Back to pricing
OpenAI
GPT-4.5
FlagshipDEPRECATED
Pricing
Input / 1M tokens$75.00
Output / 1M tokens$150
Batch in / out$37.50 / $75.00· 50% off
Cache read$37.50· 50% off
Specs
Context window128K
Max output16K
Speed tier
Knowledge cutoffOct 2023
Free tierNo
Hosted byFirst-party
API ID—
Capabilities
Verified2026-04-22
Source OpenAI pricing
Deprecated Aug 2025 — most expensive OAI model
Price history
No changes recorded yet. We start tracking from the moment a model lands in the catalog.