Anthropic vs Pentagon, Nvidia Hits $68B & Perplexity's Agent OS

Today on AI RADAR: **Anthropic** takes a historic stand against the U.S. Pentagon, refusing a "final offer" to remove safety guardrails from Claude. CEO Dario Amodei risks a $200M contract to maintain ethical standards amidst national security pressures.Meanwhile, **Nvidia** silences bubble fears with a massive $68.1B quarter. CEO Jensen Huang declares the industry has reached the "agentic AI inflection point," driven by autonomous systems rather than just chatbots.Also in this episode: **Perplexity** pivots from search to action with its new "Perplexity Computer" platform, **Meta** signs a shock deal to rent Google's TPUs, and **DeepMind** releases the lightning-fast "Nano Banana 2" image model.Sources:• The Guardian: https://www.theguardian.com/technology/2026/feb/26/anthropic-pentagon-ai-safety-standoff• RNZ News: https://www.rnz.co.nz/news/business/2026/02/26/nvidia-smashes-forecasts-with-record-quarter• Elets CIO: https://cio.eletsonline.com/news/perplexity-ai-launches-perplexity-computer• The Standard: https://www.thestandard.com.hk/breaking-news/section/4/20260226/meta-google-chip-deal• Google Blog: https://blog.google/technology/ai/nano-banana-2-launch