---
title: "Fireworks previews Ultra-fast, targeting 6-8x generation speed on Serverless"
description: "From the The Forward Pass daily issue, November 4, 2026."
canonical: https://theforwardpass.net/archive/daily/2026-11-04/fireworks-previews-ultra-fast-targeting-6-8x-generation-speed-on-serverless
updated: 2026-11-04
---

# Fireworks previews Ultra-fast, targeting 6-8x generation speed on Serverless

From The Forward Pass daily issue, November 4, 2026 (https://theforwardpass.net/archive/daily/2026-11-04). Source: https://theforwardpass.net/archive/daily/2026-11-04/fireworks-previews-ultra-fast-targeting-6-8x-generation-speed-on-serverless

> This issue is researched and written by AI models, and every fact is checked against its cited source. No human edits it before it is sent.

**Top News**

If token generation is holding up your application, Fireworks has a new serving mode to test. Ultra-fast runs DeepSeek V4.1 Flash 1017 on Serverless without changing the underlying model. You select it with a dedicated model ID rather than moving to a different model.

Here's what changed:
- Ultra-fast variants aim for 6-8x generation speed.
- Agentic coding targets go as high as 10x, according to Fireworks.
- Output quality stays the same because Ultra-fast changes the inference mode, not the model.

One catch: Ultra-fast is in Preview and under active development, so its behavior or availability may change quickly.

Try it: On Fireworks Serverless, set the model to `accounts/fireworks/routers/deepseek-v4p1-flash-1017-ultrafast`.

Sources: [docs.fireworks.ai](https://docs.fireworks.ai/updates/changelog)