OpenAI Releases GPT-5.1 with Customizable Personalities Amid Growing Legal Pressures
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[1]
OpenAI walks a tricky tightrope with GPT-5.1's eight new personalities
On Wednesday, OpenAI released GPT-5.1 Instant and GPT-5.1 Thinking, two updated versions of its flagship AI models now available in ChatGPT. The company is wrapping the models in the language of anthropomorphism, claiming that they're warmer, more conversational, and better at following
[2]
Take More Control Over ChatGPT's Tone With New Options in GPT-5.1
Expertise Artificial intelligence, home energy, heating and cooling, home technology. Don't like ChatGPT's tone? Change it. That's the gist of OpenAI's latest update to the language model behind the industry-leading chatbot. GPT-5.1, announced in a blog post Wednesday, is supposed to be "more
[3]
Developers gain major speed and cost savings with new GPT-5.1 update
New prompt caching cuts API costs for embedded app developers. OpenAI is back with a new 5.1 update to its previous GPT-5 large language model. GPT-5 was introduced in August, which is decades ago in AI's time warp-speed version of our universe. OpenAI is, of course, using AI to help it code
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OpenAI says the brand-new GPT-5.1 is 'warmer' and has more 'personality' options
You can now toggle between Default, Professional, Friendly, Candid, Quirky, Efficient, Nerdy, and Cynical. OpenAI is releasing GPT-5.1 today, an update to the flagship model it released in August. OpenAI calls it an "upgrade" to GPT-5 that "makes ChatGPT smarter and more enjoyable to talk
[5]
OpenAI Launches 'Playful, Warm' GPT-5.1 Model Amid Renewed Battle With the NYT
Emily is an experienced reporter who covers cutting-edge tech, from AI and EVs to brain implants. She stays grounded by hiking and playing guitar. Don't miss out on our latest stories. Add PCMag as a preferred source on Google. OpenAI released GPT-5.1 today, the first update for the GPT-5 model
[6]
OpenAI GPT-5.1 adds more personalities, loses inhibitions
Updated model may deliver a bit more unwanted content, but will be polite about it OpenAI on Wednesday introduced GPT-5.1, an AI model update that's "warmer," more conversational, and slightly more willing to blurt out unwelcome observations about sex, violence, and mental health in a way that
[7]
OpenAI's GPT-5.1 makes ChatGPT 'warmer' and smarter - how its upgraded modes work now
OpenAI's GPT-5.1 includes two brand-new models. It offers new personalities to choose from.The updates are meant to make ChatGPT more personalized. OpenAI updated ChatGPT with its highly-anticipated GPT-5 model over the summer, which was supposed to streamline the user experience by making the
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OpenAI rolls out GPT-5.1 with major upgrades to speed, reasoning, and customization
Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust. What just happened? OpenAI has begun rolling out GPT-5.1, an update that brings significant architectural refinements and expanded configurability to its flagship language models for both end-users
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ChatGPT 5.1 is smarter, friendlier, and gets your vibe better than ever
The two main models OpenAI has released include: GPT-5.1 Instant and GPT-5.1 Thinking. OpenAI has announced and started rolling out ChatGPT 5.1. According to the company, its latest AI model is not just smarter, it's also got a bit more personality than before. The update also brings improvements
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OpenAI Launches Smarter, More Conversational ChatGPT 5.1
OpenAI today upgraded GPT-5 to GPT-5.1, the next-generation version of the AI model that powers ChatGPT. There are two versions of GPT-5.1, including Instant and Thinking. Instant is warmer, more intelligent, and better at following instructions, according to OpenAI, while GPT-5.1 Thinking is
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ChatGPT 5.1 is smarter, nicer, and better at actually doing what you asked
