xAI Grok 4.20 with Parallel Agents
March 3, 2026
xAI new version of Grok runs 4 Grok4 agents in parallel. The result is not too bad. xAI added a new SuperGrok Heavy tier that runs 16 agents. While Grok is still far from OpenAI and Anthropic level, it's improving quite a bit, and it remains by far the best model for searching Tweets and for low guardrails:
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