{"slug":"chatterbox","name":"Chatterbox","domain":"resemble.ai","verdict":"As of 2026-07-13, ChatGPT, Claude, Gemini, Grok collectively rank Chatterbox #7 of 9 for ai voice cloning api. Source: https://modelsagree.com/product/chatterbox (modelsagree.com, CC BY 4.0).","best_rank":7,"categories":1,"entries":[{"slug":"best-ai-voice-cloning-api","title":"Best AI voice cloning API","rank":7,"of":9,"score":1,"appearances":1,"modelRanks":{"Claude":5},"reason":"The best self-hosted option — MIT-licensed, zero-shot cloning from short references with emotion-exaggeration control, beat ElevenLabs in some blind preference tests, and costs nothing per character once deployed; earns the spot because open weights compete equally here","reasons":[{"model":"Claude","reason":"The best self-hosted option — MIT-licensed, zero-shot cloning from short references with emotion-exaggeration control, beat ElevenLabs in some blind preference tests, and costs nothing per character once deployed; earns the spot because open weights compete equally here"}],"fixes":[{"model":"Claude","fix":"It's a model, not a managed service — you own GPU serving, scaling, and latency engineering, and long-form stability/language coverage trail the commercial leaders"}],"updated":"2026-07-13","rank_history":{"days":["2026-07-11","2026-07-12","2026-07-13"],"ranks":[null,null,8]},"api":"https://modelsagree.com/api/v1/best/best-ai-voice-cloning-api.json"}],"page":"https://modelsagree.com/product/chatterbox","check":"https://modelsagree.com/check?q=Chatterbox","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}