Grok 4.8 reportedly rolling out to Grok Bot users, unconfirmed yet
mark_k · x · 2026-11-15
Multiple users report Grok 4.8 is starting to roll out to Grok Bot users, though the rollout is not independently confirmed and access details are unclear.
- Elon Musk previously said pretraining was complete and Grok 4.8 had entered reinforcement learning
- He also claimed the team rebuilt its RL and inference stack from scratch in C/C++, replacing JAX and SGLang
- No public benchmarks or API release date yet
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