# Post-training 4B model with RL to fly Tesla Roadster 21% better than GPT-6 Astra

- Source: Hacker News
- Published: 2026-10-30T15:27:16+00:00
- Category: Tech
- Original: https://skypilot.ai/blog/flying-roadster-rl
- Canonical: https://groundlevelnews.com/story/post-training-4b-model-with-rl-to-fly-tesla-roadster-21-better-than-gp-1aad54/

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