GPT-5.5 API
gpt-5-5GPT-5.5 — frontier reasoning and generation through one API.
by OpenAI
Pricing: Input 140 credits / 1M tokens (≈ $1.4), Output 840 credits / 1M tokens (≈ $8.4). Cached Input 14 credits / 1M tokens (≈ $0.14) — applied automatically when the upstream reports cached tokens for your prompt; there is no field to request them.
Save up to 75%with the $1,250 top-up pack (+10% bonus) — 72% lower than direct rates even without itTop up



