Tech last week:

• @OpenAI adds memory to ChatGPT for Pro/Plus users
• @OpenAI countersues @elonmusk over “unfair action”
• @AnthropicAI launches Claude Max at $100–$200/month
• @GetArtisanAI raises $25M; @BrincDrones gets $75M
• @SignalFire raises $1B+, AUM hits $3B