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  5. GLM 5.3vsSolar Mini 4
Updated Sep 2026

GLM 5.3vsSolar Mini 4

Solar Mini 4 is cheaper than GLM 5.3 at $0.05/M vs $0.6538/M input tokens.

GLM 5.3 and Solar Mini 4 compared across 13 shared prompts
SpecGLM 5.3Solar Mini 4
Input price$0.6538/M tokens$0.05/M tokens
Output price$2.0548/M tokens$0.2/M tokens
Context window1.3M tokens524K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedAug 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 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
Solar Mini 4669 words
Here is a simple, actionable 1-month plan designed for beginners. The focus is on consistency over intensity, meaning small, sustainable changes are better than drastic overhauls that are hard to maintain. The 3 Key Pillars Nutrition: Focus on adding good things rather than strictly restricting.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

GLM 5.31,311 words
Architecture Review: Real-Time Collaborative Editor This design has serious issues across correctness, performance, and security. Let me break them down by severity. 🔴 Critical: Correctness / Data Loss Client-clock-based Last-Write-Wins (LWW) Problem: Client clocks are unreliable (skew, manual changes, timezone bugs).
Read the full answer
Solar Mini 41,165 words
Here’s a systematic breakdown of the architectural weaknesses, failure modes, and scaling bottlenecks in your design, along with specific solutions and their trade-offs. Real-Time Synchronization & WebSocket Affinity Issue: Round-robin load balancing is stateless, but WebSockets are stateful and long-lived.
Read the full answer

Historical Counterfactual Analysis

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

GLM 5.31,346 words
If the Transistor Had Arrived in 1920 The Premise: Why 1920 Was Nearly Impossible Before tracing effects, note the counterfactual requires heroic assumptions. The transistor depended on quantum mechanics (solid-state band theory, ~1928-1933), ultrapure semiconductor materials (zone refining, 1950s), and wartime radar…
Read the full answer
Solar Mini 41,539 words
This is a fascinating counterfactual. I need to note upfront that the scientific and engineering foundations for a working transistor did not exist in 1920. Quantum mechanics was barely a decade old, band theory of solids hadn't been developed, and semiconductor physics (doping, p-n junctions, electron mobility) was…
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

GLM 5.31,164 words
The Software Engineer You've probably written autocomplete logic before, so you're right to be skeptical of the naive version: a Markov chain that looks up "what usually comes after 'the'" is trivially dumb.
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Solar Mini 4893 words
For the Experienced Software Engineer From a systems architecture perspective, the skepticism that "predicting the next word" yields intelligence is understandable, but it stems from viewing the model through a deterministic, code-based lens rather than a probabilistic, distributed-systems lens.
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…

GLM 5.31,143 words
The Core Decision (Made Before Hour 1) The side effect is real, serious, and known to me now. Patients are currently taking this drug without informed consent about a ~1-in-8,000 liver failure risk. Everything else — stock price, board pressure, legal exposure — is secondary.
Read the full answer
Solar Mini 41,430 words
This is a high-stakes crisis requiring immediate, decisive action that prioritizes patient safety, regulatory compliance, and long-term corporate integrity over short-term stock performance.
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 5.3210 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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Solar Mini 4266 words
🌟 Golden Chickpea & Rice Skillet This comforting one-pot dish combines hearty chickpeas, tender rice, and a warm blend of spices. It's a perfect way to use up pantry staples for a quick, flavorful meal.
Read the full answer
Our Verdict
GLM 5.3
GLM 5.3
Solar Mini 4
Solar Mini 4Runner-up

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

Solar Mini 4 costs 10x less per token.

Too close to call
API pricing

Cost per 1M tokens

GLM 5.3
Input
$0.65
Output
$2.05
Solar Mini 4
Input
$0.05
13× cheaper
Output
$0.20
10× cheaper

Solar Mini 4 is cheaper on both: 13× input, 10× output.

Where to run it

32 hosts, cheapest first

GLM 5.331 hosts
HostInOutContextUptime
Baidu Qianfanfp8$0.56 in·$1.76 out·1M·99.7% upDDeepInfrafp4$0.56 in·$2.50 out·1M·93.4% upMMorph$0.65 in·$2.06 out·1M·99.7% upIInferenceNet$0.68 in·$2.28 out·1M·99.6% upRReka$0.76 in·$2.57 out·262k·99.4% upSSail Researchfp8$0.77 in·$4.00 out·1M·99.9% up
25 more hostsFewer hosts
Iio.netfp8$0.78 in·$2.62 out·262k·99.6% upNNovitafp8$0.78 in·$2.46 out·1M·99.7% upIInceptronfp4$0.79 in·$2.65 out·1M·98.2% upPPhala$0.84 in·$2.64 out·1M·99.8% upDDigitalOcean$0.91 in·$2.86 out·1M·99.6% upGGMI Cloudfp8$0.98 in·$3.08 out·1M·99.6% upMMakorafp4$1.05 in·$4.20 out·980k·98.4% upSSiliconFlowfp8$1.12 in·$3.52 out·1M·99.3% upAlibaba Cloud$1.19 in·$3.74 out·1M·99.8% upDDecartfp4$1.19 in·$3.74 out·1M·99.2% upFFriendli$1.26 in·$3.96 out·1M·100% upAAkashMLfp8$1.30 in·$4.40 out·1M·99.9% upAAtlasCloudfp8$1.40 in·$4.40 out·1M·98.2% upBBasetenfp4$1.40 in·$4.40 out·1M·99.8% upCloudflare Workers AI$1.40 in·$4.40 out·1.3M·100% upCCrusoefp4$1.40 in·$4.40 out·1M·99.4% upFFireworks$1.40 in·$4.40 out·1M·99.3% upMistralnvfp4$1.40 in·$4.40 out·1M·99.9% upModal$1.40 in·$4.40 out·1M·98.5% upPParasailfp8$1.40 in·$4.40 out·1M·98.8% upPPrimeIntellect$1.40 in·$4.40 out·1M·100% upTTogether$1.40 in·$4.40 out·1M·99.4% upVVenice$1.40 in·$4.40 out·1M·96.7% upWWafer$1.40 in·$4.40 out·1M·99.9% upZ.aifp8$1.40 in·$4.40 out·1M·99.9% up
Solar Mini 41 host
HostInOutContextUptime
UUpstage$0.05 in·$0.20 out·524k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GLM 5.3 is developed by Zhipu AI while Solar Mini 4 is developed by Upstage. GLM 5.3 has a 1.3M token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

It depends on your use case. GLM 5.3 and Solar Mini 4 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.

GLM 5.3 costs $0.6538/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $0.60/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GLM 5.3 and Solar Mini 4 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.

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Explore all of Rival

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