5d5f62c6558f4de7928c2a8a85d6a67b

gpt-5.5-pro

Context

1M

Input

text, image

Output

text

Tool calling

Supported

About this model

GPT-5.5 Pro is the highest-capability model in the 5.5 lineup, optimized for the hardest tasks and long-running workflows. It uses significant compute to 'think' harder before answering, making it ideal for deep research, highly complex coding, and extensive multi-step problem solving.

Capabilities

text

Available through the unified API

image

Available through the unified API

Quick start

View API docs
curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "5d5f62c6558f4de7928c2a8a85d6a67b",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'

Providers

Available routing options for this model through OneInfer.

5d5f62c6558f4de7928c2a8a85d6a67b

5d5f62c6558f4de7928c2a8a85d6a67b

Available

Input

$0.000 / 1M

Output

$0.000 / 1M

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Input tokens$0.000 / 1M
Output tokens$0.000 / 1M

Performance

Published evaluation results associated with this model.

BrowseComp

score90.1

FrontierMath

score39.6

Humanity's Last Exam

score57.2

API example

curl https://api.oneinfer.ai/v1/chat/completions \
  -H "Authorization: Bearer $ONEINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "5d5f62c6558f4de7928c2a8a85d6a67b",
    "messages": [
      { "role": "user", "content": "Hello!" }
    ]
  }'