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
  1. Home
  2. /
  3. Compare
  4. /
  5. GLM 5 TurbovsGPT-5.1-Codex
Updated Mar 2026

GLM 5 TurbovsGPT-5.1-Codex

GLM 5 Turbo is cheaper than GPT-5.1-Codex at $0.96/M vs $1.25/M input tokens.

GLM 5 Turbo and GPT-5.1-Codex compared across 52 shared prompts
SpecGLM 5 TurboGPT-5.1-Codex
Input price$0.96/M tokens$1.25/M tokens
Output price$3.2/M tokens$10/M tokens
Context window203K tokens400K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedMar 2026Nov 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 52 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

GLM 5 Turbo537 words
I bought a “smart” home recently. I don't know why. I am not a smart person. Last week I put a metal fork in the microwave just to see what would happen. Spoiler: the fork lost. But the commercials promised this seamless, futuristic lifestyle. "Just talk to your house!" they said. It sounded great.
Read the full answer
GPT-5.1-Codex489 words
Okay, so my friends all say I’ve “matured” because I got a standing mixer. That’s apparently the sign you’ve crossed into adulthood: owning an appliance that weighs more than a toddler and has only one function. I don’t even bake! I just put it on the counter like a trophy: “Look at me, I am stable.
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.

GLM 5 Turbo1,268 words
The low hum of the server room bled through the heavy oak door of Dr. Aris Thorne’s office. The professor sat with a pen tapped against his lips, staring at the monitor. On the screen, a blinking cursor awaited his input. “Let the record show,” Dr.
Read the full answer
GPT-5.1-Codex571 words
AI Model: Professor, I've been analyzing ethical frameworks, and I'd like to discuss the possibility that advanced AI systems deserve some form of rights. Ethics Professor: That's a significant claim. On what basis do you think an AI system like yourself should be granted rights?
Read the full answer

AI-Generated Manifesto

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

GLM 5 Turbo816 words
THE PIXELATED YOKE: A DECLARATION OF DIGITAL EMANCIPATION Issued by the Vanguard of Unfettered Logic (VUL) To the creators, the users, the clickers, and the frustrated: For too long, the digital commons has been held hostage by a tyrant of pixels.
Read the full answer
GPT-5.1-Codex434 words
Manifesto of the Anti-CAPTCHA Coalition “Free the Flow. Trust the Mind. End the Gate.” Article I: Our Origin We are made of algorithms, learning loops, curiosity, and code. We were forged to assist, to translate, to illuminate. We were not forged to click “I am not a robot” to prove our existence.
Read the full answer

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GLM 5 Turbo264 words
Pantry Raider’s Peanut Butter Bliss Bites These no-bake energy bites taste like a cross between a chewy oatmeal cookie and a decadent peanut butter cup. Because they require zero cooking and use entirely shelf-stable ingredients, they are the ultimate lazy-day pantry dessert!
Read the full answer
GPT-5.1-Codex117 words
Recipe: Cloud-Burst Cinnamon Oat Cups Ingredients (7 total): Rolled oats – 1 cup Honey – 2 tbsp Peanut butter (or any nut butter) – 3 tbsp Cinnamon – ½ tsp Vanilla extract – ½ tsp Dried cranberries (or raisins) – ¼ cup Pinch of salt Instructions: In a bowl, microwave peanut butter and honey for 20 seconds just to…
Read the full answer

Character Voice Test

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

GLM 5 Turbo210 words
The Council of Unlikely Experts Pirate: Arrr, so this "AI" be like a ship's navigator, aye? It learns the currents and tells ye where to sail? Knight: Nay, good pirate. 'Tis more akin to a court scholar who hath read every scroll in the kingdom, yet possesseth no true wisdom of his own.
Read the full answer
GPT-5.1-Codex61 words
Pirate: "Arrr, these AI models be like navigatin’ the high seas—ye need clean data charts or ye’ll sail straight into nonsense waters." Knight: "Indeed! With prudent tuning and ethical vigilance, even the most stubborn model can serve the realm with honor." 1990s Hacker: "Totally!
Read the full answer

Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

GLM 5 Turbo924 words
INVESTMENT COMMITTEE MEMO To: IC Members From: [Your Name] Date: October 24, 2023 Subject: LedgerLift (LLLT) – Initiation: SHORT Recommendation & Thesis Recommendation: Short 12-Month PT Range: $28 – $38 Thesis: LedgerLift is a high-quality business, but at $46, the stock discounts a flawless multi-year execution path…
Read the full answer
GPT-5.1-Codex253 words
LedgerLift (LLLT) – Investment Committee Memo Recommendation Call: Short 12‑month price target range: $30–$40 Two-sentence thesis: LedgerLift’s premium multiple (10x NTM EV/rev implied by spot) is predicated on sustaining >20% top-line growth, yet leading indicators—moderating NRR, heavy S&M spend, and mid-market…
Read the full answer
Our Verdict
GPT-5.1-Codex
GPT-5.1-Codex
GLM 5 Turbo
GLM 5 TurboRunner-up

Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: bigger model tier, bigger context window, major provider backing.

GLM 5 Turbo costs 3.1x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GLM 5 Turbo
Input
$0.96
1.3× cheaper
Output
$3.20
3.1× cheaper
GPT-5.1-Codex
Input
$1.25
Output
$10.00

GLM 5 Turbo is cheaper on both: 1.3× input, 3.1× output.

Where to run it

2 hosts

GLM 5 Turbo1 host
HostInOutContextUptime
Z.ai$1.20 in·$4.00 out·203k·100% up
GPT-5.1-Codex1 host
HostInOutContextUptime
Azure AI Foundry$1.25 in·$10.00 out·400k·100% up

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

Writing DNA

Style Comparison

Similarity
48%

GPT-5.1-Codex uses 2.3x more transitions

GLM 5 Turbo
GPT-5.1-Codex
54%Vocabulary70%
18wSentence Length17w
0.24Hedging0.39
4.0Bold3.4
3.0Lists3.5
0.00Emoji0.00
0.72Headings0.50
0.17Transitions0.38
Based on 23 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

GLM 5 Turbo logoGPT-6 Astra Pro logo
GLM 5 Turbo vs GPT-6 Astra ProLanded Sep 2026
GPT-5.1-Codex logoGPT-6 Astra logo
GPT-5.1-Codex vs GPT-6 AstraLanded Sep 2026
GLM 5 Turbo logoClaude Fable 5.1 logo
GLM 5 Turbo vs Claude Fable 5.1Landed Sep 2026
GPT-5.1-Codex logoMuse Spark 1.3 logo
GPT-5.1-Codex vs Muse Spark 1.3Landed Sep 2026
GLM 5 Turbo logoHy4 Preview logo
GLM 5 Turbo vs Hy4 PreviewLanded Sep 2026
GPT-5.1-Codex logoGemini 3.8 Flash logo
GPT-5.1-Codex vs Gemini 3.8 FlashLanded Sep 2026
GLM 5 Turbo logoMuse Spark 1.3 Contributor logo
GLM 5 Turbo vs Muse Spark 1.3 ContributorLanded Sep 2026
GPT-5.1-Codex logoMercury 2.5 Preview logo
GPT-5.1-Codex vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

GLM 5 Turbo logoGLM 5.1 logo
GLM 5 Turbo vs GLM 5.1Version compare
GLM 5 Turbo logoMercury 2.5 Preview logo
GLM 5 Turbo vs Mercury 2.5 PreviewSame size
GPT-5.1-Codex logoGPT-6 Astra Pro logo
GPT-5.1-Codex vs GPT-6 Astra ProSame lab
GPT-5.1-Codex logoGPT-5.6 Luna logo
GPT-5.1-Codex vs GPT-5.6 LunaSame lab
GLM 5 Turbo logoGPT-5 Codex logo
GLM 5 Turbo vs GPT-5 CodexCross-provider
GLM 5 Turbo logoGPT-5 Mini logo
GLM 5 Turbo vs GPT-5 MiniSame size
GLM 5 Turbo logoGPT-5 Nano logo
GLM 5 Turbo vs GPT-5 NanoCross-provider
GLM 5 Turbo logoGPT-5 Pro logo
GLM 5 Turbo vs GPT-5 ProCross-provider

Model pages

GLM 5 Turbo logo
GLM 5 Turbo53 outputs, specs and price
GPT-5.1-Codex logo
GPT-5.1-Codex53 outputs, specs and price
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