name = "GPT-5.2-Codex" description = "Coding-optimized GPT model for repository edits, reviews, and agentic software work" family = "gpt-codex" release_date = "2026-01-14" last_updated = "2026-01-14" attachment = true reasoning = true reasoning_options = [{ type = "effort", values = ["none", "low", "medium", "high", "max"] }, { type = "budget_tokens" }] temperature = true knowledge = "2025-08-31" tool_call = true structured_output = true open_weights = false [cost] input = 1.75 output = 14.00 cache_read = 0.175 [limit] context = 400_000 output = 128_000 [modalities] input = ["text", "image"] output = ["text"]