Platform
TEXT → TEXT · OpenAI

GPT-5.5

GPT-5.5, the successor to GPT-5.4, is a frontier model in the GPT-5 series with a 1M+ context window, offering improved agentic and long context performance.
PRICE0.045 creditsper 1k tokens
AVG TIME~20sestimate
OUTPUTtextsync
Open in playground

Inputs

promptrequired · text
textoptional · Context — artifact id or https URL
imageoptional · Image — artifact id or https URL
Monthly estimate
1,000 × 0.045 credits45.00 credits
curl https://platform.4i.app/api/v1/run \
  -H "Authorization: Bearer $FOURI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "service": "openai/gpt-5-5",
    "input": {
      "prompt": "Ask for some text, or about an attached image…"
    }
  }'
Every output has an artifact_id. Pass it as input to any compatible service.
Get your API key →