# Inception releases Mercury 3 diffusion model, now on OpenRouter



Inception



Inception has released Mercury 3, a diffusion language model now available on OpenRouter. OpenRouter announced access at 00:54 Beijing time on October 20, 2026, reporting generation speeds above 1,000 tokens per second and a one-million-token context window, four times that of Mercury 2.5. Inception reports that Mercury 3 outperforms GPT-6 Luna and Haiku 5.5 on IFBench, GPQA Diamond and SWE-Bench Atlas; these are vendor-reported results.


## Availability

Available on OpenRouter
- Model released: Oct 20, 2026 · Date only
- Review updated: Oct 20, 2026 07:47 Tue · Beijing Time (UTC+8)

## Sources

- Source excerpt: https://x.com/OpenRouter/status/2112225779782398131

Canonical entry: https://www.ailyre.com/source/?id=openrouter-inception-mercury-3-2026-10-20&lang=en