A testing for the 4 most popular AIs, Claude Sonnet 4.6, Gemini 2.5 Flash, Microsoft Copilot Smart mode, ChatGPT. All max free tier except Claude (Opus > Sonnet)
The results markdown file is RESULTS.md
The link to the google docs with results is https://docs.google.com/document/d/1bq3AIu4VlYCSiaXYan60vXp_0L4ylrIi5cZoO4RVYCY/edit?tab=t.0
live-by-unix/free-ai-tier-2026-benchmark-test
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