model name: gpt-5.5-medium

GPT 5.5 Medium is Anthropic's chat model, served on the Api.Airforce unified API. Capabilities include Vision, Tool calling, Reasoning, Prompt caching. It is priced at $0.96 per million input tokens and $5.75 per million output tokens. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$0.96

Output / 1M tokens

$5.75

Cache read / 1M tokens

$0.09

Cache write / 1M tokens

$8.75

Specifications

Provider: Anthropic
Type: chat model
Prompt caching: Supported

Capabilities

VisionTool callingReasoningPrompt caching

What is GPT 5.5 Medium used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Image understanding — analyze photos, screenshots, charts and scanned documents.
Agents & automation — function calling and tool use for multi-step workflows.
Complex reasoning — math, coding and step-by-step problem solving.

GPT 5.5 Medium vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
GPT 5.5 Medium	—	—	$0.96	$5.75
Claude Fable 5	—	—	$7.00	$35.00
Claude Haiku 4.5	—	200K	$0.50	$2.50
Claude Opus 4	—	—	$16.50	$82.50

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

GPT 5.5 Medium — frequently asked questions

How much does GPT 5.5 Medium cost?: GPT 5.5 Medium is billed pay-as-you-go at $0.96 per 1M input tokens and $5.75 per 1M output tokens. There is no subscription — you only pay for what you use.
What can GPT 5.5 Medium do?: GPT 5.5 Medium supports Vision, Tool calling, Reasoning, Prompt caching.
Is GPT 5.5 Medium free to use?: GPT 5.5 Medium is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use GPT 5.5 Medium via the API?: GPT 5.5 Medium is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gpt-5.5-medium with your Api.Airforce API key.
Who makes GPT 5.5 Medium?: GPT 5.5 Medium is Anthropic's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use GPT 5.5 Medium via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gpt-5.5-medium as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.5-medium",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="gpt-5.5-medium",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "gpt-5.5-medium",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);