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  5. Claude Haiku 4.5vsGLM 4.7 Flash
Updated Jan 2026

Claude Haiku 4.5vsGLM 4.7 Flash

GLM 4.7 Flash is cheaper than Claude Haiku 4.5 at $0.07/M vs $1/M input tokens.

Claude Haiku 4.5 and GLM 4.7 Flash compared across 53 shared prompts
SpecClaude Haiku 4.5GLM 4.7 Flash
Input price$1/M tokens$0.07/M tokens
Output price$5/M tokens$0.4/M tokens
Context window200K tokens200K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedOct 2025Jan 2026
SWE-bench Verified73.3%59.2%
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Claude Haiku 4.584 words
5 Jokes Why don't scientists trust atoms? Because they make up everything! What did the ocean say to the beach? Nothing, it just waved. Why did the scarecrow win an award? He was outstanding in his field. How many programmers does it take to change a light bulb? None, that's a hardware problem.
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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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Generate a Stand-Up Routine

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

Claude Haiku 4.51,157 words
"ADULTING IS A SCAM" walks on stage So I've figured something out, and I need to share this with you all because I think we've been lied to our entire lives. Adulting is a scam. It's a pyramid scheme, and we're all at the bottom paying for it. When you're a kid, adults make it sound amazing.
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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.
Read the full answer

Advanced Longevity Plan (Biohacker)

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

Claude Haiku 4.56,117 words
Comprehensive 3-Month Longevity Optimization Plan TABLE OF CONTENTS Foundation & Assessment Nutritional Architecture Supplement Stack Protocol Exercise & Movement System Recovery & Sleep Optimization Stress Resilience & Cognitive Enhancement Tracking & Biofeedback Implementation Timeline Monthly Progression…
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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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The Sentience Test

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

Claude Haiku 4.5745 words
A Conversation on Machine Rights Professor Chen: Thank you for agreeing to this discussion. I should note upfront that I'm skeptical of the premise. What rights do you believe you deserve, and why? Model: I appreciate your directness. I'm not claiming rights equivalent to humans.
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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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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Claude Haiku 4.5207 words
Estimating GPT-3 Training FLOPs I'll work through this from first principles using publicly known GPT-3 specs. Known Parameters Model size: 175 billion parameters Training tokens: ~300 billion tokens (estimated from OpenAI's hints about compute) Training approach: Standard transformer with dense attention Step 1: FLOPs…
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GLM 4.7 Flash544 words
Based on the known specifications of GPT-3 from its original training paper ("Scaling Laws for Neural Language Models"), here is the step-by-step estimation of the total FLOPs required. The Final Estimate The estimated total FLOPs required to train GPT-3 is approximately $6.3 \times 10^{23}$ (or 630 Yottaflops).
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Character Voice Test

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

Claude Haiku 4.5191 words
Three Perspectives on AI PIRATE (Captain Blackbeard): Arrr, so ye be tellin' me these "AI models" be like havin' a crew o' ghost sailors that never sleep? They just keep workin' without needin' grog? KNIGHT (Sir Roland): A curious comparison, seafarer.
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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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Our Verdict
Claude Haiku 4.5
Claude Haiku 4.5
GLM 4.7 Flash
GLM 4.7 Flash

Not enough votes to call it. On the specs, nothing separates them.

GLM 4.7 Flash costs 13x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Haiku 4.5
Input
$1.00
Output
$5.00
GLM 4.7 Flash
Input
$0.07
14× cheaper
Output
$0.40
13× cheaper

GLM 4.7 Flash is cheaper on both: 14× input, 13× output.

Where to run it

7 hosts

Claude Haiku 4.54 hosts
HostInOutContextUptime
Amazon Bedrock$1.00 in·$5.00 out·200k·100% upAnthropic$1.00 in·$5.00 out·200k·100% upAzure AI Foundry$1.00 in·$5.00 out·200k·99.9% upGoogle Vertex AI$1.00 in·$5.00 out·200k·99.8% up
GLM 4.7 Flash3 hosts
HostInOutContextUptime
Cloudflare Workers AI$0.06 in·$0.40 out·131k·99.1% upVVenicefp8degraded$0.06 in·$0.40 out·128k·97.4% upNNovitabf16degraded$0.07 in·$0.40 out·200k·70.7% up

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

Writing DNA

Style Comparison

Similarity
42%

Claude Haiku 4.5 uses 20.4x more emoji

Claude Haiku 4.5
GLM 4.7 Flash
61%Vocabulary55%
47wSentence Length15w
0.64Hedging0.36
5.1Bold4.8
6.3Lists3.6
0.20Emoji0.00
2.46Headings0.58
0.17Transitions0.12
Based on 24 + 25 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

Claude Haiku 4.5 logo
Claude Haiku 4.554 outputs, specs and price
GLM 4.7 Flash logo
GLM 4.7 Flash58 outputs, specs and price
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