A machine tool, comprising: - a machine frame; - a workpiece clamping device for clamping a workpiece; - an axis slide assembly (3; 300) arranged on said machine frame and configured to linearly move said workpiece clamped on said workpiece clamping device by means of at least two controllable linear axes (Y, Z; Y, X, Z); and - a spindle carrier assembly arranged on said machine frame and including at least two tool-carrying work spindles (41, 42); wherein a first work spindle of said at least two tool-carrying work spindles (41, 42) is moveable linearly by means of a third controllable linear axis perpendicularly to said respective two controllable linear axes (Y, Z) of said axis slide assembly between a first machining position of said first work spindle and a first tool change position of said first work spindle, and wherein a second work spindle of said at least two tool-carrying work spindles (41, 42) is moveable linearly by means of a fourth controllable linear axis in parallel to the direction of said third controllable linear axis between a second machining position of said second work spindle and a second tool change position of said second work spindle, a tool magazine having a tool magazine carrier arranged on said machine frame and configured to hold available a plurality of tools, characterized in that said tool magazine is moveable by means of a fifth linear axis perpendicularly to the directions of the third and fourth linear axes (X1, X2), wherein the tool change positions of the two tool-carrying work spindles (41, 42) are arranged in a first position of said tool magazine carrier on respective change portions (101a, 101b) of said tool magazine carrier, and the two tool-carrying work spindles (41, 42) in the first position of said tool magazine carrier are configured, by a respective movement to the respective tool change position, to directly insert, for a tool change, tools into a tool holder of said tool magazine at the respective change portion (101a; 101b) of said tool magazine carrier. - a machine frame; - a workpiece clamping device for clamping a workpiece; - an axis slide assembly (3; 300) arranged on said machine frame and configured to linearly move said workpiece clamped on said workpiece clamping device by means of at least two controllable linear axes (Y, Z; Y, X, Z); and - a spindle carrier assembly arranged on said machine frame and including at least two tool-carrying work spindles (41, 42); wherein a first work spindle of said at least two tool-carrying work spindles (41, 42) is moveable linearly by means of a third controllable linear axis perpendicularly to said respective two controllable linear axes (Y, Z) of said axis slide assembly between a first machining position of said first work spindle and a first tool change position of said first work spindle, and wherein a second work spindle of said at least two tool-carrying work spindles (41, 42) is moveable linearly by means of a fourth controllable linear axis in parallel to the direction of said third controllable linear axis between a second machining position of said second work spindle and a second tool change position of said second work spindle, a tool magazine having a tool magazine carrier arranged on said machine frame and configured to hold available a plurality of tools, characterized in that said tool magazine is moveable by means of a fifth linear axis perpendicularly to the directions of the third and fourth linear axes (X1, X2), wherein the tool change positions of the two tool-carrying work spindles (41, 42) are arranged in a first position of said tool magazine carrier on respective change portions (101a, 101b) of said tool magazine carrier, and the two tool-carrying work spindles (41, 42) in the first position of said tool magazine carrier are configured, by a respective movement to the respective tool change position, to directly insert, for a tool change, tools into a tool holder of said tool magazine at the respective change portion (101a; 101b) of said tool magazine carrier.