OpenAI's progress with GPT-5 has been impressive, leading to the introduction of a new option to display further models
In the world of artificial intelligence, OpenAI's GPT-5 has made a significant splash, marking a pivotal moment in AI development. Launched in early August 2025, GPT-5 represents a substantial leap forward from its predecessors, with improvements in reasoning, coding, and efficiency[1][2][3].
GPT-5 is now the default model in ChatGPT for signed-in users and is available through the OpenAI API for developers, teams, enterprise, and education users[2][3][4]. Key updates and current issues include:
Performance and Capabilities
GPT-5 has shown state-of-the-art results in coding benchmarks, logical reasoning, math, health, and scientific problem-solving, outperforming earlier iterations like GPT-4o and OpenAI’s o3 models[3][4]. As a coding assistant, GPT-5 demonstrates better collaboration, bug fixing, and frontend coding capabilities[4].
Reasoning and Safety
GPT-5 integrates automatic reasoning when it benefits the questions and offers a "GPT-5 Thinking" mode for users who want enhanced reasoning. It is significantly safer and more reliable than predecessors, with fewer hallucinations, better honest communication of its capabilities, and improved adherence to safety boundaries[3][4]. Extended reasoning features are available in GPT-5 Pro for enterprise and educational users, providing more detailed and reliable answers[2].
Deployment and Access
The rollout began on August 7, 2025, with access for free users as well as paid tiers like Plus, Pro, Team, Enterprise, and Education. Mini and nano versions are planned to be available via API for wider usage. The model was trained on Microsoft Azure supercomputers[1][2][3].
Ongoing Developments and Market Context
GPT-5’s launch follows a competitive AI race involving major players and geopolitical tension, with the U.S. government emphasizing leadership in AI development. OpenAI also plans to release an open-weight version soon[1]. Despite GPT-5’s advances, OpenAI has already announced GPT-6 is in development and expected to surpass GPT-5[5].
Notably, the launch of GPT-5 has not been without challenges. User protests were reported, but OpenAI CEO Sam Altman confirmed that the 4o model is back after a weekend of dealing with user issues. Paid users now have a 'Show additional models' toggle in ChatGPT web settings, allowing them to choose between 'Auto', 'Fast', and 'Thinking' for GPT-5, as well as older models like o3, 4.1, and GPT-5 Thinking mini[2].
In summary, GPT-5 is widely regarded as a major improvement in AI performance, reasoning, and safety, now broadly available across OpenAI products and services, with continuing iterations in development[1][2][3][4][5]. OpenAI's CEO, Sam Altman, has assured that plenty of notice will be given should the 4o model ever be deprecated.
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