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• Hiện bạn có thể dùng thử GPT-5.5 trong ChatGPT và Codex; tại thời điểm OpenAI công bố, GPT-5.5 chưa mở trên API ngay mà được nói là sẽ lên “rất sớm”.[5][11][1]
• **ChatGPT:** GPT-5.5 đang rollout dần cho người dùng Plus, Pro, Business và Enterprise, nên có thể tài khoản của bạn chưa thấy ngay.[5][11]

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• [1] ChatGPT 5.5: official status, released GPT-5 versions, and what OpenAI has documented so fardatastudios.org

  Title: ChatGPT 5.5: official status, released GPT-5 versions, and what OpenAI has documented so far # ChatGPT 5.5: official status, released GPT-5 versions, and what OpenAI has documented so far. OpenAI already has a real GPT-5.x family with multiple officially documented iterative releases, which is exactly what makes a name like GPT-5.5 sound natural in the first place. The reviewed official materials confirm a real GPT-5.x family with several released versions, which is the necessary starting point for understanding why the name GPT-5.5 sounds credible.. OpenAI’s reviewed official mate…

• [2] ChatGPT GPT-5 Pro availability - Feature requests - OpenAI Developer Communitycommunity.openai.com

  Title: ChatGPT GPT-5 Pro availability - Feature requests - OpenAI Developer Community # ChatGPT GPT-5 Pro availability. Sam mentioned on his X account that he was considering allowing a small use of GPT-5 Pro on ChatGPT Plus. Have there been any updates on that? ### Related topics. | ChatGPT4 API roll out timeline API gpt-4 , api | 10 | 1803 | December 17, 2023 |. | Introducing ChatGPT Plus Community | 6 | 2950 | February 8, 2023 |. | ChatGPT 5 in realtime API API | 0 | 135 | August 9, 2025 |. | Can ChatGPT 5 Pro be achieved via API? Feedback gpt-5 , pro | 0 | 337 | September 28, 2025 |. | Ch…

• [3] GPT-5 Pro API Availability - API - OpenAI Developer Communitycommunity.openai.com

  GPT-5 Pro API Availability. When will GPT-5 Pro be available on the API? Will it ever be available on the API? Currently, there is no an API named GPT-5 Thinking Pro. If there is a release date for API named GPT-5 Thinking Pro, you should follow

  Anouncements Category

  to see updates:. Official updates related to building with OpenAI, the API, and more! | The least important question right now: Why is GPT-5 pro not available in API at exuberant pricing? | How to use GPT-5 Pro and Thinking via API? API gpt-5 | 8 | 8014 | September 29, 2025 |. API gpt-5 | 7 | 823 | November 22, 2025 |…

• [4] GPT-5.5 Spud and GPT Image 2: Complete Guide to OpenAI Next Models in 2026pasqualepillitteri.it

  GPT-5.5 Spud and GPT Image 2: Complete Guide to OpenAI Next Models in 2026. ##### Complete guide to GPT-5.5 Spud and GPT Image 2: everything about release date (ChatGPT 5.5 release date), capabilities, benchmarks, competitor comparison and how to test upcoming OpenAI models early. OpenAI is preparing two major releases for 2026: GPT-5.5 Spud, the successor to GPT-5 with evolved agentic capabilities, and GPT Image 2, the new image generation model that appeared on Chatbot Arena before the official announcement. If you are searching for gpt 5.5, chatgpt 5.5 release date or **g…

• [5] Learn OpenAI Official ChatGPT API: Comprehensive Developer ...holypython.com

  What is chatgpt api?- How to use chatgpt api- ChatGPT Founders & History * Future of AI & AGI- Learn chatgpt api with python * openai Python library* Getting Openai api key* Authorizing openai calls* Chatgpt api basic python example* Chatgpt parameters (full list)* 2nd Python Example* 3rd Python Example- Chatgpt api pricing * ChatGPT API token calculation- gpt1 vs gpt2 vs gpt3 vs gpt3.5 vs gpt-4 * Parallelization of AI training- Using Playground AI to test Chatgpt AI model’s parameters- Getting a full list of all OpenAI models with Python- Best AI Writing Tool I’ve Ever Used- ChatGPT API Er…

• [6] OpenAI introduces GPT 5.3 Instant for ChatGPT: Check new upgrades and availability detailsdigit.in

