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OpenAI
GPT-5.5
GPT-5.5 is OpenAI's frontier model for complex reasoning and coding. Start here for the hardest professional workloads; supports text and image input with a 1M context window.
Quick Stats
Context
1050K
Max Output
128K
Provider
OpenAI
Specs
2
Modalities
in filein imagein textout text
Specs & List Price (per 1M tokens)
Quality
Input $5Output $30Cache read $0.5
Value
Input $5Output $22.5Cache read $0.5
Recommended Plan
GPT-5.5 Starter Plan
Pay-as-you-go after top-up; $1 free credit for new users.
API Endpoint
Model ID
openai/gpt-5.5cURL
curl https://intertoken.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENPORTAL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.5",
"messages": [{"role": "user", "content": "Hello!"}]
}'Python
from openai import OpenAI
client = OpenAI(
base_url="https://intertoken.ai/v1",
api_key="$TOKENPORTAL_API_KEY",
)
resp = client.chat.completions.create(
model="openai/gpt-5.5",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Start using this model
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