HarnessPro - GLM-5.2 Claude Code - ProgramBench: leaderboard

HarnessPro (2026): label-free harness development, GLM-5.2 Claude Code execution setup. Official held-out evaluations; baseline GPT-5.5 high effort, GLM-5.2 max for Terminal-Bench/SWE and high for ProgramBench. HarnessPro evolves effort dynamically; Lite/Medium/Heavy are optimization cost weights, not fixed provider reasoning settings. ProgramBench uses macro-averaged within-task test pass fraction. Each method remains a distinct model-plus-harness system; cost, timing and standard deviations are not capability scores. Pass Rate (%); higher is better.

Metric: Pass Rate (%). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 5 models tracked.

Top models

#ModelScoreOverall rank
1HarnessPro Study GLM-5.2 Claude Code - HarnessPro-Heavy objective system64.4
2HarnessPro Study GLM-5.2 Claude Code - RHO objective system63.3
3HarnessPro Study GLM-5.2 Claude Code - HarnessPro-Medium objective system63
4HarnessPro Study GLM-5.2 Claude Code - HarnessPro-Lite objective system60.1
5HarnessPro Study GLM-5.2 Claude Code - Vanilla objective system59.7

Interactive version: theaggregate.ai/benchmark?slug=harnesspro-glm-5-2-claude-code-programbench · How It Works · Data refreshed daily, snapshot 2026-10-21.