Inception · Diffusion LLM

Mercury 3

Inception's third-generation diffusion language model, announced 19 October. It is more than 40 times larger in total parameters than Mercury 1, runs at 1,068 tokens per second on NVIDIA GPUs and has a 1M-token context, up from 260K for Mercury 2.5. Inception says it matches or beats GPT-6 Luna and Claude Haiku 5.5 while running 4-8x faster, and completed 50% of 50 live Mind2Web tasks in a partner test, all self-reported. Pricing is $0.20 per million input and $0.70 per million output tokens, half that at launch, with cached input 90% off. It is on the Inception API, OpenRouter, Baseten and Vercel. Follows Mercury Chat covered in week 9.