Article · Benchmarks & research
Inside Halv's 57.1% Cost Reduction: SWE-rebench Data
Halv reports a paired SWE-rebench comparison where its workflow, an Astra coordinator, a Luna investigation stage, and JEV selecting worker models…
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How builders describe it
Halv reports a paired SWE-rebench comparison where its workflow, an Astra coordinator, a Luna investigation stage, and JEV selecting worker models and reasoning effort, recorded $144.67 in model cost versus $337.50 for vanilla Codex across 42 runs, with both arms passing 25 verifier runs.
The decision Jev makes
Benchmark questions with known answers, to check accuracy and confidence.
Where it fits
Head-to-head tests, calibration studies and independent research into how well Jev decides, how fast, and at what cost. All 682 benchmarks & research projects →
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