What is Grok 4.5's connection to Cursor?
xAI co-trained Grok 4.5 using developer session data from Cursor, the coding assistant SpaceX agreed to acquire for $60 billion weeks earlier. Per Axios, Cursor CEO Michael Truell's team contributed trillions of tokens of real code edits, debugging traces, and agent interactions from the Cursor platform.
Answered in
Grok 4.5 Ships, xAI Calls It Opus-Class at a Third of the PricexAI's Grok 4.5 prices coding at $2/$6 per million tokens, undercutting the $5/$25 Musk quoted for Opus 4.7 — but the AA Index ranks it behind Opus 4.8.
Read the full analysisOther questions this article answers
More how ai actually works questions
- Did the AI ultrasound study prove that it improves pregnancy outcomes?
- What does blind-sweep ultrasound mean in this study?
- Does Meta’s PrivacyLib watch every AI-agent action?
- What is the main design idea behind PrivacyLib?
- Is GPT-6.1 Terra available through the API?
- Do OpenAI's computer-use benchmarks guarantee reliable automation?
- What is semantic tokenization in a recommender system?
- Does Meta's reported conversion lift prove semantic tokens will improve every recommender?
Every answer on Crashtech is written by the editor of the article it comes from — never auto-summarised. Browse all answers or the How AI Actually Works beat.