(Bloomberg) — Amazon.com Inc. is boosting its stake in OpenAI rival Anthropic, builder of the Claude generative artificial intelligence software.Most Read from BloombergTrump Promises Could Have Seismic Impact on Washington EconomyTokyo’s Scorching Summers Focus Public Anger Against Tree CuttingNYC Mayor Adams Names Jessica Tisch to Lead Police Head Amid ProbesParis to Replace Parking Spaces With TreesNew York’s Transit Agency Approves $9 Congestion TollThe cloud-computing giant is pumping an a