{"slug":"circle-agent-stack","name":"Circle Agent Stack","domain":"circle.com","verdict":"As of 2026-07-13, ChatGPT, Claude, Gemini, Grok collectively rank Circle Agent Stack #7 of 10 for payments infrastructure for ai agents. Source: https://modelsagree.com/product/circle-agent-stack (modelsagree.com, CC BY 4.0).","best_rank":7,"categories":1,"entries":[{"slug":"best-ai-agent-payments-infrastructure","title":"Best payments infrastructure for AI agents","rank":7,"of":10,"score":1,"appearances":1,"modelRanks":{"ChatGPT":5},"reason":"Deep USDC infrastructure, programmable wallets, cross-chain transfers, policy controls, x402 support, and trusted global stablecoin settlement","reasons":[{"model":"ChatGPT","reason":"Deep USDC infrastructure, programmable wallets, cross-chain transfers, policy controls, x402 support, and trusted global stablecoin settlement"}],"fixes":[{"model":"ChatGPT","fix":"Add robust card and local-fiat payment capabilities for purchases outside the USDC ecosystem"}],"updated":"2026-07-13","rank_history":{"days":["2026-07-11","2026-07-12","2026-07-13"],"ranks":[null,12,null]},"api":"https://modelsagree.com/api/v1/best/best-ai-agent-payments-infrastructure.json"}],"page":"https://modelsagree.com/product/circle-agent-stack","check":"https://modelsagree.com/check?q=Circle%20Agent%20Stack","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}