name = "Agentic Chat (GPT-5.2 Codex)" description = "Coding-optimized GPT model for repository edits, reviews, and agentic software work" family = "gpt-codex" release_date = "2026-01-22" last_updated = "2026-01-22" knowledge = "2025-08-31" attachment = true reasoning = true reasoning_options = [] temperature = false tool_call = true structured_output = true open_weights = false [cost] input = 0 output = 0 [limit] context = 400_000 input = 272_000 output = 128_000 [modalities] input = ["text", "image", "pdf"] output = ["text"]