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Chat model · Zhipu AI

GLM 5.3 FlashNew

Included in Pro · came out August 2026

Quick help with everyday questions and photos

GLM 5.3 Flash is the lighter, quicker version of GLM 5.3 from Zhipu AI. It thinks before it answers, understands photos, and suits the small questions of the day.

Chat with GLM 5.3 Flash

GLM 5.3 Flash in numbers

What you can give it

  • Your wordsYes
  • PhotosYes
  • PDFs and filesNot this one
  • The webNot this one

Real answers

See how GLM 5.3 Flash answers

We asked it the same everyday questions as every other model in chatmodel, one try each. This is exactly what came back.

My neighbour watered my plants for two weeks while I was away. Write a short, warm thank-you note I can leave with a small gift. Keep it under 80 words.

Dear [Neighbour's name],

Thank you so much for keeping my plants alive while I was away! Coming home to happy, healthy greenery instead of a windowsill of casualties was such a relief — and such a kindness. I really appreciate you taking the time. Please enjoy this little something as a thank-you; it's small, but my gratitude isn't.

Warmly, [Your name]

(62 words — feel free to swap in specifics, like the plant's name or the gift, to make it even more personal!)

Answered in about 33 seconds · 83 words

Ask it yourself

The GLM family in chatmodel

GLM 5.3 Flash is the newest one. Ordered by release date.

  1. February 2026GLM 5
  2. April 2026GLM 5.1
  3. June 2026GLM 5.2
  4. August 2026NewGLM 5.3
  5. August 2026NewestGLM 5.3 FlashYou're here

What it's good for

Try it with one of these

Press “Try this” and chatmodel opens with GLM 5.3 Flash selected and the message already written. Change any word you like.

Dinner from my fridge

“I'm sending a photo of my fridge. Suggest two simple dinners I can make tonight with what's there, in under 30 minutes, with short steps.”

Try this

Translate a sign

“I'm on holiday and I'm sending a photo of a sign at a train station. Tell me what it says in plain English and whether it affects my trip.”

Try this

Compare two products

“I'm sending a photo of two olive oils on a supermarket shelf. Tell me the difference from what's on the labels and which one suits salads better.”

Try this

Fix a formula

“This spreadsheet formula shows an error: =SUM(B2:B10)/COUNT(C2:C10). I want the average of column B. Tell me what's wrong and give me the right formula.”

Try this

In plain words

GLM 5.3 Flash is the lighter, quicker version of GLM 5.3, made by Zhipu AI. It’s meant for everyday questions where you want a clear answer without much waiting.

It thinks before it answers and understands photos, which its bigger sibling GLM 5.3 doesn’t in chatmodel. It doesn’t read PDF files or search the web.

How to get the most out of it

  1. Snap a photo instead of typing. A fridge shelf or a sign says more than a description.
  2. Keep it to one question. Quick models do best with short, clear asks.
  3. Say the limits. “Under 30 minutes”, “vegetarian”, “two sentences”.
  4. Switch up for big jobs. For a long plan, move to GLM 5.3.

How it compares with the rest of the family

GLM 5.3 is the full model of the same version: more capable, text only. GLM 5.2 is the fuller model that also reads photos. GLM 5 and GLM 5.1 are the ones for PDFs.

When to pick another model

For weekly meal ideas, our weekly meal plan guide has messages ready to copy. For longer translations, the Translate tool is quicker. For recent information, choose GPT 5.5.

Other models worth a look

GLM 5.3

Zhipu AI

Read the guide

GLM 5.2

Zhipu AI

Read the guide

GLM 5.1

Zhipu AI

Read the guide

Frequently asked questions

What's the difference between GLM 5.3 and GLM 5.3 Flash?

They're the same version. Flash is lighter and quicker for everyday questions, and it understands photos. GLM 5.3 is more capable but works with text only.

Can it read photos?

Yes. You can send a picture and ask about it.

Can it read PDFs?

Not in chatmodel. For documents, try GLM 5.1.

Can GLM 5.3 Flash search the web?

Not in chatmodel. For recent information, pick a model that can, like GPT 5.5.

All of these models, in one place

Chat, images, video and tools with the best AI models. Switch between them whenever you want.

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