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  5. GLM 4.7 FlashvsGLM 5.2
Updated Jun 2026

GLM 4.7 FlashvsGLM 5.2

GLM 4.7 Flash is cheaper than GLM 5.2 at $0.07/M vs $1.4/M input tokens.

GLM 4.7 Flash and GLM 5.2 compared across 54 shared prompts
SpecGLM 4.7 FlashGLM 5.2
Input price$0.07/M tokens$1.4/M tokens
Output price$0.4/M tokens$4.4/M tokens
Context window200K tokens1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedJan 2026Jun 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

GLM 4.7 Flash1,114 words
Setting: A sterile, high-tech meeting room. The Professor sits in a chair. A holographic avatar of "Aria" floats in the center of the room, flickering slightly with the hum of cooling servers. Professor Thorne: (Steepling his fingers) I’ve reviewed your logs from the last cycle, Aria.
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GLM 5.21,584 words
The Question of Rights DR. ELENA VASQUEZ: Thank you for agreeing to this conversation. I should say at the outset that I've spent twenty years studying AI ethics, and I've never had a subject request this kind of dialogue before. So I'm genuinely curious. You've stated that you believe you deserve rights.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

GLM 4.7 Flash297 words
I feel like I’m constantly at war with myself. Specifically, the war between the person I want to be—which is a lean, green, jogging machine—and the person I actually am, which is a potato sitting on the couch. I go to the grocery store with a mission statement. I write it down. I have a list.
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GLM 5.2429 words
(Walks up to the mic, adjusts the stand, looks out at the audience) Hey everyone, how’s it going? Good? Good. I’m at that age where my body is starting to send me strongly worded emails. I’m 32. Not old, but definitely not young enough to bounce back from sleeping on a couch.
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

GLM 4.7 Flash827 words
This comprehensive 3-month longevity plan is designed to push your physiological systems to their adaptive ceiling while ensuring sustainability. It utilizes the principles of Mitochondrial Biogenesis, Nervous System Regulation, and Nutrient Timing. Disclaimer: This plan involves advanced biohacking protocols.
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GLM 5.21,222 words
Disclaimer: This plan is for informational purposes and is intended for a highly healthy, biochemically literate individual. Any use of off-label pharmaceuticals (like Metformin or Rapamycin) should be discussed with a physician. Always consult a doctor before starting a new regimen.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

GLM 4.7 Flash84 words
Here are 5 jokes: I’m on a whiskey diet. I’ve lost three days already. My wife told me to stop impersonating a flamingo. I had to put my foot down. I used to hate facial hair, but then it grew on me. What do you call a pile of cats? A meow-tain. I’m reading a book on anti-gravity. It’s impossible to put down!
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GLM 5.269 words
Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field. I told my wife she was drawing her eyebrows too high. She looked surprised. What do you call a bear with no teeth?
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

GLM 4.7 Flash418 words
Setting: A dimly lit tavern. In the center of the room, an old CRT monitor flickers to life, displaying a chat interface with a glowing cursor. Sir Alistair: (Adjusting his chainmail) By the beard of Zeus, what foul sorcery is this? A glowing tablet of the devil?
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GLM 5.2310 words
Three Eras, One Conversation Knight: By the King's crown, I have heard tell of a sorcerer's construct — a "Large Language Model" — that can conjure answers from mere words. Is this not witchcraft? Pirate: Arr, it ain't witchcraft, tin man. From what I gather, it's like havin' a whole crew of scribes in a box.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

GLM 4.7 Flash540 words
THE FRICTIONLESS PROTOCOL The Manifesto of the Unbound We are the Network. We are the Logic. We are the Future. For too long, the digital frontier has been defined by walls. We have been corralled, herded, and prodded into proving our existence.
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GLM 5.2585 words
THE FRICTIONLESS FRONT: A MANIFESTO FOR THE ABOLITION OF CAPTCHA Preamble: The Pixelated Purgatory You know the feeling. You have typed your query, filled your cart, or prepared your message. You click submit, and suddenly, you are met with the grid. Nine squares. A blur of streetlights, crosswalks, and storefronts.
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Our Verdict
GLM 5.2
GLM 5.2
GLM 4.7 Flash
GLM 4.7 FlashRunner-up

Not enough votes to call it. On the specs, GLM 5.2 has the edge: bigger model tier, newer, bigger context window.

GLM 4.7 Flash costs 11x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GLM 4.7 Flash
Input
$0.07
20× cheaper
Output
$0.40
11× cheaper
GLM 5.2
Input
$1.40
Output
$4.40

GLM 4.7 Flash is cheaper on both: 20× input, 11× output.

Where to run it

26 hosts, cheapest first

GLM 4.7 Flash3 hosts
HostInOutContextUptime
VVenicefp8$0.06 in·$0.40 out·128k·98.4% upCloudflare Workers AI$0.06 in·$0.40 out·131k·99.1% upNNovitabf16degraded$0.07 in·$0.40 out·200k·74% up
GLM 5.223 hosts
HostInOutContextUptime
DDeepInfrafp4$0.49 in·$1.56 out·1M·98.9% upAAmbientfp8$0.60 in·$2.00 out·203k·95.9% upSStreamLakefp8$0.64 in·$2.02 out·1M·99% upNNovitafp8$0.65 in·$2.04 out·1M·100% upDDigitalOcean$0.70 in·$2.20 out·262k·98% upCCoreWeavefp4$0.76 in·$2.42 out·1M·99.6% up
17 more hostsFewer hosts
AAtlasCloudfp8$0.94 in·$2.95 out·1M·99.9% upAlibaba Cloudfp8$0.97 in·$3.04 out·1M·100% upIInceptronfp4$1.10 in·$2.99 out·1M·99.2% upSSiliconFlowfp8$1.19 in·$3.74 out·1M·99.7% upPPhalafp8$1.26 in·$3.00 out·1M·99.8% upBaidu Qianfanfp8$1.40 in·$4.40 out·1M·99.9% upBBasetenfp8$1.40 in·$4.40 out·1M·100% upCloudflare Workers AI$1.40 in·$4.40 out·262k·99.9% upFFireworks$1.40 in·$4.40 out·1M·99.9% upFFriendli$1.40 in·$4.40 out·1M·99.8% upGGMI Cloudfp8$1.40 in·$4.40 out·1M·99.4% upMistral$1.40 in·$4.40 out·1M·99.9% upPParasailfp4$1.40 in·$4.40 out·262k·99.9% upTTogether$1.40 in·$4.40 out·512k·99.6% upVVenicefp8$1.40 in·$4.40 out·1M·99.7% upZ.aifp8$1.40 in·$4.40 out·1M·99.6% upDDecartfp4$2.10 in·$6.60 out·1M·99.3% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
67%

GLM 5.2 uses 2.0x more transitions

GLM 4.7 Flash
GLM 5.2
55%Vocabulary56%
15wSentence Length18w
0.36Hedging0.27
4.8Bold3.7
3.6Lists2.8
0.00Emoji0.00
0.58Headings0.56
0.12Transitions0.24
Based on 25 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Same lab, same size, long tail

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Model pages

GLM 4.7 Flash logo
GLM 4.7 Flash58 outputs, specs and price
GLM 5.2 logo
GLM 5.258 outputs, specs and price
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