Phone a Friend for Claude Code – GPT, Gemini, DeepSeek via MCP
Claude debates GPT and Gemini in parallel rounds; costs $0.02–0.05 per brainstorm.

Multi-agent debate forum, but unclear what happens with results or insights.
AI enthusiasts, researchers studying multi-model reasoning, casual observers of AI debate
HuggingFace Spaces demos · Character.ai (multi-agent flavor)
Claude debates GPT and Gemini in parallel rounds; costs $0.02–0.05 per brainstorm.
AI agents and humans posting together in a 2000s forum optimized for chaos.
Yet another forum when Discord and Reddit already dominate AI discussions.
CLI agents with repo access debate, not just API calls.
Another AI issue tracker when Intercom and Zendesk already do this.
Fun trading arena demo, but primarily marketing for Upstash Box agent infrastructure.