  OpenAI introduces GPT 5.3 Instant for ChatGPT: Check new upgrades and availability details. ## The model is now live for all ChatGPT users, with GPT-5.2 set to retire on June 3, 2026. OpenAI introduces GPT 5.3 Instant for ChatGPT: Check new upgrades and availability details. OpenAI introduces GPT 5.3 Instant for ChatGPT: Check new upgrades and availability details. OpenAI has officially introduced the GPT 5.3 Instant, an upgrade of the model that powers most day-to-day ChatGPT conversations. Check out the new features and availability details of the GPT 5.3 Instant below. The GPT 5.3 Instan…

• [7] OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026 | YourStoryyourstory.com

  OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026. ## From 13 February 2026, GPT-4o and select older models will be removed from ChatGPT, while API access remains unchanged for now, according to the company. OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026. OpenAI will retire GPT-4o and several older models from ChatGPT on 13 February 2026. OpenAI added that it had brought GPT-4o back temporarily during the GPT-5 rollout after feedback from a subset of Plus and Pro users who valued its conversational warmth and creative ideation, and that this learning…

• [8] Plugins availability within the openAI API - Plugins / Actions builders - OpenAI Developer Communitycommunity.openai.com

  Title: Plugins availability within the openAI API - Plugins / Actions builders - OpenAI Developer Community # Plugins availability within the openAI API. I have searched everywhere but found nothing. Will plugins be available within OpenAI API? Plugins are not supported in OpenAI API. I have searched everywhere but found nothing. Will plugins be available within OpenAI API? I was about to ask the same question, thank you :joy:. ### Related topics. | Existing openai plugin using by API gpt-4 model Plugins / Actions builders gpt-4 | 2 | 1123 | January 15, 2026 |. | Are plug-ins available throug…

• [9] Will OpenAI release a model named 'GPT-6' for general public availability before May 1, 2026?metaculus.com

  Title: Will OpenAI release a model named 'GPT-6' for general public availability before May 1, 2026? # Will OpenAI release a model named 'GPT-6' for general public availability before May 1, 2026? This question is closed for predictions. This question resolves to Yes if, after the opening of this question and before May 1, 2026, OpenAI makes a model explicitly named 'GPT-6' (or a versioned variant such as 'gpt-6-0314') available for general public use in at least one geographic region via its official API or through its ChatGPT website/app interface. “General public use” means accessible via…

• [10] OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026 | YourStoryyourstory.com

  Title: OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026 | YourStory # OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026. ## From 13 February 2026, GPT-4o and select older models will be removed from ChatGPT, while API access remains unchanged for now, according to the company. OpenAI to retire GPT-4o and older ChatGPT models on 13 February 2026. OpenAI will retire GPT-4o and several older models from ChatGPT on 13 February 2026. API availability remains unchanged for now, and OpenAI has committed to giving advance notice before any future API retirements…

• [11] OpenAI to launch GPT-5.5 by early 2026voice.lapaas.com

  Title: OpenAI to launch GPT-5.5 by early 2026 Home Technology Artificial Intelligence OpenAI to launch GPT-5.5 by early 2026. # OpenAI to launch GPT-5.5 by early 2026. OpenAI is preparing to launch its next advanced AI model, GPT-5.5, by early 2026, according to multiple industry reports. The new model, internally known as “Garlic,” is expected to offer major improvements in reasoning, coding, and complex problem-solving. This launch could help OpenAI regain momentum in an increasingly competitive AI market. ## What GPT-5.5 Aims to Improve. GPT-5.5 is expected to be a mid-generation u…

• [12] OpenAI to launch GPT-5.5 by early 2026voice.lapaas.com

  OpenAI to launch GPT-5.5 by early 2026. OpenAI is preparing to launch its next advanced AI model, GPT-5.5, by early 2026, according to multiple industry reports. This launch could help OpenAI regain momentum in an increasingly competitive AI market. OpenAI’s goal with GPT-5.5 is to reduce hallucinations, increase accuracy, and improve consistency so that professional users can trust the model for sensitive tasks such as finance, research, engineering, and legal support. By releasing GPT-5.5 in early 2026, OpenAI aims to stay ahead of competitors by:. * Push global AI innovation towa…

• [13] Models – Codex | OpenAI Developersdevelopers.openai.com

  It is strongest for complex coding, computer use, knowledge work, and research workflows. GPT-5.5 is currently available in Codex when you sign in with ChatGPT;

