AI Weekly 4/17–4/24 | OpenAI Stack, Anthropic Politics, Figma Tumbles

One-line summary: Across one week OpenAI shipped GPT-5.5 (4/23), Images 2.0 (4/21), and a reported $20B Cerebras chip-and-equity deal (4/16, per The Information). In the same window Anthropic launched Claude Design (Figma -7% intraday), and its CEO walked into the White House. AI competition expanded out of the "toolchain" along three axes at once — down to compute supply, up to product distribution, sideways into politics. This week's dual protagonists: If OpenAI defined this week's commercial