ResearchProduct / feature launchReasoning & Planning · Agents & Tool Use · Image, Video & 3D Generation2 sources · Oct 20, 2026

DiffResearch: Accelerating Deep Research with Diffusion Language Models

We present DiffResearch, an open multi-agent deep research framework that places a diffusion language model (dLLM) at the core of every stage, and measure how a diffusion backbone changes latency and report quality.

Key points

  • Deep research systems iteratively plan, gather evidence, synthesize, and revise, making end-to-end latency a key bottleneck for interactive use.
  • Holding the agentic scaffold, retrieval code, prompts, and evaluation fixed, we swap the backbone between an open diffusion model and a comparable AR model.
  • We further introduce dFast, a decomposition mode that reads intermediate denoising states and extracts subqueries before generation finishes, providing a 1.99 times median speedup for decomposition in isolation with no loss of report quality.
  • We release DiffResearch under an Apache-2.0 license.

Sources (2)

Extractive summary: sentences quoted from the sources.

Hype check

Independently evaluated11 independent looks since

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