What is the difference between GLM 5.3 and GPT-5 Mini?

GLM 5.3 is developed by Zhipu AI while GPT-5 Mini is developed by OpenAI. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

Which is better, GLM 5.3 or GPT-5 Mini?

It depends on your use case. GLM 5.3 and GPT-5 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

How much does GLM 5.3 cost compared to GPT-5 Mini?

GLM 5.3 costs $0.6538/M input tokens and GPT-5 Mini costs $0.25/M input tokens. GPT-5 Mini is $0.40/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GLM 5.3 and GPT-5 Mini on Rival?

This page shows a side-by-side comparison of GLM 5.3 and GPT-5 Mini across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Aug 2026

GLM 5.3vsGPT-5 Mini

GPT-5 Mini is cheaper than GLM 5.3 at $0.25/M vs $0.6538/M input tokens.

GLM 5.3 and GPT-5 Mini compared across 13 shared prompts
Spec	GLM 5.3	GPT-5 Mini
Input price	$0.6538/M tokens	$0.25/M tokens
Output price	$2.0548/M tokens	$2/M tokens
Context window	1.3M tokens	—
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Aug 2026	Aug 2025

Side by side

Same prompt, both answers

Opening lines from 3 of the 13 prompts both answered. Formatting stripped, words untouched.

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

GLM 5.3415 words

1-Month Beginner Health & Longevity Plan Week 1: Foundation & Awareness Goal: Establish baselines, not perfection 🥗 Diet Track what you currently eat for 3 days (no judging—just observe) Drink a glass of water upon waking each morning Add ONE vegetable to one meal daily 🏃 Exercise Walk 15 minutes daily (any pace, any…

Read the full answer

GPT-5 Mini1,224 words

Great — here’s a simple, practical 1-month starter plan focused on three high-impact areas for health and longevity: Diet, Exercise (movement + strength), and Sleep. The plan is beginner-friendly, progressive, and designed to build lasting habits.

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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 5.3210 words

Golden Pantry Fried Rice Total Time: 20 minutes (5 min prep, 15 min cook) Ingredients (7 pantry staples) Cooked white rice (day-old is best) Eggs Soy sauce Garlic (minced or garlic powder) Frozen peas and carrots Canned corn Vegetable oil Instructions Prep (5 min): Break up cold rice with a fork. Drain the corn.

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GPT-5 Mini255 words

Sunfire Chickpea Skillet Yields: 3–4 servings Prep time: 8 minutes Cook time: 15–20 minutes Total time: ~25–28 minutes Ingredients (7 pantry staples) 2 tbsp olive oil 1 medium onion, diced 3 cloves garlic, minced 1 tsp smoked paprika (or regular paprika) 2 (15 oz) cans chickpeas, drained and rinsed 1 (15 oz) can diced…

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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 5.3851 words

3-Month Advanced Longevity & Performance Optimization Protocol Note: This is an educational framework. Get baseline bloodwork and consult a physician before starting supplements/fasting, especially with any medical conditions or medications.

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GPT-5 Mini626 words

Important safety first: this plan is informational and ambitious. Before starting, get medical clearance (especially if you have chronic illness, take medications, are pregnant/breastfeeding, or are >65).

Read the full answer

Our Verdict

GLM 5.3

GPT-5 MiniRunner-up

Not enough votes to call it. On the specs, GLM 5.3 has the edge: bigger model tier, newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GLM 5.3

Input

$0.65

Output

$2.05

GPT-5 Mini

Input

$0.25

2.6× cheaper

Output

$2.00

GPT-5 Mini is cheaper on both: 2.6× input.

Where to run it

32 hosts, cheapest first

GLM 5.330 hosts

HostInOutContextUptime

Baidu Qianfanfp8$0.65 in$2.05 out1M99.8% up Rekafp8$0.76 in$2.57 out262k99.3% up Novitafp8$0.78 in$2.46 out1M99.9% up io.netfp8$0.82 in$2.77 out262k99.7% up Phala$0.84 in$2.64 out1M99.5% up Morph$0.86 in$2.69 out1M99.8% up

24 more hosts

DeepInfrafp4$0.90 in$3.00 out1M98% up InferenceNetfp4$0.90 in$3.00 out1M97.9% up DigitalOcean$0.91 in$2.86 out1M99.7% up Inceptronfp4$1.01 in$3.29 out1M99.3% up Sail Researchfp8$1.02 in$3.29 out1M99.9% up GMI Cloudfp8$1.05 in$3.30 out1M99.5% up Makorafp4$1.05 in$4.20 out980k97.8% up SiliconFlowfp8$1.12 in$3.52 out1M99.7% up Alibaba Cloud$1.19 in$3.74 out1M100% up Decartfp4$1.19 in$3.74 out1M99.1% up Friendli$1.26 in$3.96 out1M100% up AkashMLfp8$1.30 in$4.40 out1M100% up AtlasCloudfp8$1.40 in$4.40 out1M99.5% up Basetenfp4$1.40 in$4.40 out1M99.6% up Cloudflare Workers AI$1.40 in$4.40 out1.3M99.9% up Crusoefp4$1.40 in$4.40 out1M98.2% up Fireworks$1.40 in$4.40 out1M99.6% up Mistralnvfp4$1.40 in$4.40 out1M99.8% up Modal$1.40 in$4.40 out1M99% up Together$1.40 in$4.40 out1M98.2% up Venice$1.40 in$4.40 out1M98.9% up Wafer$1.40 in$4.40 out1M99.9% up Z.aifp8$1.40 in$4.40 out1M99.9% up Parasailfp8degraded$1.40 in$4.40 out1M99.2% up

GPT-5 Mini2 hosts

HostInOutContextUptime

Azure AI Foundry$0.25 in$2.00 out400k100% up OpenAI$0.25 in$2.00 out400k100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

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