OpenAI Deploys GPT-5.2 Across All ChatGPT Plans, API, and Codex Simultaneously

December 11, 2025

Details

  • OpenAI launched GPT-5.2 on December 11, 2025, introducing three variants—Instant, Thinking, and Pro—to serve a range of task complexities.
  • Access is granted immediately to ChatGPT Plus, Pro, Business, and Enterprise users, with Free and Go tiers joining within 24 hours.
  • The GPT-5.2 model is now available simultaneously for both the OpenAI API and Codex, erasing the usual delay between consumer and developer features.
  • Benchmarking reveals GPT-5.2 Thinking delivers performance on par with human experts in 44 knowledge professions, including spreadsheet and presentation projects.
  • Enhancements include clearer explanations, stronger technical and translation abilities, advanced long-context reasoning, and improved code generation.
  • GPT-5.1 will stay available for paid users for three months, as OpenAI continues refining issues around refusals and response latency.

Impact

Launching GPT-5.2 API and consumer features together places OpenAI ahead of rivals like Anthropic and Google, who typically stagger such releases. The granular tier options may increase revenue while keeping a wide free-user base. Expert-level benchmarks and new capabilities intensify competition in productivity and office automation, and the rapid release pace could pressure infrastructure and global evaluation standards.

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