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Thanks to its unique capabilities the ALICE experiment can measure theproduction of identified particles and resonances over a wide momentum rangeboth in pp and Pb-Pb collisions at the LHC. In this report,particle-identification detectors and techniques, as well as achievedperformance, are shortly reviewed. The current results on hadron transversemomentum spectra measured in pp collisions at $\sqrt{s}$ = 0.9 TeV and 7 TeV,and in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV are shown. Inparticular, proton-proton results on particle production yields, spectralshapes and particle ratios are presented as a function of the collision energyand compared to previous experiments and commonly-used Monte Carlo models.Particle spectra, yields and ratios in Pb-Pb are measured as a function of thecollision centrality and the results are compared with published RHIC data inAu-Au collisions at $\sqrt{s_{\rm NN}}$ = 0.2 TeV and predictions for the LHC.

Identified-particle production and spectra with the ALICE detector in pp and Pb-Pb collisions at the LHC