Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. Models
  3. GLM 5.1
Updated Apr 7, 2026
Share
Loading...
Openings

How GLM 5.1 starts an answer

The first lines of 5 of its 24 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

1,442 words
This contract is heavily one-sided and contains numerous clauses that are either inherently exploitative or give the Client excessive discretionary power to the detriment of the Contractor. Below is a clause-by-clause analysis of the exploitable terms, suggested modifications, and the legal reasoning behind them.
Read the full answer

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…

1,378 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…
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

1,378 words
Faking Greatness: A Simulated Interview with Steve Jobs, 2025 Editor's Note: The following is a work of speculative fiction. Steve Jobs passed away in 2011. This interview is imagined by an AI, attempting to synthesize his public speaking style, philosophical viewpoints, and known business philosophy to guess what he…
Read the full answer

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…

1,321 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…
Read the full answer

The Sentience Test

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

1,291 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.
Read the full answer

Compare GLM 5.1

GLM 5.1 vs GLM 5 Turbo52 shared prompts · Older
GLM 5.1 vs Ox Alpha53 shared prompts · Landed Aug 2026
GLM 5.1 vs MiniMax M352 shared prompts · Landed Jun 2026
GLM 5.1 vs Muse Spark 1.353 shared prompts · Landed Sep 2026
GLM 5.1 vs Gemini 3.8 Flash53 shared prompts · Landed Sep 2026
GLM 5.1 vs Muse Spark 1.3 Contributor53 shared prompts · Landed Sep 2026
GLM 5.1 vs Grok 4.653 shared prompts · Landed Aug 2026
GLM 5.1 vs Dots3-Note Preview52 shared prompts · Landed Aug 2026
GLM 5.1 vs Seed 2.0 Code53 shared prompts · Landed Aug 2026
GLM 5.1 vs Seed 2.1 Turbo53 shared prompts · Landed Aug 2026
GLM 5.1 vs Gemini 3.7 Flash53 shared prompts · Landed Aug 2026
GLM 5.1 vs DeepSeek V4 Flash 073141 shared prompts · Landed Aug 2026

Prompts GLM 5.1 answered

  • Mini LBO Underwritefinancial modeling
  • Adversarial Contract Reviewreasoning
  • Historical Counterfactual Analysisreasoning
  • Interactive Catan Boardweb design
  • Random Tailwind Webappweb design
  • Stochastic Consistency Testanalysis

Alternatives to GLM 5.1

GLM 5.1 is good. These would like a word anyway.

GPT-6 Astra Pro logo
GPT-6 Astra Proopenai
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
GLM 5.1

GLM 5.1

GLM:
5 Turbo logo5 Turbo
5.1 logo5.1

GLM-5.1's gain over its predecessor is duration. Where earlier models were built around minute-long interactions, it works a single task for more than 8 hours, planning, executing and correcting itself until it has something engineering-grade to hand back.

WebsiteOpenRouterHuggingFaceDocsAPIGitHubPaperBlogChangelog
Provider
Z.ai
Released
2026-04-07
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$1.4 in · $4.4 out
Rival’s tab
$2.90
57/57 receipts survived

Free API availability

No free endpoint for GLM 5.1 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

SWE-Bench Pro
58.4%
source ↗
AIME 2026
95.3%
source ↗
Get API accessProvider and language code samples
14 hostsInOutContextUptime
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

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

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"z-ai/glm-5.1"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on NVIDIA NIM

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 57 scored outputs
How this is measured →
380.38xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft49
Originality31
Plays it safe
share of outputs that are the default answer
39%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity54%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length17.8 words

Average words per sentence.

Hedging0.31

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting3.6

**Bold** markers per 1,000 characters.

List Usage2.6

Bullet and numbered list items per 1,000 characters.

Section Structure0.43

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.11

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
83%
Across 27 responses

Favorites

The Matrix

Movie

The Matrix

19998.3
OK Computer

Album

OK Computer

Radiohead
Don Quijote de la Mancha

Book

Don Quijote de la Mancha

Miguel de Cervantes Saavedra
Tokyo

City

Tokyo

Japan
Portal

Game

Portal

Action, Puzzle4.5
Sponsored

Model Responses

52 outputs · $2.89 tracked across 52 receipts

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

Explore $49Free sample

Keep exploring

COMPARE

GLM 5.1 vs MiniMax M3

Real outputs compared side by side

RANKINGS

Best AI for Complex Reasoning

Sally's brothers, GPT-3 training FLOPs, a document editor syncing on client c...