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Holding the FP8 Quality Ceiling at 8-Bit Weights and Activations: INT8 and GGUF Post-Training Quantization of Ideogram 4.0 for Consumer GPUs
Post-training quantization of Ideogram 4.0 where INT8 W8A8 comes out statistically indistinguishable from FP8 on key quality metrics, with INT8 and GGUF Q4_K both cutting compute for consumer-GPU deployment.