OpenAI Updates GPT-5.5

OpenAI has released updates to its GPT-5.5 model, which promises stronger agentic coding and lower token usage. According to The Decoder, the dedicated Codex coding model has been retired and its capabilities have been folded into the main GPT-5.5 model. This update is expected to impact users of AI tools that rely on OpenAI's models, such as Decod.tech directory listings.

Developers using GPT-5.5 are advised to start with a fresh baseline and not carry over old prompts, as The Decoder reports that old prompts are holding the model back. Role definitions are also back at the front of the framework, which may require adjustments from developers who had written them off as unnecessary.

The update has also led to GPT-5.5 topping benchmarks, but at a 20% higher API cost, as reported by The Decoder. Despite the increased cost, GPT-5.5 still appears to be the best bang for the buck among proprietary models, making it a competitive option for users of AI tools.

Impact on AI Tools

The update to GPT-5.5 is expected to have a significant impact on AI tools that rely on OpenAI's models. Users of these tools can expect improved performance and capabilities, but may need to adjust their workflows and prompts to take full advantage of the updates. As the AI landscape continues to evolve, it's essential for users to stay up-to-date with the latest developments and adjustments to maximize the potential of these tools.