# Baidu ships ERNIE 5.5 Flash Preview with 280B parameters on a 14B active path > Source: > Published: 2026-11-11 16:49:00+00:00 # Baidu ships ERNIE 5.5 Flash Preview with 280B parameters on a 14B active path **The 280B model activates 14B parameters per token, claims a 1M-token context and 200 tokens per second, and is free on OpenRouter ahead of its weights release.** By [Ryan Merket](https://runtimewire.com/author/ryan-merket) · Published Primary source: [x.com](https://x.com/Baidu_Inc/status/2120391732248637734) ## Why it matters Baidu is testing whether a 280B model with only 14B active parameters can deliver agent-grade coding and knowledge work at small-model inference cost. The November 25th Apache 2.0 weights release will let developers verify the speed, context, and benchmark claims outside Baidu's hosted API. Baidu released [ERNIE 5.5 Flash Preview](https://runtimewire.com/models/baidu/ernie-5.5-flash-preview:free) on November 11th, 2026, positioning the model on inference efficiency: 280 billion total parameters, 14 billion active per token, a 1 million-token context window, and generation speed above 200 tokens per second, according to [Baidu's announcement on X](https://x.com/Baidu_Inc/status/2120391732248637734). Baidu said the model weights will be released by November 25th.… 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.