hey there!

Imagine you’re watching a cooking video on YouTube, and the chef suddenly flips a pancake in the air while shouting, “Check this out!” You pause, curious, and ask your model, “What’s the chef doing right now?”

Without missing a beat, it replies—in a smooth, natural voice—“The chef’s flipping a pancake like a pro!” while typing out the same answer on your screen. It’s what Qwen2.5-Omni, a slick new multimodal model, brings to the table.

Qwen released their flagship multimodal model Qwen2.5-Omni. This is the model which Sees, Hears, and Talks Back—All in Real-Time. Hope you’ve guessed the modalities - it comprises of text, image, audio and video (pretty much everything, no?)

There is video description of the model, checkout:

Qwen2.5-Omni-7B: Voice Chat + Video Chat! Powerful New Opensource end-to-end multimodal model

In this blog, I’m diving into the novelties that make Qwen2.5-Omni stand out: TMRoPE (Time-aligned Multimodal Rotary Position Embedding) and the Thinker-Talker architecture. We’ll break them down intuitively to make it pop. Let’s get into it.


Architecture

Architecture

Architecture

Let’s look at the architecture above. Qwen2.5-Omni is a unified model that can perceive text, images, audio, and video, then generate text and natural speech—all in a streaming fashion.

That means it doesn’t sit around waiting for the whole video to finish; it processes and responds as the data flows in.

Picture this: you’re on a video call, and the model is listening, watching, and chatting back without lag. That’s the goal.

Here, both audio and visual encoders utilize a block-wise processing approach.

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