OpenAI18:10Feature UpdatesOfficial Blog
OpenAI Rolls Out GPT-5.4 Thinking & Pro in ChatGPT
Powers complex workflows accurately and efficiently.
Key Points
- 133% fewer false claims, 18% less response errors.
- 21M context, 47% tool efficiency gain.
- 3Mid-response steering available.
- 4Enhanced Excel integration.
OpenAI launched GPT-5.4 Thinking and Pro across ChatGPT, API, and Codex. It boosts factuality, efficiency in reasoning, coding, and agents. Business users gain precise spreadsheet/presentation handling and mid-response steering. API pricing: $2.50/M input, $15/M output tokens.