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Thinking-while-Generating: AI images that think as they form

Kari Jaaskelainen

— 1 min read
Thinking-while-Generating: AI images that think as they form

AI images that "think" as they form

Most image generators plan before they draw or fix mistakes after. Thinking-while-Generating (TwiG) lets models do something new: interleave short bursts of textual reasoning during generation—like thinking out loud while painting.

As pixels appear, the model explains what to add next and checks what it already made, guiding local regions and keeping the whole scene consistent. The result: more context-aware and semantically rich visuals.

To explore this idea, the authors test three strategies:

  • Zero-shot prompting: use clever prompts to spark on-the-fly reasoning.
  • Supervised fine-tuning on a new TwiG-50K dataset.
  • Reinforcement learning with a custom TwiG-GRPO method.

Why it matters: interleaved “thinking” can improve details, coherence, and transparency of how images are built.

Paper: https://arxiv.org/abs/2511.16671v1

Code: https://github.com/ZiyuGuo99/Thinking-while-Generating

Paper: https://arxiv.org/abs/2511.16671v1

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