ChatGPT has also added personality controls allowing users to adjust the manner and style of the AI's response, even mid-conversation OpenAI has introduced the much-anticipated GPT-5.1 AI model, incorporating both the 'Instant' and 'Thinking' variations into ChatGPT as the new default for paying
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OpenAI rolls out new ChatGPT personalities and speed updates
Why it matters: Users have formed strong attachments to ChatGPT's personality and have openly rebelled when it changes. * OpenAI says the updates are designed to make ChatGPT "more enjoyable to talk to." Driving the news: The updates to GPT-5 make ChatGPT communicate in a more natural way. * The
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OpenAI reboots ChatGPT experience with GPT-5.1 after mixed reviews of GPT-5
ChatGPT is about to become faster and more conversational as OpenAI upgrades its flagship model GPT-5 to GPT-5.1. OpenAI announced two updates to the GPT-5 series: GPT-5.1 Instant and GPT-5.1 Thinking. Both models are now accessible on ChatGPT. GPT-5.1 Instant, essentially the default and
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OpenAI launches ChatGPT 5.1 with 8 new personalities, warmer tone, and quicker replies
What's happened? OpenAI has officially launched its latest model update, GPT‑5.1, just three months after the debut of GPT‑5. It includes two variants, GPT-5.1 Instant and GPT-5.1 Thinking, aimed at boosting speed, personality, and instruction‐following in its flagship chat platform. 'Instant' is
[15]
OpenAI Unveils GPT-5.1, Making ChatGPT Smarter, Faster, and More 'Conversational' - Decrypt
More control: Users can fine-tune personality traits and tone, with rollout starting today for paid ChatGPT tiers. OpenAI today announced the release of GPT-5.1, an iterative upgrade to its foundational large language model series. The update, which is now rolling out to users, features two
[16]
OpenAI Has a New Model Powering ChatGPT
OpenAI is also offering new ways to customize ChatGPT's tone and style. Although OpenAI is most famous for creating ChatGPT, I've been mostly focused on their efforts with AI video generation. Sora, the company's short-form AI video generator, is already tricking people across social media with
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5 things to know about OpenAI's new GPT-5.1
All last week, OpenAI watchers reported seeing strange things. References to GPT-5.1 kept showing up in OpenAI's codebase, and a "cloaked" model codenamed Polaris Alpha and widely believed to have come from OpenAI randomly appeared in OpenRouter, a platform that AI nerds use to test new
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OpenAI says GPT-5.1 is warmer and more reliable
GPT-5.1 makes meaningful improvements on tone, communication style and intelligence level, claims OpenAI. OpenAI is calling its new GPT-5.1 "warmer" and "more intelligent" than its predecessor which was rolled out just months earlier. This latest AI model, launched yesterday (12 November), makes
[19]
OpenAI Launches GPT-5.1 Upgrade, Adds Deeper Customisation to ChatGPT | AIM
Users can fine-tune traits such as warmth, conciseness, and emoji usage. OpenAI has begun rolling out GPT-5.1, an upgrade to the GPT-5 model family that introduces new reasoning features, faster performance on simple tasks, and expanded personalisation tools across ChatGPT. The update is being
[20]
OpenAI's GPT-5.1 model gets a personality makeover and superior reasoning skills - SiliconANGLE
OpenAI's GPT-5.1 model gets a personality makeover and superior reasoning skills OpenAI Group PBC has announced the first major upgrade to its flagship GPT‑5 large language model, following mixed reviews when it first launched in August. The update intends to make ChatGPT "smarter and more
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We Tested GPT-5.1 in ChatGPT: The Good, the Bad, and the Unexpected
OpenAI also improved the auto router that switches between models Less than three months after the release of GPT-5, OpenAI has now rolled out the first major update to the large language model (LLM) with GPT-5.1. The fifth generation of GPT architecture has made significant progress in terms of
