multi-agent

xAI has released Grok 4.20 Multi-Agent, a variant designed for collaborative agent-based workflows with a 2-million-token context window. The model scales from 4 agents at low/medium reasoning effort to 16 agents at high/xhigh effort levels, priced at $2 per million input tokens and $6 per million output tokens.

Anthropic has launched Code Review, a multi-agent system within Claude Code that automatically analyzes AI-generated code and flags logic errors. The tool addresses enterprise concerns about managing the increasing volume of code produced by AI systems.

Samsung is expanding Galaxy AI to include Perplexity as an integrated AI agent accessible via the voice command "Hey, Plex." The integration gives Perplexity access to Samsung's native apps including Notes, Clock, Gallery, Reminder, and Calendar, marking Samsung's shift toward a multi-agent ecosystem.