OpenAI · gpt-5.5

Model Provider

Creator of GPT, DALL-E, and Sora. Builds frontier AI models for text, image, video, and audio.

Active models

51+ 133 deprecated

Families

34

Headquarters🇺🇸 San Francisco, CA

Founded2015

Latest release2026-09-08

API Base URL

Modelsplatform.openai.com/docs/models

Type

Capabilities

OSS

Model	Caps	Type	Pricing	Released
gpt-5.5-2026-04-23gpt-5.5-2026-04-23	RTJJMSB	chat	$5$30	Apr 23, 2026
gpt-5.5-pro-2026-04-23gpt-5.5-pro-2026-04-23	RTJJMB	chat	$30$180	Apr 23, 2026
GPT-5.5gpt-5.5	RTJJMSB	reasoning	$5$30	Apr 23, 2026
GPT-5.5 Progpt-5.5-pro	RTJJMB	chat	$30$180	Apr 23, 2026