Halv desktop workspace cuts coding-agent token use by 51% and lifts solve rate on SWE-rebench
EnslavedFish · reddit · 2026-09-06
A developer shipped Halv, a desktop app that runs Claude Code alongside other coding agents on existing subscriptions, with chat, split terminals, saved sessions, and a live savings meter. Under the hood it compresses context, filters noisy command output, and maintains a code index to help agents find what they need.
A self-run benchmark of Codex on 20 paired SWE-rebench tasks showed:
- 51.1% fewer tokens per correct answer
- 30.2% fewer total tokens
- 10/20 tasks solved vs 7/20 without Halv
All 40 run records and verifier results are published on halv.ai.
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