Lightricks

LTX-2.3 Fast

lightricks/ltx-2.3-fast

LTX-2.3 Fast generates portrait or landscape video with synchronized audio at up to 4K.

LTX-2.3 Pro

lightricks/ltx-2.3-pro

LTX-2.3 Pro is the higher-fidelity LTX-2.3 API variant for video with synchronized audio at up to 4K.

LTX-2.5 Fast

lightricks/ltx-2.5-fast

LTX-2.5 Fast generates portrait or landscape video with synchronized audio, up to 4K and 20 seconds.

LTX-2.5 Pro

lightricks/ltx-2.5-pro

LTX-2.5 Pro is the higher-fidelity LTX-2.5 variant for portrait or landscape video with synchronized audio at up to 1080p.

LTX-2 Fast

lightricks/ltx-2-fast

Deprecated LTX-2 fast video model, automatically served by LTX-2.3 until its scheduled removal on August 15, 2026.

LTX-2 Pro

lightricks/ltx-2-pro

Deprecated LTX-2 high-fidelity video model, automatically served by LTX-2.3 until its scheduled removal on August 15, 2026.