On April 14, 2026, Anthropic shipped Routines. On April 15, Google announced sub-agents had finally arrived in Gemini CLI. On April 16, Claude Opus 4.7 hit 87.6% on SWE-bench Verified. On April 23, OpenAI shipped GPT-5.5 with a state-of-the-art Terminal-Bench 2.0 score. Between April 20 and 24, Codex CLI rolled out plugin management, Plan Mode, and stable hooks across versions 0.122 through 0.125. One week in April 2026, five releases, one verdict: in the terminal, the rest