I Think Anthropic and OpenAI Found Product-Market Fit
Anthropic and OpenAI changed enterprise pricing around April 2026, moving coding agents from heavily discounted seat plans to API-usage billing, with Anthropic Enterprise at $20 per seat per month plus API fees and OpenAI Codex billed by API token usage.
Why it matters: HKR-H/K/R all pass: the piece ties OpenAI and Anthropic PMF to a concrete billing shift for coding agents. It is influential commentary, not an official launch, so it fits the 78–84 band.