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  5. GLM 5.2vsSolar Mini 4
Updated Sep 2026

GLM 5.2vsSolar Mini 4

Solar Mini 4 is cheaper than GLM 5.2 at $0.05/M vs $1.4/M input tokens.

GLM 5.2 and Solar Mini 4 compared across 19 shared prompts
SpecGLM 5.2Solar Mini 4
Input price$1.4/M tokens$0.05/M tokens
Output price$4.4/M tokens$0.2/M tokens
Context window1.0M tokens524K tokens
WeightsOpen—
Free API (OpenRouter)Yes (1 provider)No
ReleasedJun 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 19 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 5.2624 words
HarborTech Services (HTS) — LBO Underwriting Memo Entry Summary (FY2025) Item Value Entry EBITDA $120.0m Entry EV (12.0x) $1,440.0m Transaction fees (2.0% × EV) $28.8m Term Loan (4.0x) $480.0m Mezzanine (1.5x) $180.0m Total Debt $660.0m Equity Check (EV + Fees − Debt) $808.8m Operating Model & Debt Schedule…
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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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Historical Counterfactual Analysis

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

GLM 5.21,053 words
If the transistor had been invented in 1920—a full 27 years before its historical debut at Bell Labs—the 20th century would have been radically transformed. The transition from mechanical and vacuum-tube technology to solid-state electronics would have accelerated the Information Age by nearly three decades.
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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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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 5.2745 words
The Experienced Software Engineer I know "predicting the next word" sounds like a glorified T9 autocomplete or a simple Markov chain, but the magic isn't in the objective—it’s in the internal state required to achieve it. Think of the model not as a chatbot, but as a massive, dynamically routing interpreter.
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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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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

GLM 5.21,203 words
Here is an analysis of the clauses in the contract that could be exploited against the contractor, along with suggested modifications and the legal reasoning for each. Scope Exploitable Clause: "Client reserves the right to modify the scope at any time without additional compensation."
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Solar Mini 41,994 words
This agreement contains several provisions that are heavily one-sided, overly broad, or legally vulnerable. Below is a clause-by-clause analysis of the most exploitable terms, suggested modifications, and the legal reasoning behind them. Note: Contract law varies significantly by jurisdiction.
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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 5.2250 words
Dish Name: Midnight Magic Peanut Noodles Estimated Time: Prep Time: 5 minutes Cook Time: 10 minutes Total Time: 15 minutes Ingredients (7 Common Pantry Staples): Spaghetti (or any long pasta you have on hand) Creamy peanut butter Soy sauce Rice vinegar Honey Garlic powder Crushed red pepper flakes Instructions: Cook…
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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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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 5.2996 words
INTERNAL INVESTMENT COMMITTEE MEMO Company: LedgerLift (LLLT) Sector: Technology / B2B SaaS (Spend Management & AP Automation) Current Price: $46.00 Market Cap: $8.74B Net Cash: $1.4B EV: $7.34B Recommendation & Thesis Recommendation: LONG (Tactical) 12-Month PT Range: $50 – $54 Thesis: LedgerLift is a category-leading…
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Solar Mini 4347 words
Investment Committee Memo: LedgerLift (LLLT) To: Investment Committee From: Research Date: October 26, 2023 Subject: Long/Short Recommendation: LedgerLift (LLLT) Recommendation Action: Long 12-Month PT Range: $55 – $65 Thesis: LedgerLift demonstrates best-in-class SaaS metrics (123% NRR, 94% gross retention) within a…
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Our Verdict
GLM 5.2
GLM 5.2
Solar Mini 4
Solar Mini 4Runner-up

Not enough votes to call it. On the specs, GLM 5.2 has the edge: bigger model tier, bigger context window, major provider backing.

Solar Mini 4 costs 22x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GLM 5.2
Input
$1.40
Output
$4.40
Solar Mini 4
Input
$0.05
28× cheaper
Output
$0.20
22× cheaper

Solar Mini 4 is cheaper on both: 28× input, 22× output.

Where to run it

23 hosts, cheapest first

GLM 5.222 hosts
HostInOutContextUptime
Baidu Qianfanfp8$0.56 in·$1.76 out·1M·100% upDDeepInfrafp4$0.56 in·$1.80 out·1M·99.3% upSStreamLakefp8$0.64 in·$2.01 out·1M·99.6% upNNovitafp8$0.65 in·$2.04 out·1M·100% upDDigitalOcean$0.70 in·$2.20 out·262k·100% upCCoreWeavefp4$0.76 in·$2.42 out·1M·99.5% up
16 more hostsFewer hosts
IInceptronfp4$0.90 in·$3.18 out·1M·98.8% upAAtlasCloudfp8$0.94 in·$2.95 out·1M·99.8% upAlibaba Cloudfp8$0.97 in·$3.04 out·1M·99.9% upSSiliconFlowfp8$1.19 in·$3.74 out·1M·99.9% upPPhalafp8$1.26 in·$3.00 out·1M·99.9% upBBasetenfp8$1.40 in·$4.40 out·1M·100% upCloudflare Workers AI$1.40 in·$4.40 out·262k·99.9% upFFireworks$1.40 in·$4.40 out·1M·99.7% upFFriendli$1.40 in·$4.40 out·1M·99.7% upGGMI Cloudfp8$1.40 in·$4.40 out·1M·98.6% upPParasailfp4$1.40 in·$4.40 out·262k·99.9% upTTogether$1.40 in·$4.40 out·1M·99.6% upVVenicefp8$1.40 in·$4.40 out·1M·99.8% upWWafer$1.40 in·$4.40 out·1M·99.2% upZ.aifp8$1.40 in·$4.40 out·1M·99.6% upDDecartfp4$2.25 in·$8.00 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 5.2 is developed by Zhipu AI while Solar Mini 4 is developed by Upstage. GLM 5.2 has a 1.0M token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. GLM 5.2 and Solar Mini 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

GLM 5.2 costs $1.4/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $1.35/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 5.2 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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Rival
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Explore all of Rival

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