Inception introduced Mercury 3 on October 19, 2026, describing the model as the most capable diffusion-based large language model released to date, with launch pricing of $0.10 per million input tokens and $0.35 per million output tokens. The company said Mercury 3 outperforms GPT-6 Luna and Claude Haiku 5.5 across a range of benchmarks while running four to eight times faster at more than 1,000 tokens per second. The announcement lists a speed of 1,068 tokens per second on NVIDIA GPUs and a…