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Caveman is the YC F26 company behind the token-saving Caveman prompt. It launched Caveman Code, a Mac and browser app where Claude, Codex, and Cursor work side by side on the subscriptions and keys you already pay for. A "Chief" starts chats, answers their questions, and reports back when work is done. Each pull request comes with a short review guide. Agents can also drive a desktop and browser on a cloud computer, which is in beta. In the company's own list-price runs, its harness was 21% cheaper than Codex on Terminal-Bench 4 with GPT-6.1 Sol, and both solved 90 of 192 runs. On Claude Opus 5.5 it was 14% cheaper while solving more tasks, 97 vs Claude Code's 83. The company also says it was 76% cheaper than Claude Code over day-long sessions across connected apps. It's free if you bring your own keys and logins. Source: Launch YC.
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