Anthropic announced that, effective April 4, 2026, Claude Pro and Max subscription plans can no longer be used with third‑party AI agent frameworks such as OpenClaw. Users must now pay for any extra usage under a pay‑as‑you‑go model or supply a separate API key. The move ends a quiet subsidy that let thousands of developers run autonomous agents on a flat‑rate plan, prompting cost spikes of up to 50 times for heavy users. Anthropic says the change protects capacity and aligns pricing with the compute‑intensive workloads of agentic tools. Read more →