GPT 5.5

GPT-5.5 is a cutting-edge model launched by OpenAI, designed for complex professional work scenarios. It further enhances reasoning capability and operational stability based on GPT-5.4, and optimizes token usage efficiency for high-difficulty tasks. Boasting a context window of over one million tokens, the model supports dual input of text and images, and can accomplish large-scale logical reasoning, code writing and multimodal workflows within a single system.

byOPENAIInput TypeOutput TypeContext Window1MMax Output128K

Providers

This model is available from multiple providers. Select one to see its pricing and sample code.

OPENAIDefault

$4.00 / $24.00 / R:$0.40 · tiered/ 1M tokens0.80× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Official OpenAI Channels

Azure

$3.00 / $18.00 / R:$0.30 · tiered/ 1M tokens0.60× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Official Microsoft Azure Channels

Codex

$1.00 / $6.00 / R:$0.10 · tiered/ 1M tokens0.20× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Sourced from ChatGPT Pro Membership,Recommended for Codex

Pricing

Transparent pay-as-you-go pricing by token usage — no subscriptions or hidden fees.

OPENAI

openai/gpt-5.5

Prices forchange

Per 1M tokens

Tier / Input lengthInput / 1MOutput / 1MCache read / 1MCache write / 1M

standard

≤ 272,000 input tokens

$4.00$24.00$0.40—

long_context

> 272,000 input tokens

$8.00$36.00$0.80—

Code

Copy an example below to start calling this model in minutes.

API / request example

Sample Code & API

Create API Key

from openai import OpenAI

client = OpenAI(
    base_url="https://api.apipod.ai/v1",
    api_key="<YOUR_API_KEY>",
)

# Chat Completions
completion = client.chat.completions.create(
    model="gpt-5.5",
    messages=[
        {
            "role": "user",
            "content": "What is the meaning of life?",
        }
    ],
)
print(completion.choices[0].message.content)

from openai import OpenAI client = OpenAI( base_url="https://api.apipod.ai/v1", api_key="<YOUR_API_KEY>", ) # Chat Completions completion = client.chat.completions.create( model="gpt-5.5", messages=[ { "role": "user", "content": "What is the meaning of life?", } ], ) print(completion.choices[0].message.content)