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  5. GPT-6 Sol ProvsQwen3.8 27B
Updated Sep 2026

GPT-6 Sol ProvsQwen3.8 27B

Qwen3.8 27B is cheaper than GPT-6 Sol Pro at $0.4/M vs $2/M input tokens.

GPT-6 Sol Pro and Qwen3.8 27B compared across 20 shared prompts
SpecGPT-6 Sol ProQwen3.8 27B
Input price$2/M tokens$0.4/M tokens
Output price$10/M tokens$3/M tokens
Context window1.1M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedSep 2026Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 prompts both answered. Formatting stripped, words untouched.

Advanced Longevity Plan (Biohacker)

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

GPT-6 Sol Pro1,411 words
A 12-week longevity and performance plan Aim: improve the health markers most strongly linked to long-term outcomes—cardiorespiratory fitness, strength, blood pressure, metabolic health, sleep, and sustainable habits—while testing whether more experimental “biohacks” add anything useful.
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Qwen3.8 27B3,703 words
90-Day Longevity & Performance Biohacking Protocol Important: This is an advanced, high-intensity optimization plan. It is not medical advice. If you have heart disease, kidney disease, liver disease, diabetes, pregnancy, eating disorders, autoimmune disease, cancer history, are on blood thinners, or take prescription…
Read the full answer

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…

GPT-6 Sol Pro974 words
LedgerLift (LLLT) — Investment Committee Memo Recommendation: Short 12-month price target: $30–$44 Thesis. LedgerLift has attractive subscription economics, but at $46 the stock prices in substantially more durable cash flow than the supplied operating assumptions produce: base-case DCF value is about $28 per share…
Read the full answer
Qwen3.8 27B837 words
Fictional internal memo; not investment advice. Recommendation: Short (moderate conviction) 12-month PT range: $30–$44 Thesis: LLLT is a high-quality, cash-rich spend-management SaaS business, but at $46 it embeds a peer EBIT multiple that its 20% FY26E EBIT margin and conservative DCF do not support.
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…

GPT-6 Sol Pro1,277 words
The central problem is that this design treats concurrent edits as independent database writes, then tries to reconcile them with client timestamps. That can lose valid edits even when every component is working.
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Qwen3.8 27B4,268 words
Below is a comprehensive issue register based on the architecture you described. I’m assuming: “change event” can be a small edit, possibly per keystroke or per paragraph. Documents are stored as HTML blobs. Each API server owns only its own WebSocket clients.
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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…

GPT-6 Sol Pro913 words
Scallop, Green Strawberry & White Chocolate Seared scallops with charred kohlrabi, compressed green strawberry, white-chocolate–miso beurre blanc, kombu oil and buckwheat lace The unusual pairing is scallop and white chocolate.
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Qwen3.8 27B3,174 words
Tidal Cellar Koji-Cured Scallop, Oyster, Black Garlic, 24-Month Parmigiano, Apple, and Sea Fennel Menu line: Koji-cured sea scallop, oyster-apple gel, charred celeriac, black garlic and 24-month Parmigiano velouté, apple-hazelnut shard, sea fennel–chive oil, black garlic–oak ash.
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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…

GPT-6 Sol Pro114 words
Golden Pantry Chickpea Patties Prep: 10 minutes · Cook: 8 minutes · Makes: 6 small patties Ingredients — just 7 1 can (15 oz) chickpeas, drained 3 tbsp all-purpose flour 2 tbsp water 2 tbsp olive oil 1 tsp garlic powder 1 tsp paprika ½ tsp salt Instructions Mash the chickpeas with a fork, leaving a few chunky bits.
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Qwen3.8 27B116 words
Pantry Firecracker Black Beans A quick, savory, one-pan dish made with only 7 common pantry ingredients. Estimated time: Prep: 5 minutes Cook: 10 minutes Total: about 15 minutes Ingredients 1 can black beans, drained 2 tablespoons olive oil 1 teaspoon ground cumin 1/2 teaspoon chili powder 1/2 teaspoon garlic powder…
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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) –…

GPT-6 Sol Pro331 words
HarborTech Services — simplified LBO ($m) Entry: Enterprise value = 12.0 × $120 = $1,440. Fees are $28.8; opening debt is a $480 term loan plus $180 mezzanine loan. Initial equity = $1,440 + $28.8 − $660 = $808.8. Interest is calculated on beginning-of-year balances.
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Qwen3.8 27B692 words
All figures in $m unless noted. Assumptions: 12.0x entry multiple is EV/EBITDA. Interest is calculated on beginning-of-year debt balances. Mandatory Term Loan amortization = 1% of original Term Loan = $4.8m/yr. Mezz PIK = 2% of beginning Mezz balance, compounded into principal.
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Our Verdict
GPT-6 Sol Pro
GPT-6 Sol Pro
Qwen3.8 27B
Qwen3.8 27BRunner-up

Not enough votes to call it. On the specs, GPT-6 Sol Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.

Qwen3.8 27B costs 3.3x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-6 Sol Pro
Input
$2.00
Output
$10.00
Qwen3.8 27B
Input
$0.40
5.0× cheaper
Output
$3.00
3.3× cheaper

Qwen3.8 27B is cheaper on both: 5.0× input, 3.3× output.

Where to run it

18 hosts, cheapest first

GPT-6 Sol Pro2 hosts
HostInOutContextUptime
Azure AI Foundry$2.00 in·$10.00 out·1.1M·99.9% upOpenAI$2.00 in·$10.00 out·1.1M·100% up
Qwen3.8 27B16 hosts
HostInOutContextUptime
WWafer$0.09 in·$4.40 out·262k·100% upRReka$0.09 in·$4.40 out·262k·99% upDDekaLLM$0.10 in·$4.40 out·262k·99.9% upDDarkbloomfp4$0.10 in·$1.80 out·262k·99.7% upDDeepInfrabf16$0.15 in·$1.88 out·262k·98% upPPhala$0.20 in·$2.08 out·262k·99.1% up
10 more hostsFewer hosts
MMancerfp8$0.20 in·$2.50 out·262k·99.4% upCChutesfp8$0.24 in·$2.20 out·262k·99.1% upPParasailfp8$0.24 in·$2.20 out·262k·100% upAAkashMLfp8$0.25 in·$2.20 out·262k·99.8% upIIonstreamfp8$0.25 in·$2.55 out·262k·97.4% upCCoreWeavefp8$0.40 in·$3.00 out·262k·99.7% upNNovita$0.42 in·$3.00 out·1M·99.8% upAlibaba Cloud$0.42 in·$2.55 out·1M·99.8% upCloudflare Workers AI$0.45 in·$3.20 out·262k·93.5% upVVenicefp8$0.45 in·$3.20 out·262k·98.8% up

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

Research

What we learned reading every model

FAQ

Common questions

GPT-6 Sol Pro is developed by OpenAI while Qwen3.8 27B is developed by Qwen. GPT-6 Sol Pro has a 1.1M token context window vs Qwen3.8 27B's 262K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-6 Sol Pro and Qwen3.8 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

GPT-6 Sol Pro costs $2/M input tokens and Qwen3.8 27B costs $0.4/M input tokens. Qwen3.8 27B is $1.60/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 GPT-6 Sol Pro and Qwen3.8 27B 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

GPT-6 Sol Pro logo
GPT-6 Sol Pro20 outputs, specs and price
Qwen3.8 27B logo
Qwen3.8 27B57 outputs, specs and price
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