ViBench 2.0 - Historical GPT Public8 Plan Pass: leaderboard

Long-horizon greenfield software building with sequential features and browser-graded test plans. Browser test-plan pass rate (%). ViBench2 native public OpenHands-SDK harness, medium reasoning, temperature1.0, max300steps and2hours per stage, summarization past200k tokens; provider default output/context limits and recommended open-weight top-p. Independent cohort ran2.0.1.beta, historical-GPT cohort2.0.5 with matching task/plan hashes. Four independent builds per product. Pass@1 requires every browser-graded plan to pass; Plan Pass is the mean fraction of plans passed. Grader/seeding Opus5.5 medium.

Metric: Browser test-plan pass rate (%). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6.1 Sol (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)94.9
2GPT-6.1 Terra (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)94.5
3GPT-6 Sol (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)84
4GPT-5.6 Sol (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)67.5
5GPT-6 Luna (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)59.8
6GPT-5.5 (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)51.5
7GPT-5.4 (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)41.5
8GPT-5.6 Terra (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)26.1
9GPT-5.6 Luna (Benchmark Sweep Run: source=ViBench2; OpenHandsSDK; medium; temperature1.0; cohort=historical-GPT-public8)6.6

Interactive version: theaggregate.ai/benchmark?slug=vibench-2-0-historical-gpt-public8-plan-pass · How It Works · Data refreshed daily, snapshot 2026-11-06.