OpenAI Launches o3-pro AI Model: Higher Reliability and Tool Integration but at the Cost of Speed

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Published inAI News · 5 min read · Jun 11, 2025

Recently, OpenAI announced the launch of its latest o3-pro AI model. This new model is designed to provide more reliable and accurate responses for businesses. The o3-pro is an advanced version of the o-series inference models, supporting more software tool integrations, and is particularly suitable for enterprises and developers who require high detail and accuracy.

However, the response speed of the o3-pro is slower compared to previous models. OpenAI stated that due to the richer tools available in o3-pro, it takes more time to handle complex problems. "The response time of o3-pro is usually slower than that of o1-pro. We recommend using it when reliability is required rather than speed, and waiting a few minutes is worth it," OpenAI said in an email.

Some developers have started sharing their experiences with o3-pro. For example, Yuchen Jin, CTO of Hyerbolic Labs, tweeted that when he input "Hi, I’m Sam Altman," the response from o3-pro took 3 minutes and cost $80. Another user, Bindu Reddy, CEO of Abacus AI, also mentioned that after inputting "hey there," the response time of o3-pro was 2 minutes.

Developers can access o3-pro via OpenAI's API. Additionally, ChatGPT Pro and Team users can also use this model. The new version replaces the original o1-pro, aiming to enhance the user experience. OpenAI stated that o3-pro supports various tool functions such as web search, file analysis, visual input reasoning, Python programming, and personalized responses.

However, the usage cost of o3-pro is relatively high. According to OpenAI's pricing page, the input fee for o3-pro is $20, and the output fee is $80, while the fees for o3 have dropped to $2 and $8, which is almost one-tenth of the price. This high cost may make some enterprise developers cautious about trying it out.

OpenAI released o3 and o4-mini in April this year, expanding its series of inference models. The o3-pro uses the same underlying model as o3 but has improved accuracy and efficiency. Early evaluations showed that o3-pro performs better than the base model in scientific, educational, programming, commercial, and writing assistance fields.

Currently, o3-pro does not support image generation, and OpenAI has temporarily disabled temporary chats to address technical issues. Although some users feedback that o3-pro performs exceptionally well in work, the high operating costs may still affect the willingness of some developers to try it out.

Key Points:

🌟 The o3-pro is OpenAI's latest AI model, specifically designed to provide high reliability and accuracy for businesses.

⏳ This model has a slower response speed but is suitable for complex problems requiring high reliability.

💰 The usage cost of o3-pro is relatively high, which may affect the willingness of developers to try it out.

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