At launch, GPT-5's Thinking model was limited to 200 messages per week for Plus subscribers, now Altman says the rate limits ...

The move will put Merge in direct competition with Neuralink, which raised $650mn earlier this year at a $9bn valuation. The ...

Musk threatens to sue Apple for allegedly favoring ChatGPT and blocking other AI rivals from the App Store's top spot. Altman ...

Based on initial success, Musk reportedly plans for Neuralink to implant 20,000 people with its chips annually by 2031.

CEO Sam Altman said the company would improve the chatbot’s tone, which some users found cold, and allow paying customers to access older models.