GPT-6 Astra API
gpt-6-astraOpenAI's GPT-6 Astra — frontier reasoning with a 1M-token context window, served through one API.
by OpenAI
Pricing: Input 275 credits / 1M tokens (≈ $2.75), Output 1,375 credits / 1M tokens (≈ $13.75). Cached Input 27.5 credits / 1M tokens (≈ $0.275), Cache Writes 343.75 credits / 1M tokens (≈ $3.4375) — 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) — 73% lower than direct rates even without itTop up



