# Inception launches Mercury 3 at 1,068 tokens per second > Source: > Published: 2026-10-19 17:06:00+00:00 # Inception launches Mercury 3 at 1,068 tokens per second **Stefano Ermon's diffusion model claims a 1-million-token context window and benchmark gains over rival models, with launch pricing half off.** By [Ryan Merket](https://runtimewire.com/author/ryan-merket) · Published Primary source: [X](https://x.com/StefanoErmon/status/2112222911218291051) ## Why it matters Mercury 3 tests whether diffusion can scale into general agent and business workloads while keeping its speed advantage. Its published results and partner examples are company-reported, so adoption will depend on how the model performs in developers' own tasks. [Inception](https://www.inceptionlabs.ai/blog/introducing-mercury-3) launched Mercury 3 on October 19th, pitching its diffusion-based language model as a faster alternative to conventional systems that generate text one token at a time. CEO and co-founder [Stefano Ermon (@StefanoErmon)](https://x.com/StefanoErmon) says it delivers more than 1,000 tokens per second while improving on the company's earlier models. When you purchase through links in our articles, [we may earn a small commission](https://runtimewire.com/affiliate-monetization-standards). This doesn’t affect our editorial independence.