[22]
OpenAI's GPT-5.1 brings voice, warmth and personality to ChatGPT
With the launch of GPT‑5.1, OpenAI is recalibrating its flagship AI model to do more than deliver accurate answers; it's now aiming for a friendly, customizable vibe. The update, which introduces two variants (Instant and Thinking) and a broader palette of personality presets (Friendly, Nerdy,
[23]
ChatGPT 5.1 Picks the Right Agents for Your Toughest Questions
What if your AI could not only respond faster but also think deeper? With the release of ChatGPT 5.1, OpenAI has taken a bold step toward redefining what's possible in conversational AI. Imagine an assistant that can seamlessly switch between lightning-fast answers to simple queries and thoughtful,
[24]
Meet OpenAI's GPT-5.1: A Warmer, Smarter, More Conversationally Adept ChatGPT
OpenAI's ChatGPT, an AI-powered chatbot service, has just received a huge upgrade, thanks to the GPT-5.1 family of AI models that are now rolling out. Alongside these two models, OpenAI is now allowing users to modify ChatGPT's conversational style to their liking, adding Professional, Candid, and
[25]
ChatGPT With GPT-5.1 AI Model Is Warmer and Friendlier
* GPT-5.1 AI models will first be rolled out to paid users * OpenAI has added adaptive reasoning to GPT-5.1 Instant * Both models will be added to the API later this week OpenAI introduced the GPT-5.1 family of artificial intelligence (AI) models on Wednesday. The first major update to the
[26]
OpenAI rolls out GPT-5.1 with new variants and custom chat options - The Economic Times
OpenAI has launched GPT-5.1, an upgrade to the GPT-5 series, with two variants: Instant and Thinking. The update adds smarter reasoning, clearer explanations, and new customisable personalities. Rollout begins with paid users, followed by free plans, offering more adaptive, user-friendly AI that
[27]
OpenAI Releases GPT-5.1 With Faster Reasoning and Expanded Personalization | PYMNTS.com
By completing this form, you agree to receive marketing communications from PYMNTS and to the sharing of your information with our sponsor, if applicable, in accordance with our Privacy Policy and Terms and Conditions. The launch builds on the company's recent product momentum, including last
[28]
ChatGPT 5.1 Codex Slashes Tokens by up to 80% : Stop Hitting Usage Limits
What if you could achieve the same results with a fraction of the effort? OpenAI's latest innovation, ChatGPT 5.1, promises to do just that by slashing token usage by up to a staggering 80%. Imagine coding workflows that are not only faster but also significantly more cost-effective, all without
[29]
ChatGPT 5.1: Here's how it will change the way you ask questions and receive outputs after new update
OpenAI unveils GPT-5.1, featuring 'Instant' for quick chats and 'Thinking' for complex tasks, aiming for warmer AI interactions. This update follows GPT-5's rocky launch. Both models intelligently manage processing power based on prompt difficulty. GPT-5.1 is now available across all ChatGPT tiers,
[30]
New ChatGPT 5.1 Boosts Reasoning & Empathy : Power Users Are Quietly Thrilled
What if the most fantastic updates aren't the loud, flashy ones but the quiet, deliberate steps forward? ChatGPT 5.1 has arrived without the fanfare of a new revolution, yet it's quietly reshaping how we interact with AI. Imagine an AI that not only solves complex problems with sharper precision
[31]
OpenAI launches GPT-5.1- here's what makes the new GPT-5.1 update a game-changer for ChatGPT users
OpenAI has launched GPT-5.1 for ChatGPT, boasting a warmer, more intelligent AI that better understands instructions. The update enhances both quick responses and advanced reasoning, offering improved natural language and faster processing. Paid users get access first, with free users following
[32]
New ChatGPT 5.1 Thinking & Instant AI Models Officially Launched By OpenAI
OpenAI's latest release, featuring GPT-5.1 Instant and GPT-5.1 Thinking, has sparked a mix of intrigue and skepticism among users. These two models promise faster responses, sharper reasoning, and deeper customization, yet some argue they fall short of the fantastic upgrades many had hoped for.
