OpenAI: GPT-5 Codex (batch)

openai/gpt-5-codex:batch

Context: 400,000In: $0.63/1MOut: $5.00/1MUpdated 2026-08-20

GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....