Leaked details reveal GPT-5 Pro with research-level AI for ChatGPT – TestingCatalog
What we know so far: Free users will get access to GPT-5, Plus to GPT-5 with reasoning, while Team and Pro users will get GPT-5 Pro with a research-grade intelligence.
OpenAI is preparing to introduce GPT-5 with a refreshed look for the ChatGPT web interface, signaling a significant update not only in AI capabilities but also in user experience. The new UI presents a cleaner prompt bar, consolidating its various actions into a single attachment button for a more streamlined appearance. The visual overhaul extends to the background layout, creating a more modern feel across the app. This shift will be visible to all users once the changes roll out, and it’s clear that the company aims to highlight GPT-5’s strengths, specifically its dynamic reasoning abilities, described as delivering the “best answer” every time.
In terms of user access, internal code updates suggest a tiered rollout:
This division points to OpenAI’s ongoing focus on balancing access and revenue, reflecting its strategy of making leading-edge AI widely available while keeping premium features for paying customers.
A notable detail is the appearance of multiple versions of GPT-5 in the API, as well as a new “GPT-5 Chat” variant for GitHub Copilot, designed to be more context-aware in conversations. This suggests OpenAI is optimizing its model for different applications, ranging from raw API usage to code assistance scenarios, supporting diverse developer and end-user needs. The differences between these variants, especially in terms of context window size or specific capabilities, remain unconfirmed for now, but early indications are that OpenAI is aiming to segment model access and feature sets much more clearly than in previous releases.
BREAKING 🚨: Another mention of GPT-5 has been leaked via a Github blog post. GPT-5, GPT-5-Mini, GPT-5-Nano and a new GPT-5-Chat model have been mentioned.
“gpt-5-chat: Designed for advanced, natural, multimodal, and context-aware conversations for enterprise applications.” pic.twitter.com/PWlzdMRKXP
OpenAI’s latest code updates have provided even more clarity on how GPT-5 will be offered across different subscription levels, as well as how the rollout might be structured for teams and professional users. In addition to the standard GPT-5 model, new references have appeared for “ChatGPT-5,” “GPT-5 Thinking,” and “GPT-5 Pro.” These labels line up closely with recent hints about a tiered approach to both capabilities and access, as visible in the updated pricing plan strings. Team accounts are set to receive the most comprehensive access, including all base and advanced features, as well as GPT-5 Pro. Notably, GPT-5 Pro is also confirmed for Pro users, and appears to be positioned as a premium, high-powered version of the model.
GPT-5 models are live in the newest ChatGPT build!
GPT-5
GPT-5-Pro
GPT-5-Thinking pic.twitter.com/Ps1SYTyQm7
A particularly interesting development is the new description of GPT-5 Pro as delivering “research-level” performance. This kind of language hasn’t been seen in prior product communications from OpenAI and suggests that the company is not just releasing an incrementally improved model, but one with significant breakthroughs—possibly in reasoning, knowledge application, or overall intelligence. If so, this would set a new standard for commercial AI products and could appeal to power users, researchers, and enterprise teams needing cutting-edge capabilities.
GPT-5 Pro – Research-grade intelligence
with ChatGPT-Pro pic.twitter.com/OqkI8uckTU
Meanwhile, OpenAI CEO Sam Altman’s recent statement about the upcoming livestream lasting a full hour hints at the scale of the announcement. Historically, longer events from OpenAI have been reserved for moments when there are substantial upgrades or several new features to unveil.
our livestream tomorrow at 10 am PDT will be longer than usual, around an hour.
we have a lot to show and hope you can find the the time to watch!
For users and teams considering an upgrade, the promise of research-grade intelligence and broad access across team accounts could be a strong motivator, especially for organizations needing advanced tools for AI-driven development and knowledge work. The evolving segmentation of features and model access aligns with OpenAI’s move to meet the needs of casual, professional, and enterprise-level users, potentially setting a new precedent for how AI services are packaged and delivered.
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