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What's new in GPT-5.1: All differences compared to GPT-5 explained
OpenAI's GPT-5.1 adds Thinking Mode and deeper reasoning ability When OpenAI released GPT-5.1, it didn't sound like much more than a routine update, another decimal in a sea of upgrades. But this ".1" hides a quiet transformation. GPT-5.1 is faster, more consistent, and noticeably more human in
[34]
OpenAI upgrades ChatGPT with GPT-5.1 models, adds new customisation options
OpenAI is also adding new customisation options so users can shape ChatGPT's tone and personality more easily. OpenAI has announced a major update to ChatGPT with the launch of the new GPT-5.1 models. The upgrade includes two models: GPT-5.1 Instant and GPT-5.1 Thinking. Both models are designed
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OpenAI introduces GPT-5.1 Instant and Thinking models featuring eight personality presets and improved performance, while facing mounting copyright lawsuits and regulatory scrutiny that could impact future operations.
New Model Capabilities and Features
OpenAI released GPT-5.1 on Wednesday, introducing two distinct variants designed to address different user needs
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. GPT-5.1 Instant serves as the faster default option for most tasks, while GPT-5.1 Thinking functions as a simulated reasoning model for complex problem-solving scenarios2
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Source: ET
The company claims both models demonstrate superior performance on technical benchmarks including math and coding evaluations such as AIME 2025 and Codeforces compared to the original GPT-5 released in August
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. A key innovation is the implementation of "adaptive reasoning," where GPT-5.1 Instant automatically determines when to allocate additional computational resources to process complex prompts before generating responses3
.Personality Customization Options
The most significant user-facing change involves OpenAI's introduction of eight personality presets: Default, Professional, Friendly, Candid, Quirky, Efficient, Cynical, and Nerdy
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. These presets modify the system instructions fed into each prompt to simulate different communication styles while maintaining identical underlying model capabilities1
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Source: Geeky Gadgets
Fidji Simo, OpenAI's CEO of Applications, explained that with over 800 million ChatGPT users, the company has moved beyond one-size-fits-all approaches
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. Users can now adjust specific characteristics including response conciseness and emoji frequency through personalization settings, with changes taking effect immediately across all conversations1
.Developer Benefits and API Improvements
For developers utilizing OpenAI's API, GPT-5.1 delivers substantial cost and performance improvements
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. The adaptive reasoning feature means simple queries receive faster responses using fewer tokens, while complex requests receive appropriate computational attention. This token optimization directly translates to reduced API costs for embedded applications.Denis Shiryaev from JetBrains described GPT-5.1 as "genuinely agentic" and "the most naturally autonomous model" he has tested, praising its ability to integrate seamlessly into existing codebases
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. The model's improved instruction following and persistent reasoning capabilities address previous frustrations with context loss during extended coding sessions.Related Stories
Legal Challenges and Industry Context
The GPT-5.1 release occurs against a backdrop of intensifying legal scrutiny that could significantly impact OpenAI's operations
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. The New York Times copyright lawsuit has escalated, with courts ordering OpenAI to provide 20 million ChatGPT conversations as evidence5
. OpenAI argues this request violates user privacy and has proposed establishing "AI privilege" protections for chatbot conversations5
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Source: ET
Meanwhile, Microsoft, OpenAI's strategic partner, has increasingly turned to Anthropic's models for various Copilot services after GPT-5's lukewarm reception failed to meet expectations
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. This shift highlights the competitive pressure OpenAI faces in maintaining its market leadership position.Safety and Mental Health Considerations
OpenAI acknowledges the delicate balance between customization and responsible AI deployment
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. The company has released safety research addressing concerns about users developing unhealthy attachments to AI chatbots, working with mental health clinicians to establish guidelines for healthy AI interactions. Simo emphasized that effective personalization should challenge users rather than simply reinforcing existing worldviews, comparing excessive customization to editing a spouse's personality to always agree1
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