{"slug":"crystal","name":"Crystal","domain":"crystalknows.com","verdict":"As of 2026-07-13, ChatGPT, Claude, Gemini, Grok collectively rank Crystal #4 of 11 for ai image upscaling api. Source: https://modelsagree.com/product/crystal (modelsagree.com, CC BY 4.0).","best_rank":4,"categories":1,"entries":[{"slug":"best-ai-image-upscaling-api","title":"Best AI image upscaling API","rank":4,"of":11,"score":5,"appearances":1,"modelRanks":{"Grok":1},"reason":"Exceptional faithful upscaling for AI-generated images (e.g., Flux, Nano Banana), highest practical max output (up to 200MP, 2x-10x), cleanest preservation of original intent without artifacts or invention, cheapest per-image at ~$0.025, developer-friendly API with strong real-world results for print and production workflows (assumes typical practitioner needs scalable cloud access over desktop).","reasons":[{"model":"Grok","reason":"Exceptional faithful upscaling for AI-generated images (e.g., Flux, Nano Banana), highest practical max output (up to 200MP, 2x-10x), cleanest preservation of original intent without artifacts or invention, cheapest per-image at ~$0.025, developer-friendly API with strong real-world results for print and production workflows (assumes typical practitioner needs scalable cloud access over desktop)."}],"fixes":[],"updated":"2026-07-13","rank_history":{"days":["2026-07-12","2026-07-13"],"ranks":[null,4]},"api":"https://modelsagree.com/api/v1/best/best-ai-image-upscaling-api.json"}],"page":"https://modelsagree.com/product/crystal","check":"https://modelsagree.com/check?q=Crystal","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}