2026-04-25 CometAPI Adds GPT-5.5 & GPT-5.5-Pro Models!

GPT-5.5

• Model: gpt-5.5

• Call test to see the page (models)

• Details: A next-generation multimodal flagship model balancing exceptional performance with efficient response, dedicated to providing comprehensive and stable general-purpose AI services.

-Note: This model supports the standard Chat interaction format.

• [Chat Guide](https://apidoc.cometapi.com/chat)

GPT-5.5-Pro

• Model: gpt-5.5-pro

• Details: An advanced model engineered for extremely complex logic and professional demands, representing the highest standard of deep reasoning and precise analytical capabilities.

-Note: This model supports the Response interaction formatonly.

• [Response Guide](https://apidoc.cometapi.com/responses)