Your old prompts won't work with GPT-5.5. Try these instead
OpenAI's latest and most powerful model, GPT-5.5, has been topping benchmark charts and impressing users with its coding and reasoning abilities, not to mention the sheer quantity of facts…
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Introducing GPT-5.5 with Box
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I don’t really like GPT-5.5…
GPT-5.6 is here, and we can’t use it
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Top stories
GPT-5.6: OpenAI verspricht mehr Leistung bei weniger Token-Verbrauch
3d agoOpenAI limits GPT-5.6 rollout after government request, says restrictions shouldn’t be the norm | TechCrunch
4d agoOpenAI will delay GPT-5.6 after Trump administration request
5d agoOpenAI's free GPT-5.5 model makes ChatGPT better at understanding context - Engadget
6d agoOpenAI details what to expect from the three new models in its GPT-5.6 preview
…General technology OpenAI details what to expect from the three new models in its GPT-5.6 preview Meet the heavenly Sol, Terra, and Luna trio. By • 6 hours ago • • Edgar Cervantes…
Wie bei Mythos 5 und Fable 5: US-Administration verzögert OpenAIs neues GPT-5.6-Modell
…Die Trump-Administration hat das Unternehmen aufgefordert, das kommende Modell GPT-5.6 zunächst nur für eine kleine Gruppe von Partnern freizugeben. Wie beim Bann von Mythos 5 und Fable 5 wurden…
OpenAI's New Daybreak Platform Uses GPT-5.5 to Find Software Vulnerabilities
OpenAI's New Daybreak Platform Uses GPT-5.5 to Find Software Vulnerabilities Monday May 11, 2026 3:08 pm PDT by Juli Clover OpenAI today launched Daybreak , an answer to Anthropic…
Discussions and forums
GPT-5.5 Instant Update; ChatGPT Canvas Discontinued; o3 and GPT 4.5 Retiring
GPT-5.5 Instant Update; ChatGPT Canvas Discontinued; o3 and GPT 4.5 Retiring
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OpenAI models GPT-5.5 and GPT-5.4–and Codex–now on Amazon Bedrock
OpenAI models GPT-5.5 and GPT-5.4–and Codex–now on Amazon Bedrock
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GPT-5.6 Preview System Card
GPT-5.6 Preview System Card
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GPT-5.6 Preview System Card
GPT-5.6 Preview System Card
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GPT-5.6 System Card [pdf]
GPT-5.6 System Card [pdf]
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The Trump administration doesn't want you to use OpenAI's GPT-5.6 without its approval
As OpenAI prepares the release of its next model, GPT 5.6, the White House has instructed the company to limit the distribution of the software to a small group of government…
Anthropic launches Claude Fable 5, a state-of-the-art AI model that beats OpenAI's GPT-5.5
Anthropic launches Claude Fable 5, a state-of-the-art AI model that beats OpenAI's GPT-5.5
OpenAI launches Daybreak: GPT-5.5 cybersecurity platform to find software vulnerabilities
…OpenAI's Daybreak, powered by GPT-5.5 and Codex, enhances cybersecurity by integrating threat modeling and patch validation early in software development. Competing with Anthropic's Project Glasswing, it aims to…
Upcoming deprecation of Gemini 3 Pro and GPT-5.1 models - GitHub Changelog
…Model Deprecation date Suggested alternative Gemini 3 Pro 2026-03-26 Gemini 3.1 Pro GPT-5.1 2026-04-15 GPT-5.4 GPT-5.1-Codex 2026-04-01 GPT…
OpenAI claims ChatGPT’s new default model hallucinates way less
…GPT-5.5 Instant has “tighter and more to-the-point” responses and will avoid using “gratuitous emojis.” With GPT-5.5 Instant, ChatGPT is now “more effective” at pulling in context…
OpenAI is sunsetting ChatGPT’s Canvas interface.
The feature, which let you edit code or text side-by-side with ChatGPT, will no longer be available with GPT-5.5 Instant or GPT-5.5 Thinking, according to OpenAI…