{"slug":"roark","name":"Roark","domain":"roark.com","verdict":"As of 2026-07-13, ChatGPT, Claude, Gemini, Grok collectively rank Roark #4 of 7 for voice agent evals platform. Source: https://modelsagree.com/product/roark (modelsagree.com, CC BY 4.0).","best_rank":4,"categories":1,"entries":[{"slug":"best-voice-agent-evals-platform","title":"Best voice agent evals platform","rank":4,"of":7,"score":6,"appearances":3,"modelRanks":{"ChatGPT":4,"Claude":4,"Grok":4},"reason":"Particularly strong production-call analysis, with automatic platform syncing, searchable traces, custom metrics, simulation plans, thresholds, and unusually detailed audio-derived signals such as interruptions, pauses, sentiment, vocal cues, and emotions.","reasons":[{"model":"ChatGPT","reason":"Particularly strong production-call analysis, with automatic platform syncing, searchable traces, custom metrics, simulation plans, thresholds, and unusually detailed audio-derived signals such as interruptions, pauses, sentiment, vocal cues, and emotions."},{"model":"Claude","reason":"Standout production observability — replays real customer calls as simulations to reproduce failures, tracks funnel/outcome metrics per call flow, and turns live incidents into regression tests."},{"model":"Grok","reason":"Excellent production observability, real call replay with voice cloning for realistic regression, 40+ metrics, and turning failures into tests; ideal for iterating on live data; YC-backed with high volume experience."}],"fixes":[{"model":"ChatGPT","fix":"It has a shorter production track record and less demonstrated large-scale testing depth than the higher-ranked platforms."},{"model":"Claude","fix":"Broader pre-launch test generation; it needs real call traffic to shine, so greenfield agents get less value on day one."},{"model":"Grok","fix":"Stronger on post-deployment than comprehensive pre-launch simulation/CI; replay focus may not suit teams without existing production traffic."}],"updated":"2026-07-13","rank_history":{"days":["2026-07-12","2026-07-13"],"ranks":[4,4]},"api":"https://modelsagree.com/api/v1/best/best-voice-agent-evals-platform.json"}],"page":"https://modelsagree.com/product/roark","check":"https://modelsagree.com/check?q=Roark","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}