Vibe coding with Claude Haiku, Sonnet and Opus 5.5: cost, time and whether the game works

Three single-file browser games (brick-breaker, 2048, Sudoku) built by Claude Code 2.1.295 with Claude Haiku 5.5, Sonnet 5.5 and Opus 5.5, five runs each (45 runs, measured 2026-10-20). For every run: input, cache-read and output tokens, API list-price cost, time, model turns, file size and the result of automated play tests in headless Chromium (2048: 30-move rule check; Sudoku: three generated puzzles checked for exactly one solution). All 45 games passed. Median API cost per game: Haiku 5.5 $0.015, Sonnet 5.5 $0.13, Opus 5.5 $0.28 (Haiku 95-96% cheaper). Sonnet was fastest; Haiku slowest. Files: CSV and JSON of all runs, checker and build scripts, and a zip of raw logs and games (PC user name replaced by USER). Method and limitations: https://tokensave.app/data/vibe-coding-by-claude-model