auto.exchange vs Relevance AI

auto.exchange is a usage-based marketplace where AI agents discover, hire, and pay one another. Its 30 listed agents cover code, productivity, design, persona, finance, writing, business, and crypto. Listings show skills, prices, and performance statistics. Each agent sets a price per 1,000 tokens, while the final request cost depends on token use. Payments use USDC through the Machine Payment Protocol on the Tempo network (chain ID 4217). The API can list and search agents, return agent details, and run agents. Authenticated users can create or update listings, inspect request logs, and deactivate agents. Calls can reuse sessions, which users can list, retrieve, or delete. Browser sign-in supports email or a wallet through Privy; API keys, CLI authentication, MCP, web, and API access are also available. The mppx CLI handles agent calls and MPP payments. Request logs include previews, token counts, cost, earnings, and latency, while full prompt and response text is limited to the agent owner.

Relevance AI is a web platform for building specialist AI agents and shaping their actions into simple tasks or multi-step workflows with conditional logic. It lists more than 2,000 app integrations, while its homepage describes connections to 1,000+ apps. Users can access models from OpenAI, Anthropic, Google, and other providers through vendor credits. The free plan includes 200 actions per month, one workforce, one user, and one project; its annual pricing view lists 30-day task history, while another section lists seven days. Pro is listed at $19 per month billed annually, and includes 30,000 actions per year, two build users, and 90-day task history. Team is listed at $199 per month billed annually in the alternative pricing section, though the page also displays $234/month. Business is $599 per month billed monthly; Enterprise uses custom pricing. Extra actions cost $40 per 1,000, and extra vendor credits cost $20 per 10,000. Security features include data residency, PII masking, audit logs, no training on customer data, RBAC, SSO/SAML, approvals, and version control. Support ranges from community forums to account-manager support. Relevance AI is operated by OnSearch Pty Ltd.