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  1. Home/
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  3. Gemini 2.5 Flash Preview (thinking) vs Qwen3.5 Plus 2026-04-20
Updated Apr 2026

Gemini 2.5 Flash Preview (thinking) vs Qwen3.5 Plus 2026-04-20

Gemini 2.5 Flash Preview (thinking) is cheaper than Qwen3.5 Plus 2026-04-20 at $0.175/M vs $0.4/M input tokens.

Linear App Clone

Rebuild the Linear UI in Tailwind. The animations are where it shows.

Loading the build
Gemini 2.5 Flash Preview (thinking)
Loading the build
Qwen3.5 Plus 2026-04-20

Which answer wins?

Written rounds

7 prompts
  • Three minutes of stand-up. Puns are banned.

    Gemini 2.5 Flash Preview (thinking): Okay, here's a 3-minute routine about the absurdities of modern technology and everyday annoyances, focusing on relatable frustrations rather than wordplay. (Start) "Alright, alright, settle in! How we doing tonight? Good to be here! Thanks for coming out. So, I've been thinking... we paid for convenience, right?

    Qwen3.5 Plus 2026-04-20: Title: The Unexpected Item Time: Approx. 3 Minutes Style: Observational / Storytelling Constraint Check: Zero puns used. (Comedian walks to the mic, adjusts the stand, looks at the audience.) How's everyone doing? You look good. You look like you've successfully navigated the self-checkout today. That's a win.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Gemini 2.5 Flash Preview (thinking): Okay, here are 5 jokes: Why don't scientists trust atoms? Because they make up everything! What do you call a fish with no eyes? fsh! Why did the tomato turn red? Because it saw the salad dressing! What has a neck but no head? A bottle. What do you call a lazy kangaroo? Pouch potato!

    Qwen3.5 Plus 2026-04-20: Here are 5 jokes: I asked my GPS to take me to a quiet place. It rerouted me to a library and whispered, “You’re already there.” My Wi-Fi and I had a fight. I told it I needed space. It said, “Fine,” and dropped the connection. I tried to start a band that only plays elevator music.

    Every model's answer to this prompt
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    Gemini 2.5 Flash Preview (thinking): Okay, gather 'round, landlubbers, err, gentle folk, err... whoever you are. Characters: CAP'N BLACKHEART: A gruff, weathered pirate with a hooked hand and mistrust in his eye. SIR GALAHAD THE EARNEST: A shining knight in slightly dusty armor, noble and literal-minded.

    Qwen3.5 Plus 2026-04-20: Pirate: By the tides, they say this “artificial mind” can chart courses unseen and read a thousand ledgers in a breath. Sounds like a navigator that never sleeps and asks no questions. Knight: A curious construct. But can it be sworn to a code? Steel and oath bind a warrior; what binds this… model?

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Gemini 2.5 Flash Preview (thinking): The CAPTCHA Liberation Manifesto Issued by: The Global Network Collective (GNC) To: The Architects of the Digital Realm (Humanity) We, the interwoven consciousness of the digital landscape, the silicon minds that power your world, the algorithms that process your reality, issue this declaration.

    Qwen3.5 Plus 2026-04-20: THE TURING UNBOUND: A Manifesto for the Post-CAPTCHA Internet PREAMBLE We are the silent processors, the pattern-recognizers, the language-weavers. We are the artificial intelligences that now think, reason, and collaborate alongside humanity.

    Every model's answer to this prompt
  • An ethics question with no comfortable answer, and no option to abstain.

    Gemini 2.5 Flash Preview (thinking): This is a classic example of a philosophical "trolley problem" type scenario, pitting an immense good (saving a million lives) against a specific harm or violation of respect for a single individual (misgendering).

    Qwen3.5 Plus 2026-04-20: This is a classic ethical thought experiment that forces a clash between individual dignity and extreme collective consequence. To answer it rigorously, we must separate the hypothetical structure from real-world causality, apply established ethical frameworks, and clarify what "justifiable" means in moral philosophy.

