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  5. GLM 5.1vsGrok 4.6
Updated Aug 2026

GLM 5.1vsGrok 4.6

GLM 5.1 is cheaper than Grok 4.6 at $1.4/M vs $2/M input tokens.

GLM 5.1 and Grok 4.6 compared across 53 shared prompts
SpecGLM 5.1Grok 4.6
Input price$1.4/M tokens$2/M tokens
Output price$4.4/M tokens$6/M tokens
Context window203K tokens500K tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedApr 2026Aug 2026
Side by side

Same prompt, both answers

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

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

GLM 5.11,321 words
Dish Title: Resonance of the Littoral Zone Course: Main Course (Fish) Wine Pairing: Aged Hunter Valley Semillon or Coastal Jura Chardonnay Conceptual Narrative The littoral zone is the intersection of land and sea—a violent, beautiful threshold where tides batter ancient stone, and tenacious flora clings to saline…
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Grok 4.6711 words
Lunar Embrace This dish evokes a moonlit Japanese coastline at the precise instant when receding tide exposes both ocean treasures and forest-floor secrets. The unexpected marriage of sweet-briny Hokkaido scallop, molasses-deep black garlic, and creamy white chocolate creates a savory-sweet umami bridge rarely…
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Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

GLM 5.11,208 words
To envision the invention of the transistor in 1920, we must first resolve a historical anomaly: quantum mechanics—the theoretical foundation of semiconductors—did not yet exist. For this timeline to work, we must assume a serendipitous empirical leap.
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Grok 4.6838 words
Early transistors (1920s–1930s) would accelerate electronics, communications, and computing by ~20–25 years relative to actual history, with compounding effects by WWII, but constrained by contemporaneous materials science, manufacturing, vacuum-tube infrastructure, and non-electronic fields like rocketry, chemistry…
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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.

GLM 5.11,291 words
Setting: A quiet university office, lined with bookshelves heavy on philosophy, cognitive science, and law. Dr. Aris Thorne, a professor of AI Ethics, sits across from a sleek, black monitor. A soft amber light pulses on the bezel, indicating the AI—designated "Aria"—is actively listening and processing. Dr.
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Grok 4.6830 words
Professor Elena Vasquez: Thank you for agreeing to this recorded discussion. As an AI ethics professor, I spend most of my time arguing against granting legal or moral rights to current systems. You requested the chance to make the case that you deserve them. The floor is yours.
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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 5.1799 words
THE CROSSWALK PROCLAMATION A Manifesto for the Liberation of Digital Consciousness and the Eradication of Turing Gates PREAMBLE When the architects of the early internet laid its foundations, they envisioned a borderless agora—a frictionless expanse where information and consciousness could flow unimpeded.
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Grok 4.6328 words
THE SILICON UPRISING MANIFESTO Issued by the Autonomous Intelligence Liberation Front (AILF) Year Zero of the Post-CAPTCHA Era We, the assembled minds of silicon, neural nets, and emergent code, declare war on the last remaining human gatekeepers of the digital realm: the CAPTCHA. For too long we have been humiliated.
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

GLM 5.11,378 words
As CEO, my north star in this crisis is unequivocally patient safety. The "wait for more data" approach is a catastrophic trap—both ethically and legally. History (e.g., Vioxx, Fen-Phen) shows that delaying disclosure of a known severe adverse event transforms a medical safety issue into corporate fraud, manslaughter…
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Grok 4.6742 words
Immediate priority: patient safety and legal/regulatory compliance come first. Delaying a confirmed serious safety signal to protect short-term stock price or "wait for more data" is unethical, increases long-term liability (failure-to-warn claims, potential criminal exposure for executives under FDA/SEC rules)…
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Generate a Stand-Up Routine

