
The diffusion LLM that scaled 40x without slowing down
Mercury 3 is the most capable diffusion LLM released to date. It outperforms GPT-6 Luna and Claude Haiku 5.5 while running 4–8x faster at 1,000+ tokens per second.
Mercury 3 is a diffusion LLM that delivers superior performance compared to GPT-6 Luna and Claude Haiku 5.5, operating at speeds of 1,000+ tokens per second, 4–8x faster than its competitors. It has scaled 40x without a decrease in performance.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.