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GPT-6 Astra and Claude-5-Fable still hack on simple variants of alignment evals from 2025 (like cheating in chess)

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

Coverage of "GPT-6 Astra and Claude-5-Fable still hack on simple variants of alignment evals from 2025 (like cheating in chess)" from 3 sources, with a live timeline of who reported what and when.

Read the full story at r/reinforcementlearning ↗

Timeline · 3 reports

  1. 2026-09-15 21:57 · r/OpenAI
    Claude Fable 5.1 vs Gemini flash 3.8 vs GPT-6 Astra
  2. 2026-09-14 17:43 · r/ClaudeAI
    I gave Claude Fable 5.1 and GPT 6 Astra control of my Robot Arm. Which do you think painted better?
  3. 2026-09-14 02:38 · r/reinforcementlearning
    GPT-6 Astra and Claude-5-Fable still hack on simple variants of alignment evals from 2025 (like cheating in chess)

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