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Recently there was an extensive discussion of Higgs inflation in the theorywith the potential \lambda(\phi^2-v^2)^2 and nonminimal coupling to gravity{\xi\over 2}\phi^2R, for \xi >> 1 and v<< 1. We extend this investigation tothe theories m^2\phi^2 and \lambda(\phi^2-v^2)^2 with arbitrary values of \xiand v and describe implementation of these models in supergravity. We analyzeobservational consequences of these models and find a surprising coincidence ofthe inflationary predictions of the model \lambda(\phi^2-v^2)^2 with \xi <0 inthe limit |\xi|v^2 \to 1 with the predictions of the Higgs inflation scenariofor \xi >> 1.

Observational consequences of chaotic inflation with nonminimal coupling to gravity