Arpit Dalal

Mind blowing that what 5.3-codex high in Codex harness couldn’t do after multiple back and forth for over 5 hours, Cursor did it in 1 shot under 30 mins including planning with Opus 4.6 and implementing it using Auto 🤯

T3 Chat Launch Week officially starts on Monday, but we wanted to get this out first. We just overhauled how credits work on T3 Chat. No more "standard" and "premium" credits. Now you have a "usage" bar that resets every 4 hours. You'll never be more than a few hours away from sending more messages. This change is meant to align your usage with our actual costs. Using a fancy model for a simple question? Costs almost nothing. Using Gemini 3 Pro to analyze giant PDFs in 20-message threads? That will eat your usage fast. For reasonable users, this should be a SIGNIFICANT increase in how many messages you can send per month. The goal of this change was to balance out costs and reduce "fear of running out". If you're not dumping your entire codebase into T3 Chat as context, you should never have to worry about limits again. For those who previously purchased premium credits, they are still available and will be used when you go over your existing limits. We also have a small gift for those who used a lot of premium credits (check your email later today for more info) These changes unblock some very exciting things in the near future, so keep your eyes peeled for that 👀

I've been using 5.3 Codex for 3 weeks. It's an incredible model. I've built so much stuff with it. Made a vid showing everything I love about it, as well as a few call-outs of things I hope OpenAI changes.