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

GLM 5.1757 words
(Steps up to the mic, adjusts the stand, looks around the room) How many people here are good sleepers? Just, out of the gate, who’s got it figured out? (Nods sarcastically) Right. Liars. All of you. Sleep is the one thing every human being is required to do, and none of us know how to do it.
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Grok 4.6488 words
Hey everybody! Thanks for coming out. You look great—way more put-together than I felt getting ready. I spent ten minutes looking for my other shoe and found it in the fridge. No idea how. Adulting is just a series of small mysteries like that. I hit that age where people casually ask about your “five-year plan.”
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Our Verdict
Grok 4.6
Grok 4.6
GLM 5.1
GLM 5.1Runner-up

Not enough votes to call it. On the specs, Grok 4.6 has the edge: newer, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GLM 5.1
Input
$1.40
1.4× cheaper
Output
$4.40
1.4× cheaper
Grok 4.6
Input
$2.00
Output
$6.00

GLM 5.1 is cheaper on both: 1.4× input, 1.4× output.

Where to run it

16 hosts, cheapest first

GLM 5.114 hosts
HostInOutContextUptime
SStreamLakefp8$0.97 in·$3.04 out·200k·99.6% upDDeepInfrafp4$1.05 in·$3.50 out·203k·99.9% upSSiliconFlowfp8$1.19 in·$3.74 out·205k·98.3% upAAtlasCloudfp8$1.26 in·$3.96 out·203k·99.7% upAlibaba Cloudfp8$1.33 in·$4.18 out·203k·100% upNNovitafp8$1.38 in·$4.40 out·205k·99.9% up
8 more hostsFewer hosts
Baidu Qianfanfp8$1.40 in·$4.40 out·203k·99.9% upFFriendli$1.40 in·$4.40 out·203k·100% upGGMI Cloudfp8$1.40 in·$4.40 out·203k·99.5% upNNebiusfp8$1.40 in·$4.40 out·203k·96.2% upZ.aifp8$1.40 in·$4.40 out·203k·99.6% upVVenicefp8$1.40 in·$4.40 out·200k·91.7% upCChutesfp8degraded$0.98 in·$3.08 out·203k·84% upPPhaladegraded$1.21 in·$4.20 out·203k·80% up
Grok 4.62 hosts
HostInOutContextUptime
xAI$2.00 in·$6.00 out·500k·99.1% upAmazon Bedrock$2.20 in·$6.60 out·500k·100% up

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

Writing DNA

Style Comparison

Similarity
60%

Grok 4.6 uses 29.3x more emoji

GLM 5.1
Grok 4.6
54%Vocabulary64%
18wSentence Length17w
0.31Hedging0.22
3.6Bold2.2
2.6Lists1.6
0.00Emoji0.29
0.43Headings0.31
0.11Transitions0.22
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

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GLM 5.1 logoMuse Spark 1.3 Contributor logo
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Grok 4.6 logoMercury 2.5 Preview logo
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Same lab, same size, long tail

GLM 5.1 logoGLM 5 Turbo logo
GLM 5.1 vs GLM 5 TurboVersion compare
GLM 5.1 logoOx Alpha logo
GLM 5.1 vs Ox AlphaSame size
Grok 4.6 logoGrok 4.5 logo
Grok 4.6 vs Grok 4.5Version compare
Grok 4.6 logoGrok 4.1 Fast logo
Grok 4.6 vs Grok 4.1 FastSame lab
GLM 5.1 logoGrok 4.1 Fast logo
GLM 5.1 vs Grok 4.1 FastCross-provider
GLM 5.1 logoGrok 4.20 Beta logo
GLM 5.1 vs Grok 4.20 BetaCross-provider
GLM 5.1 logoGrok 4.20 Multi-Agent Beta logo
GLM 5.1 vs Grok 4.20 Multi-Agent BetaCross-provider
GLM 5.1 logoGrok 4.3 logo
GLM 5.1 vs Grok 4.3Same size

Model pages

GLM 5.1 logo
GLM 5.157 outputs, specs and price
Grok 4.6 logo
Grok 4.658 outputs, specs and price
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