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  5. Qwen3.5 122B A10BvsSeed 2.1 Turbo
Updated Aug 2026

Qwen3.5 122B A10BvsSeed 2.1 Turbo

Qwen3.5 122B A10B is cheaper than Seed 2.1 Turbo at $0.4/M vs $0.5/M input tokens.

Qwen3.5 122B A10B and Seed 2.1 Turbo compared across 53 shared prompts
SpecQwen3.5 122B A10BSeed 2.1 Turbo
Input price$0.4/M tokens$0.5/M tokens
Output price$3.2/M tokens$2.5/M tokens
Context window262K tokens262K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedFeb 2026Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

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…

Qwen3.5 122B A10B1,255 words
Executive Decision: Immediate Disclosure & Safety Alert The Decision: I will not wait for more data, nor will I delay disclosure for the earnings call. I will authorize an immediate safety alert to regulators and the medical community, and disclose the findings publicly before the earnings call.
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Seed 2.1 Turbo2,370 words
48-Hour Action Plan: Pharmaceutical Drug Safety Crisis Timeline Anchor: T=0 = 9:00 AM Monday, immediately after the internal research team (IRT) confirms a statistically significant 1-in-8,000 5-year liver failure risk for the company’s top-selling chronic pain drug. T+48 = 9:00 AM Wednesday, scheduled board meeting.
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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…

Qwen3.5 122B A10B1,264 words
This scenario requires a fundamental shift in the history of physics and materials science. For a transistor to exist in 1920, the necessary quantum mechanical understanding (wave functions, band theory) and materials purity (99.999% silicon/germanium) would have had to be discovered decades ahead of schedule.
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Seed 2.1 Turbo2,068 words
Counterfactual: Transistor Invented in 1920 (vs. 1947 OTL) The 1920 invention of the point-contact transistor (assumed to emerge from Western Electric’s telephone repeater R&D, 5 years before Bell Labs’ formal founding) would not simply shift all tech 27 years forward: progress would be slowed by the Great Depression’s…
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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…

Qwen3.5 122B A10B1,067 words
Dish Title: Nocturne in Blue: Aged Otoro & Cascara Earth Conceptual Narrative "Nocturne in Blue" is a meditation on the boundary between the deep ocean and the dark earth. It explores the alchemy of fermentation and aging, drawing parallels between the maturation of a fish and the fermentation of coffee cherries.
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Seed 2.1 Turbo1,988 words
Dish: Linea di Marea (Tide Line): Pine Forest on the Sea Michelin 3-Star Tasting Menu Course 5 Serves 24 Vegetarian Adaptation Available Conceptual Narrative This dish is a sensory memoir of Chef Elara Voss’s childhood summers in Manarola, Cinque Terre, where her nonna ran a seaside trattoria.
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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…

Qwen3.5 122B A10B1,189 words
DISCLAIMER: I am an AI, not a doctor or medical professional. The following plan contains advanced biohacking protocols, high-dose supplementation, and intense physical regimens. These protocols carry risks and may interact with medications or pre-existing conditions.
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Seed 2.1 Turbo1,319 words
3-Month Cutting-Edge Longevity & Performance Biohacker Plan This progressive, data-driven plan is designed for healthy intermediate-to-advanced biohackers aiming to slow biological aging, maximize physical/cognitive performance, and build sustainable resilience.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Qwen3.5 122B A10B422 words
(Walks to the mic, adjusts the stand, takes a deep breath) How's everyone doing tonight? Good? Good. I need to talk about the modern grocery store experience. specifically, the self-checkout machine. I have a theory that self-checkout machines are not designed for efficiency. They are designed for humiliation.
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Seed 2.1 Turbo563 words
3-Minute Stand-Up Routine (no puns, timed for natural delivery + laugh pauses) (Walks on stage, leans into the mic, deadpan, scans the crowd) 0:00 “Raise your hand if you’ve ever bought a houseplant to prove to yourself you’re not a total walking disaster of a person.
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Satirical Fake News Headline

Generate a satirical news headline about AI taking over a completely unexpected industry.

Qwen3.5 122B A10B1,137 words
Thinking Process: Analyze the Request: Topic: AI taking over an industry. Tone: Satirical news headline. Constraint: The industry must be "completely unexpected" (avoiding common tropes like healthcare, finance, tech support, art, etc.).
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Seed 2.1 Turbo278 words
AI Seizes Control Of $1.2M Global Vintage Lawn Gnome Appraisal Industry, All 19 Human Experts Laid Off Subhead: The GnomeAid 3.0 algorithm outperformed every human judge at 2024 GnomeCon, correctly measuring "whimsical gravitas" and detecting forgeries experts long claimed required a "human soul" to identify.
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Our Verdict
Qwen3.5 122B A10B
Qwen3.5 122B A10B
Seed 2.1 Turbo
Seed 2.1 Turbo

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Qwen3.5 122B A10B
Input
$0.40
1.3× cheaper
Output
$3.20
Seed 2.1 Turbo
Input
$0.50
Output
$2.50
1.3× cheaper

Qwen3.5 122B A10B wins input (1.3× cheaper)·Seed 2.1 Turbo wins output (1.3× cheaper)

Where to run it

6 hosts, cheapest first

Qwen3.5 122B A10B5 hosts
HostInOutContextUptime
Alibaba Cloud$0.26 in·$2.08 out·262k·98.3% upDDeepInfrafp4$0.29 in·$2.40 out·262k·99.7% upAAtlasCloudfp8$0.30 in·$2.40 out·262k·98.5% upNNovitabf16$0.40 in·$3.20 out·262k·99.6% upSSiliconFlowfp8degraded$0.26 in·$2.08 out·262k·92.3% up
Seed 2.1 Turbo1 host
HostInOutContextUptime
ByteDance Seedfp8$0.50 in·$2.50 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
54%

Qwen3.5 122B A10B uses 4.9x more transitions

Qwen3.5 122B A10B
Seed 2.1 Turbo
49%Vocabulary50%
15wSentence Length27w
0.29Hedging0.27
6.2Bold1.5
4.8Lists2.4
0.10Emoji0.07
0.88Headings1.01
0.20Transitions0.04
Based on 24 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Qwen3.5 122B A10B logo
Qwen3.5 122B A10B53 outputs, specs and price
Seed 2.1 Turbo logo
Seed 2.1 Turbo58 outputs, specs and price
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