Show HN: I ran every Claude agent turn through the Batch API
https://eran.sandler.co.il/post/2026-04-27-batch-api-is-terrible-for-one-agent/
I built a tiny Python REPL to answer a dumb-but-useful question:What happens if every turn in an agent loop goes through Anthropic’s Batch API instead of the normal synchronous endpoint?The motivation was cost. Batch API is 50% off, which sounds very attractive for agent workloads: evals, background research agents, CI agents, unattended subagents, etc.The result: it works, but it is awful for...