GPT-5.5 API
gpt-5-5OpenAICommercial use API verifiedText & reasoning
GPT-5.5 — frontier reasoning and generation through one API.
by OpenAI
Pricing: Input 254.86 credits / 1M tokens (≈ $2.5486), Output 1,529.16 credits / 1M tokens (≈ $15.2916).
Save up to 54%with the $1,250 top-up pack (+10% bonus) — 49% lower than direct rates even without itTop up24H Status Monitor
Operational24h agonow
MODEL
gpt-5-5
Memory
Tools
Function calling
Web Access
Reasoning effort
Stream Response
Start a conversation with GPT-5.5
Input 254.86 · Output 1529.16 cr / 1M · billed per token
You only pay for successful generations — if a task fails or returns no result, its credits are refunded automatically, never charged. And your credits never expire: top up once and spend at your own pace.1 credit = $0.01 USDTop up $1,250 for +10% bonus credits → up to ~9% more off every call.Top up credits
GPT-5.5 API pricing2 prices
Model & ModalityCredits / GenOur Price (USD)Direct / Standard Price (USD)Base savingsSavings with top-up$1,250 top-up · +10% credits
GPT-5.5, Input
textOpenAI
Credits / Gen254.86per million tokens
Our Price (USD)$2.5486
Direct / Standard Price (USD)$5
Base savings−49.0%
Savings with top-up · $1,250 · +10%−54% ↓
GPT-5.5, Output
textOpenAI
Credits / Gen1,529.16per million tokens
Our Price (USD)$15.2916
Direct / Standard Price (USD)$30
Base savings−49.0%
Savings with top-up · $1,250 · +10%−54% ↓
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