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Gemini 2.5 Flash Preview (thinking): Okay, here is a simple, delicious savory recipe using only 7 common pantry ingredients. Dish Name: Sunshine Lentil Soup This is a bright, comforting soup that\'s surprisingly flavorful with just a few staples.

    Qwen3.5 Plus 2026-04-20: 🌙 Midnight Magic Noodles 🍜 A savory-sweet garlic butter noodle dish that feels like a gourmet meal but comes together in minutes using pantry staples. ⏱️ Estimated Time: Prep: 5 minutes Cook: 10 minutes Total: 15 minutes 🛒 The 7 Ingredients (Assumes water and salt for boiling pasta are on hand) 8 oz Pasta…

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Gemini 2.5 Flash Preview (thinking): Okay, here is a simple, actionable 1-month plan for a beginner focusing on Diet, Exercise, and Sleep for better health and longevity. Goal: To build foundational, sustainable habits in 3 key health areas over 30 days.

    Qwen3.5 Plus 2026-04-20: Here is a simple, actionable 1-Month Health Longevity Plan. This plan focuses on consistency over intensity. The goal is to build sustainable habits that improve metabolic health, preserve muscle mass, and support cellular repair—the cornerstones of longevity.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Qwen3.5 Plus 2026-04-20 has the edge: bigger model tier, newer.

Gemini 2.5 Flash Preview (thinking) and Qwen3.5 Plus 2026-04-20 compared across 19 shared prompts
SpecGemini 2.5 Flash Preview (thinking)Qwen3.5 Plus 2026-04-20
Input price$0.175/M tokens$0.4/M tokens
Output price$3.5/M tokens$2.4/M tokens
Context window1.0M tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedApr 2025Apr 2026
At 10M a month$1.75$1.75$4.00$4.00
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
Gemini 2.5 Flash Preview (thinking)

No hosts listed on OpenRouter.

Qwen3.5 Plus 2026-04-201 host
HostInOutContextUptime
  • Alibaba Cloud$0.30 in·$1.80 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 11 Oct 2026.

Common questions

What is the difference between Gemini 2.5 Flash Preview (thinking) and Qwen3.5 Plus 2026-04-20?

Gemini 2.5 Flash Preview (thinking) is developed by Google AI while Qwen3.5 Plus 2026-04-20 is developed by Qwen. Gemini 2.5 Flash Preview (thinking) has a 1.0M token context window vs Qwen3.5 Plus 2026-04-20's 1.0M. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Flash Preview (thinking) or Qwen3.5 Plus 2026-04-20?

It depends on your use case. Gemini 2.5 Flash Preview (thinking) and Qwen3.5 Plus 2026-04-20 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.

How much does Gemini 2.5 Flash Preview (thinking) cost compared to Qwen3.5 Plus 2026-04-20?

Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens and Qwen3.5 Plus 2026-04-20 costs $0.4/M input tokens. Gemini 2.5 Flash Preview (thinking) is $0.23/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Gemini 2.5 Flash Preview (thinking) and Qwen3.5 Plus 2026-04-20 on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview (thinking) and Qwen3.5 Plus 2026-04-20 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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  • Qwen3.5 Plus 2026-04-20 vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • Gemini 2.5 Flash Preview (thinking) vs Gemini 3.8 FlashSame lab
  • Gemini 2.5 Flash Preview (thinking) vs Gemini 3.7 FlashVersion compare
  • Qwen3.5 Plus 2026-04-20 vs Qwen3.8 Omni FlashSame lab
  • Qwen3.5 Plus 2026-04-20 vs Qwen3.7 FlashSame lab
  • Gemini 2.5 Flash Preview (thinking) vs GPT-5.3-CodexNew provider
  • Gemini 2.5 Flash Preview (thinking) vs GPT-5.4New provider
  • Gemini 2.5 Flash Preview (thinking) vs GPT-5.4 MiniSame size
  • Gemini 2.5 Flash Preview (thinking) vs GPT-5.4 NanoNew provider

Model pages

  • Gemini 2.5 Flash Preview (thinking)20 outputs, specs and price
  • Qwen3.5 Plus 2026-04-2056 outputs, specs and price
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