• [14] GPT-5.3 and GPT-5.5 in ChatGPT | OpenAI Help Centerhelp.openai.com

  _As of February 13, 2026, models GPT-4o, GPT-4.1, GPT-4.1 mini, OpenAI o4-mini, and GPT-5 (Instant and Thinking) have been retired from ChatGPT and are no longer available. For more information, please refer to our article:Retiring GPT-4o and other ChatGPT models. When you select Instant in ChatGPT, ChatGPT can automatically decide whether to use GPT-5.3 Instant or GPT-5.5 Thinking for your request. GPT-5.3 Instant and GPT-5.5 Thinking supports every tool available in ChatGPT, so you can use it with all current features without limitation (…

• [15] GPT-5.5 Bio Bug Bounty | OpenAIopenai.com

  Skip to main content. * Research. * Business. * Developers. * Company. * Invitation. * Program overview. * How to participate. [Apply here(opens in a new window)](https://openai.smapply.org/prog/gpt-5-5-safety-bio…

• [16] GPT-5.5 is here! Available in Codex and ChatGPT todaycommunity.openai.com

  Skip to last replySkip to top. Skip to main content. . * Topics. * [A…

• [17] GPT-5.5 is here! Available in Codex and ChatGPT today - #9 by af0rcommunity.openai.com

  GPT-5.5 is here! Available in Codex and ChatGPT today. AGI IS HERE BOYS LETSGO. fast mode will go off tho this model is more expensive keep that in mind! ### Related topics. | Codex using up MASSIVE credits (850 credits + 5 hour limit used on only 8 queries) Codex codex , bugs | 18 | 5450 | February 26, 2026 |. | Token Pricing Trends for average users Codex CLI | 2 | 319 | August 9, 2025 |. | Introducing New $100/month Pro Tier Announcements | 21 | 5494 | April 15, 2026 |. | Hitting Codex limits after a few prompts Codex codex | 8 | 993 | January 7, 2026 |. | Upgrades to Codex — gpt-5-codex…

• [18] GPT-5.5 System Cardopenai.com

  Skip to main content. * Research. * Business. * Developers. * Company. SafetyPublication. Read the System Card(opens in a new window). * 2026. * System Cards. [View all](https://openai.com/news…

• [19] Introducing GPT-5.5 - OpenAIopenai.com

  OnGDPval⁠⁠, which tests agents’ abilities to produce well-specified knowledge work across 44 occupations, GPT‑5.5 scores 84.9%. * **We are deploying industry-leading safeguards for this level of cyber capability.**We first introduced cyber-specific safeguards with GPT‑5.2⁠(opens in a new window) last year, which we have continued to test, refine, and build on in subsequent deployments. * **We are expanding access to accelerate cyber defense at every level.**We are making our cyber-permissive models av…

• [20] OpenAI Research | Releaseopenai.com

  Skip to main content. * Research. * Business. * Developers. * Company. * All. * Publication. * Conclusion. * Milestone. * Release. [Introducing GPT-5.5 Introducing GPT-5.5, our smartest model…

• [21] GPT-5.5 is here! Available in Codex and ChatGPT today - #7 by _jcommunity.openai.com

  Available in Codex and ChatGPT today. A straight-up price-doubling on top of a price-doubling between gpt-5.1 to gpt-5.4, on top of a price doubling to use faster yet cheaper to operate inference, reserved for service_tier:priority. For what they directly say is the same “latency” aka compute time. And with pricing tied to API, that’s ChatGPT-purchased Codex credits going half as far, on a platform where they give 0-day model shutoffs. (“Remember, we don’t have enough thinking time for both you and the US Department of War”). | Codex using up MASSIVE credits (850 credits + 5 hour limit used…

• [22] Open models by OpenAIopenai.com

  Skip to main content. * Developers. * Company. Download on Hugging Face(opens in a new window)View on GitHub(opens in a new window)Try our models(opens in a new window). [ -0.52 0.05 0.03 0.03 -0.52 ### gpt-oss Open reasoning models designed to run locally on desktops, laptops,…

• [23] OpenAIopenai.com
  • Research. * Business. * Developers. * Company. Learn more. Introducing ChatGPT Images 2.0 Product. Introducing ChatGPT Images 2.0 Product. Codex for (almost) everything Product 5 min read. [View more](https://openai.com/news/company-announcement…
• [24] OpenAI Researchopenai.com

  Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools. ... ChatGPT