To assess the key strength of OpenAI o3-pro, we once again use our rigorous "4/4 reliability" evaluation, where a model is considered successful only if it correctly answers a question in all four attempts, not just one.
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OpenAI o3-pro Excels at Math Science and Coding
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Like OpenAI o1-pro, OpenAI o3-pro excels at math, science, and coding as shown in academic evaluations.
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OpenAI o3-pro rolls out to all ChatGPT Pro users
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OpenAI o3-pro is rolling out now to all Pro users in ChatGPT and in the API.
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OpenAI o3-pro Outperforms o3 in Expert Evaluations
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In expert evaluations, reviewers consistently prefer OpenAI o3-pro over o3, highlighting its improved performance in key domains—including science, education, programming, data analysis, and writing. Reviewers also rated o3-pro consistently higher for clarity, comprehensiveness,
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ChatGPT and API Experience Elevated Error Rates and Latency Issues
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We are observing elevated error rates and latency across ChatGPT and the API. Our engineers have identified the root cause and are working as fast as possible to fix the issue. For updates see our status page:
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Advanced Voice AI Enables Real-Time Multilingual Conversation Translation
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The updated Advanced Voice is great for translating conversations between people speaking different languages.
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ChatGPT Advanced Voice Feature Demonstrates Creative AI Capabilities
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Haven’t tried the updated Advanced Voice that was recently launched to all paid users in ChatGPT? Then take a listen below.
— OpenAI (@OpenAI) 9 juin 2025
Prompt: Wish me an awkward happy birthday. pic.twitter.com/gPoHHR10FPHaven’t tried the updated Advanced Voice that was recently launched to all paid users in ChatGPT? Then take a listen below. Prompt: Wish me an awkward happy birthday.
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ChatGPT Advanced Voice Update Now Available All Paid Users
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We launched an update to Advanced Voice to make it way more natural and effortless to talk to. Now available to all paid users in ChatGPT.
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Advanced Voice Translation Improvements Enable Multi-Turn Persistent Support
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The updated Advanced Voice is also more effective at translation, persistently translating for multiple turns until being told to stop.
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Protecting User Privacy Against Data Demands
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How we’re responding to The New York Times’ data demands in order to protect user privacy.