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  5. GLM 5.3 FlashvsSolar Mini 4
Updated Sep 2026

GLM 5.3 FlashvsSolar Mini 4

Solar Mini 4 is cheaper than GLM 5.3 Flash at $0.05/M vs $0.15/M input tokens.

GLM 5.3 Flash and Solar Mini 4 compared across 15 shared prompts
SpecGLM 5.3 FlashSolar Mini 4
Input price$0.15/M tokens$0.05/M tokens
Output price$0.5/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 15 prompts both answered. Formatting stripped, words untouched.

Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

GLM 5.3 Flash518 words
HarborTech Services — 5-Year LBO Summary Entry Math EV = 12.0x × $120m = $1,440.0m; Fees (2%) = $28.8m; Total uses = $1,468.8m Debt: TL = 4.0x × 120 = $480.0m; Mezz = 1.5x × 120 = $180.0m; Total = $660.0m (5.5x) Sponsor equity = $808.8m Base Case Projection ($m) FY26 FY27 FY28 FY29 FY30 Revenue 972.0 1,039.7 1,102.1…
Read the full answer
Solar Mini 41,718 words
518.51935 New TL: 276.34682 - 86.82747 = 189.51935 Mezz: PIK 194.8377888 * 0.02 = 3.896755776 New Mezz: 194.8377888 + 3.896755776 = 198.734544576 Ending Balances: TL: 189.52 Mezz: 198.73 Total Debt: 388.25 Exit (End of FY2030): Exit EBITDA: 206.6252668 Exit Multiple: 10.5x Exit EV: 206.6252668 * 10.5 = 2,169.5653014…
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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 5.3 Flash720 words
"Ember & Tide" — Charred Banana Peel Consommé with Sea Urchin, Hay-Smoked Foie Gras, and Black Garlic Beurre Blanc Conceptual Narrative This dish explores the dialogue between decay and luxury — ingredients usually discarded (banana peels, hay stalks) elevated alongside opulent ones (uni, foie gras).
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Solar Mini 41,364 words
Chronos & Tides A Three-Component Study in Preservation, Precision, and Ephemeral Sensation Concept: A single plate that traces the lifecycle of an umami-rich flavor profile through three distinct temporal states: fermented (time in), precision-cooked (time controlled), and volatile (time suspended).
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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 5.3 Flash1,276 words
The Experienced Software Engineer You know how a load balancer routes requests, how a cache stores frequently-accessed data, how a database index lets you find a needle without scanning the haystack? An LLM is a fundamentally different kind of system: it's a learned lookup, not a designed one.
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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.
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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 5.3 Flash1,314 words
Counterfactual: The Transistor in 1920 Preliminary Framing A 1920 transistor presumes vacuum-tube-era physics knowledge outpacing reality—quantum mechanics wasn't mature until 1926–28, so a working device would likely be an empirical oddity (like the actual point-contact transistor) imperfectly understood.
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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…
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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 5.3 Flash327 words
1-Month Beginner Health & Longevity Plan 🥗 Area 1: Diet — "Add Before You Subtract" Week 1: Add one vegetable or fruit to every meal. Don't cut anything yet—just add. Week 2: Swap one sugary drink per day for water or unsweetened tea.
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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.
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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 5.3 Flash205 words
Golden Hour Garlic Butter Pasta A silky, savory pasta that comes together faster than delivery! Ingredients (serves 2): 8 oz spaghetti or any pasta 4 tbsp butter 4 cloves garlic, minced (or 1 tsp garlic powder) ½ cup grated Parmesan cheese ½ cup pasta water (reserved) 1 tsp red pepper flakes Salt Prep time: 5 minutes…
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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.
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Our Verdict
GLM 5.3 Flash
GLM 5.3 Flash
Solar Mini 4
Solar Mini 4Runner-up

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

Slight edge
API pricing

Cost per 1M tokens

GLM 5.3 Flash
Input
$0.15
Output
$0.50
Solar Mini 4
Input
$0.05
3.0× cheaper
Output
$0.20
2.5× cheaper

Solar Mini 4 is cheaper on both: 3.0× input, 2.5× output.

Where to run it

32 hosts, cheapest first

GLM 5.3 Flash31 hosts
HostInOutContextUptime
IInferenceNetfp4$0.04 in·$0.14 out·1M·99.6% upSSail Researchfp8$0.04 in·$0.60 out·1M·100% upRRelace$0.07 in·$0.28 out·1M·99.9% upOOpenInferencefp4$0.07 in·$0.36 out·1M·99.6% upDDeepInfrafp4$0.07 in·$0.25 out·1M·99.6% upWWafer$0.09 in·$0.35 out·1M·99.8% up
25 more hostsFewer hosts
GGMI Cloudfp8$0.09 in·$0.30 out·1M·99.1% upMMorph$0.10 in·$0.34 out·1M·89% upDDecartfp4$0.13 in·$0.42 out·1M·98.5% upPPhalafp8$0.13 in·$0.42 out·1M·98.9% upNNovitafp8$0.13 in·$0.44 out·1M·99.3% upSStreamLakefp8$0.14 in·$0.47 out·1M·99.3% upIio.netfp8$0.14 in·$0.47 out·262k·98.3% upAAtlasCloudfp8$0.15 in·$0.50 out·1M·99.5% upBBasetenfp8$0.15 in·$0.50 out·1M·99.4% upCCoreWeavenvfp4$0.15 in·$0.50 out·1M·99.6% upCCrusoefp4$0.15 in·$0.50 out·1M·96.6% upDDigitalOcean$0.15 in·$0.50 out·1M·99.5% upFFireworks$0.15 in·$0.50 out·1M·99.4% upFFriendli$0.15 in·$0.50 out·1M·98.8% upIInceptronfp8$0.15 in·$0.50 out·1M·99.5% upModalnvfp4$0.15 in·$0.50 out·1M·99.9% upNNear AIfp8$0.15 in·$0.50 out·1M·99.6% upPParasailfp8$0.15 in·$0.50 out·1M·99.6% upRReka$0.15 in·$0.50 out·262k·99.7% upSSiliconFlowfp8$0.15 in·$0.50 out·1M·99.7% upTTogether$0.15 in·$0.50 out·1M·99.5% upVVenice$0.15 in·$0.50 out·1M·97.7% upZ.aifp8$0.15 in·$0.50 out·1M·99.6% upNNextBitfp8$0.17 in·$0.55 out·1M·99.7% upCloudflare Workers AI$0.30 in·$1.00 out·1.3M·99.8% 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 Flash is developed by Zhipu AI while Solar Mini 4 is developed by Upstage. GLM 5.3 Flash has a 1.3M token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 15 challenges on Rival to see how they differ in practice.

It depends on your use case. GLM 5.3 Flash and Solar Mini 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 15 challenges so you can judge which fits your needs best.

GLM 5.3 Flash costs $0.15/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $0.10/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 Flash 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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Model pages

GLM 5.3 Flash logo
GLM 5.3 Flash15 outputs, specs and price
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Solar Mini 419 outputs, specs and price
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