GPT-5.5

gpt-5.5 by OpenAI Released April 25, 2026
ReasoningFunction callingStructured outputPrompt cachingWeb searchComputer useImage inputFile inputAudio inputVideo inputEU hostingFree endpointUp to % off
Input from
$5 / 1M
Output from
$30 / 1M
Cached input from
$0.5 / 1M
Context window
1.05M
Endpoints
8
from 4 providers
Regions
Global, Europe, United States

About GPT-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks.

GPT-5.5 is a chat model by OpenAI, available on Eden AI through 8 endpoints from 4 providers, from $5 per million input tokens and $30 per million output tokens, with a context window of up to 1.05M tokens.

Providers and prices

8 endpoints from 4 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: $10 input / $45 output per 1M.

Endpoint
Region
Context
Input / 1M
Output / 1M
Cached / 1M
Supports
Microsoft AzureOfficial−%azure/gpt-5.5
Global
922K
$5$5
$30
$0.5
ReasoningToolsJSONCacheVisionWeb
Databricks (Europe)Official−%databricks/databricks-gpt-5-5@eu
Europe
922K
$5$5
$30
$0.5
ReasoningToolsJSONCacheVisionWeb
DatabricksOfficial−%databricks/databricks-gpt-5-5
Global
922K
$5$5
$30
$0.5
ReasoningToolsJSONCacheVisionWeb
OpenAIOfficial−%openai/gpt-5.5
Global
1.05M
$5$5
$30
$0.5
ReasoningToolsJSONCacheVisionWeb
Amazon Web ServicesOfficial−%amazon/openai.gpt-5.5
Global
1M
$5.5$5.5
$33
$0.55
ReasoningToolsJSONCacheVisionWeb
Amazon Web Services (United States)Official−%amazon/openai.gpt-5.5@us
United States
1M
$5.5$5.5
$33
$0.55
ReasoningToolsJSONCacheVisionWeb
Microsoft Azure (Europe)Official−%azure/gpt-5.5@eu
Europe
922K
$5.5$5.5
$33
$0.55
ReasoningToolsJSONCacheVisionWeb
Microsoft Azure (United States)Official−%azure/gpt-5.5@us
United States
922K
$5.5$5.5
$33
$0.55
ReasoningToolsJSONCacheVisionWeb

Performance

Measured on real Eden AI traffic over the last 30 days. Endpoints with too little traffic are not shown.

Fastest first token
0.74 s
Microsoft Azure (Europe)
Lowest latency
2.9 s
Amazon Web Services
Highest throughput
74.86 tok/s
Microsoft Azure (Europe)
Best availability
100%
Amazon Web Services
Endpoint
First token
Latency p50
Latency p95
Throughput
Availability
Cache hits
Tool errors
JSON errors
Microsoft Azure
1.03 s
4.07 s
21.76 s
63.02 tok/s
100%
69.1%
0%
0%
Databricks (Europe)
s
s
s
tok/s
%
%
%
%
Databricks
s
s
s
tok/s
%
%
%
%
OpenAI
2.32 s
4.53 s
19.31 s
58.09 tok/s
99.99%
93.96%
0.08%
99.35%
Amazon Web Services
2.5 s
2.9 s
9.56 s
67.99 tok/s
100%
55.96%
0%
0%
Amazon Web Services (United States)
s
s
s
tok/s
%
%
%
%
Microsoft Azure (Europe)
0.74 s
9.83 s
23.85 s
74.86 tok/s
100%
8.25%
0%
0%
Microsoft Azure (United States)
s
s
s
tok/s
%
%
%
%

Estimate your monthly cost

Enter your expected volume to compare every endpoint at once.

Call GPT-5.5 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

On Eden AI, prices for this model start at $5 per million input tokens and $30 per million output tokens. Prices differ by endpoint; the providers table lists each one. Above 272K tokens: $10 input / $45 output per 1M.

Up to 1.05M tokens, depending on the endpoint.

8 endpoints from 4 providers, available in: Global, Europe, United States. 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 0.74 s (Microsoft Azure (Europe)) and the highest throughput was 74.86 tokens per second (Microsoft Azure (Europe)).