GPT-5 Core's home is Codex. Running it anywhere else costs you the +12 Precision synergy and feels like you're paying for a feature you're not using.
OpenAI · cloud-model
Verified 1mo ago
OpenAI GPT-5 Core
Broadest tool library. Fastest structured output.
OpenAI's 2026 flagship. Best default vision, best structured-output throughput, strong parallel-agent support.
Specs
- context window
- 2M tokens
- pricing input per 1m
- 12
- pricing output per 1m
- 60
- tool use
- native, multi-agent
Buy
- OpenAI ↗
Direct API access. No affiliate relationship.