OpenAI introduces GPT-5-Codex-Mini, a cost-efficient coding model for developers November 8, 2025 by admin Tweet OpenAI has introduced GPT-5-Codex-Mini, a cost-efficient model offering 4x the usage with only a minor drop in performance. Read more… Neowin Related Posts:OpenAI announces GPT‑5.1-Codex-Max, a new coding…OpenAI unveils the enhanced GPT-4o model, offering…OpenAI rolls out o1 reasoning model in its API for…OpenAI's GPT-4o-2024-08-06 model now available via…OpenAI announces o3 Pro, its most intelligent…