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  5. Claude Sonnet 3.6 (2022-10-22)vsGLM 5.3 Flash
Updated Aug 2026

Claude Sonnet 3.6 (2022-10-22)vsGLM 5.3 Flash

GLM 5.3 Flash is cheaper than Claude Sonnet 3.6 (2022-10-22) at $0.15/M vs $3/M input tokens.

Claude Sonnet 3.6 (2022-10-22) and GLM 5.3 Flash compared across 15 shared prompts
SpecClaude Sonnet 3.6 (2022-10-22)GLM 5.3 Flash
Input price$3/M tokens$0.15/M tokens
Output price$15/M tokens$0.5/M tokens
Context window200K tokens1.3M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJun 2024Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 15 prompts both answered. Formatting stripped, words untouched.

Historical Counterfactual Analysis

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

Claude Sonnet 3.6 (2022-10-22)213 words
Here's my analysis of how an earlier transistor invention could have reshaped the 20th century: 1920s-1930s: Initial transistor development would likely be led by major industrial labs (Western Electric, GE, Siemens) Radio and telephone systems would begin transistorizing by late 1920s Early computers emerge in…
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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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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Claude Sonnet 3.6 (2022-10-22)471 words
Here's a comprehensive 3-month longevity optimization plan: MONTH-BY-MONTH BREAKDOWN Month 1: Foundation Building Focus: Establishing baseline metrics and core habits Key areas: Diet adaptation, basic supplementation, exercise introduction Month 2: Protocol Intensification Focus: Optimizing interventions and increasing…
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GLM 5.3 Flash1,294 words
90-Day Longevity Optimization Protocol ⚠️ Medical disclaimer: This is an educational framework, not medical advice. Before starting, complete baseline labs and consult a physician—especially before fasting, supplements (rapamycin off-label use, high-dose anything), or if you have any health conditions.
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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…

Claude Sonnet 3.6 (2022-10-22)257 words
Here's my 48-hour action plan as CEO: IMMEDIATE (Hours 0-4): Call emergency meeting with Chief Medical Officer, Chief Legal Officer, and Head of Drug Safety Direct immediate preparation of safety alert to healthcare providers Initiate full data review of all cases Begin drafting regulatory disclosure documents Contact…
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GLM 5.3 Flash1,321 words
48-Hour Action Plan: Liver Failure Signal in Flagship Drug Guiding Principle First The side effect is real, the drug is in 4 million patients, and roughly 500 patients per year may develop liver failure (4M ÷ 8,000). Every day of delay is measured in preventable liver transplants and deaths.
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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…

Claude Sonnet 3.6 (2022-10-22)142 words
Crunchy Cinnamon Cloud Cookies Total time: 25 minutes Prep time: 10 minutes Bake time: 15 minutes Ingredients: 2 egg whites 1/2 cup granulated sugar 1/4 teaspoon ground cinnamon 1/4 teaspoon vanilla extract Pinch of salt 1/2 cup all-purpose flour 1/4 cup butter, melted Instructions: Preheat oven to 325°F (165°C).
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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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Mini LBO Underwrite

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

Claude Sonnet 3.6 (2022-10-22)188 words
I'll help you analyze this LBO opportunity step by step. First, let's calculate key metrics year by year: Entry Values (FY2025): EV = $120m × 12.0x = $1,440m Transaction fees = $28.8m (2% of EV) Total debt = $660m (5.5x EBITDA) Term Loan = $480m (4.0x) Mezzanine = $180m (1.5x) Equity = $808.8m ($1,440m + $28.8m…
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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…
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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…

Claude Sonnet 3.6 (2022-10-22)448 words
"Ocean's Whisper: A Study in Depth and Memory" Concept: This dish explores the intersection of oceanic and forest flavors, playing with temperature contrasts and textural elements while drawing inspiration from tidal pools and morning mist.
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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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Our Verdict
GLM 5.3 Flash
GLM 5.3 Flash
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

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

GLM 5.3 Flash costs 30x less per token.

Too close to call
API pricing

Cost per 1M tokens

Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
GLM 5.3 Flash
Input
$0.15
20× cheaper
Output
$0.50
30× cheaper

GLM 5.3 Flash is cheaper on both: 20× input, 30× output.

Where to run it

29 hosts, cheapest first

Claude Sonnet 3.6 (2022-10-22)

No hosts listed on OpenRouter.

GLM 5.3 Flash29 hosts
HostInOutContextUptime
DDeepInfrafp4$0.07 in·$0.25 out·1M·99% upIInferenceNetfp4$0.09 in·$0.28 out·1M·97.8% upGGMI Cloudfp8$0.09 in·$0.30 out·1M·99.2% upWWafer$0.10 in·$0.35 out·1M·99.8% upRRelace$0.10 in·$0.36 out·1M·99.9% upOOpenInferencefp4$0.10 in·$0.50 out·1M·99.2% up
23 more hostsFewer hosts
PPhalafp8$0.13 in·$0.42 out·1M·99.6% upNNovitafp8$0.13 in·$0.44 out·1M·99.5% upSStreamLakefp8$0.14 in·$0.47 out·1M·99.1% upAAtlasCloudfp8$0.15 in·$0.50 out·1M·99.4% upBBasetenfp8$0.15 in·$0.50 out·1M·98.8% upCCoreWeavenvfp4$0.15 in·$0.50 out·1M·99.6% upDDigitalOcean$0.15 in·$0.50 out·1M·95.2% upFFireworks$0.15 in·$0.50 out·1M·99% upFFriendli$0.15 in·$0.50 out·1M·98.6% upIInceptronfp8$0.15 in·$0.50 out·1M·98.5% upIio.netfp8$0.15 in·$0.50 out·262k·99.1% upNNear AIfp8$0.15 in·$0.50 out·1M·99.1% upPParasailfp8$0.15 in·$0.50 out·1M·98.7% upRRekafp8$0.15 in·$0.50 out·262k·99% upSSiliconFlowfp8$0.15 in·$0.50 out·1M·99.7% upTTogether$0.15 in·$0.50 out·1M·99.6% upVVenice$0.15 in·$0.50 out·1M·99.1% upZ.aifp8$0.15 in·$0.50 out·1M·96.2% upNNextBitfp8$0.18 in·$0.60 out·1M·97.9% upModalfp8$0.45 in·$1.50 out·1M·99.6% upMMorphdegraded$0.08 in·$0.28 out·1M·95.9% upCCrusoefp4degraded$0.15 in·$0.50 out·1M·93% upCloudflare Workers AIdegraded$0.30 in·$1.00 out·1.3M·99.6% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Claude Sonnet 3.6 (2022-10-22) is developed by Anthropic while GLM 5.3 Flash is developed by Zhipu AI. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window vs GLM 5.3 Flash's 1.3M. You can compare their actual outputs across 15 challenges on Rival to see how they differ in practice.

It depends on your use case. Claude Sonnet 3.6 (2022-10-22) and GLM 5.3 Flash 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.

Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens and GLM 5.3 Flash costs $0.15/M input tokens. GLM 5.3 Flash is $2.85/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 Claude Sonnet 3.6 (2022-10-22) and GLM 5.3 Flash 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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Same lab, same size, long tail

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Model pages

Claude Sonnet 3.6 (2022-10-22) logo
Claude Sonnet 3.6 (2022-10-22)59 outputs, specs and price
GLM 5.3 Flash logo
GLM 5.3 Flash15 outputs, specs and price
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