GPT-5.5 Pro (2026-04-23)

gpt-5.5-pro-2026-04-23 by OpenAI Released April 25, 2026
ReasoningFunction callingStructured outputPrompt cachingWeb searchComputer useImage inputFile inputAudio inputVideo inputEU hostingFree endpointUp to % off
Input from
$30 / 1M
Output from
$180 / 1M
Cached input from
$ / 1M
Context window
1.05M
Endpoints
1
from 1 providers
Regions
Global

About GPT-5.5 Pro (2026-04-23)

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.

GPT-5.5 Pro (2026-04-23) is a chat model by OpenAI, available on Eden AI through 1 endpoint from 1 provider, from $30 per million input tokens and $180 per million output tokens, with a context window of up to 1.05M tokens.

Providers and prices

1 endpoints from 1 providers, cheapest first, in USD per million tokens. Every one is called with the same Eden AI key: pin one with its endpoint ID, or let Eden AI route for you. Above 272K tokens: $60 input / $270 output per 1M.

Endpoint
Region
Context
Input / 1M
Output / 1M
Cached / 1M
Supports
OpenAIOfficial−%openai/gpt-5.5-pro-2026-04-23
Global
1.05M
$30$30
$180
$
ReasoningToolsJSONCacheVisionWeb

Performance

Performance figures appear here once GPT-5.5 Pro (2026-04-23) has enough traffic on Eden AI to report them without exposing any single customer.

Estimate your monthly cost

Enter your expected volume to compare every endpoint at once.

Call GPT-5.5 Pro (2026-04-23) with Eden AI

Use the model ID to let Eden AI pick an endpoint, or an endpoint ID from the table above to pin one.

import requests

response = requests.post(
    "https://api.edenai.run/v3/chat/completions",
    headers={"Authorization": "Bearer YOUR_EDENAI_API_KEY"},
    json={
        "model": "",
        "messages": [{"role": "user", "content": "Hello!"}],
    },
)
print(response.json())

Questions about GPT-5.5 Pro (2026-04-23)

On Eden AI, prices for this model start at $30 per million input tokens and $180 per million output tokens. Prices differ by endpoint; the providers table lists each one. Above 272K tokens: $60 input / $270 output per 1M.

Up to 1.05M tokens, depending on the endpoint.

1 endpoints from 1 providers, available in: Global. All of them are called with the same Eden AI API key.

Yes. At least one endpoint is hosted in Europe; pin it with its endpoint ID from the providers table to keep requests in the EU.

Over the last 30 days, the fastest first token was s () and the highest throughput was tokens per second ().