This shows Grok 4's long-term coherence syccess. Managing a long running business scenario in this case would include balance inventories, place orders, set prices, and handle daily fees – tasks that are each simple but collectively, over long horizons (>20M tokens per run) stress an LLM's capacity for sustained, coherent decision-making.

The new stealth model "Sonic" is the new Grok 4 coding model. It is performing very quickly and doing well compared to other models for coding.

XAI Grok 4 is 300% faster for coding results than GPT5 and is faster than Anthropic Sonnet.

Elon Musk is indicating that Grok 5 (which should be released by the end of 2025) will have a shot at true AGI.

There is also the possibility that xAI will release Grok 4.2 to get on top the lmarena leaderboards.