https://tldr.tech
7/9/2026

The original title has emojis and covers three items. I need to rewrite it without emojis, keeping key facts, max 12 words, aim for 8-10.
Original: GPT-Live 🔊, Grok matches Opus 🤖, inside Bun's rewrite 👨💻
Short summary
TLDR newsletter roundup covering three AI and dev-tooling developments: a new GPT-Live feature from OpenAI, xAI's Grok reportedly matching Anthropic's Claude Opus on benchmarks, and an inside look at the Bun JavaScript runtime rewrite. Post body was unavailable at enrichment time, limiting depth of analysis.
- •OpenAI launches GPT-Live feature
- •Grok reportedly matches Claude Opus on benchmarks
- •Bun JavaScript runtime gets an internal rewrite deep-dive
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