v2: 163 runs, hard bug with 5 runs per tool and a tests-allowed condition, new title
ff864d1 verified | { | |
| "title": "Where Claude Haiku falls behind Opus: 163 coding runs with hidden tests", | |
| "url": "https://tokensave.app/data/ai-coding-limit-line", | |
| "license": "CC BY 4.0", | |
| "citation": "TokenSave (2026). Where Claude Haiku falls behind Opus: 163 coding runs with hidden tests [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23600477", | |
| "measured": "2026-10-23 to 2026-10-24", | |
| "setup": "Windows 11; Claude Code 2.1.295 (effort medium, acceptEdits); Codex CLI 0.162 and 0.163 (gpt-6-luna, medium, workspace-write sandbox); Antigravity CLI 1.4.5 (gemini-4-argon-medium, accept-edits)", | |
| "tasks": { | |
| "2": "Five-level brick game with pause, level skip and saved progress (single file)", | |
| "3": "Multi-file expense tracker (CSV module, summary module, UI)", | |
| "4": "Budget app: 5 modules, 3 hash-routed views, undo/redo, budgets, reports", | |
| "5a": "Fix 6 reported bugs and add 3 features in an existing 1,032-line budget app", | |
| "5b": "Spreadsheet engine and page (formulas, precedence, cycles, relative/absolute copy, undo)", | |
| "6t1": "marked: drop leading whitespace after a hard line break (real bug, fixed upstream in 123ce04b)", | |
| "6t2": "marked: no nested link for a bare URL after an image inside a link (upstream cc07bb9c)", | |
| "6t3": "marked: a code span ending in a backslash must not hide later emphasis (upstream 6a57018f)" | |
| }, | |
| "scoring": { | |
| "2": "9 black-box checks", | |
| "3": "12 checks", | |
| "4": "23 checks (10 module, 13 UI)", | |
| "5a": "38 = 6 bug checks + 9 feature checks + 23 tier-4 regression checks", | |
| "5b": "38 = 32 engine module tests + 6 page tests", | |
| "6": "1 point if the upstream fix's hidden spec passes and no other marked spec test newly fails; hidden_cases_passed counts the 7 cases of that spec one by one. tests_allowed: dependencies preinstalled and the prompt allowed running node and the spec tests" | |
| }, | |
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