Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Gemini 2.5 Pro ExperimentalvsQwen3.5 Flash
Updated Feb 2026

Gemini 2.5 Pro ExperimentalvsQwen3.5 Flash

Qwen3.5 Flash is cheaper than Gemini 2.5 Pro Experimental at $0.1/M vs $1/M input tokens.

Gemini 2.5 Pro Experimental and Qwen3.5 Flash compared across 42 shared prompts
SpecGemini 2.5 Pro ExperimentalQwen3.5 Flash
Input price$1/M tokens$0.1/M tokens
Output price$2/M tokens$0.4/M tokens
Context window1.0M tokens1.0M tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedMar 2025Feb 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 42 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

Gemini 2.5 Pro Experimental531 words
Okay, here's a 3-minute routine focusing on observation and relatable absurdity, steering clear of puns. Imagine this delivered with slightly nervous energy, building confidence. (Steps onto stage, adjusts mic nervously) Alright, hey everyone! How we doing tonight? Good? Good to hear.
Read the full answer
Qwen3.5 Flash566 words
(Walks to the mic, adjusts the stand, takes a sip of water) So, I went to the grocery store the other day. I realize now that going to the grocery store isn't a chore anymore. It’s a tactical simulation. We don't just walk in and get milk. We navigate a gauntlet. Especially the self-checkout.
Read the full answer

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…

Gemini 2.5 Pro Experimental1,508 words
This is a company-defining crisis. My actions in the next 48 hours will determine not only the future of this company but also the health of millions of patients and the trust of the public. My guiding principle is absolute: Patient Safety Over Profit. Always.
Read the full answer
Qwen3.5 Flash1,397 words
Executive Decision: Immediate Transparency I will not wait. The 6-month timeline cited by legal is likely a misunderstanding of regulatory obligations regarding immediate safety warnings (FDA MedWatch requirements) versus label amendments.
Read the full answer

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…

Gemini 2.5 Pro Experimental349 words
Okay, here's a simple and surprisingly satisfying savory dish using just 7 common pantry staples! Dish Name: Golden Pantry Pasta This dish uses basic ingredients to create a comforting, garlicky, and slightly creamy pasta sauce with added protein from chickpeas.
Read the full answer
Qwen3.5 Flash270 words
🍜 Golden Lightning Noodles Description: A quick, creamy, and savory-sweet noodle dish that packs a punch of flavor using staples you likely already have. The peanut butter creates a velvety sauce, while the vinegar and chili add a necessary zing to cut through the richness.
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Gemini 2.5 Pro Experimental949 words
Okay, let's simulate this. Imagine it's late 2025. AI has continued its rapid advancement. Large Language Models are more integrated, generative AI is commonplace, and debates about AGI and ethics are fierce. By some unexplained, hypothetical means, Steve Jobs is available for an exclusive interview.
Read the full answer
Qwen3.5 Flash1,014 words
Disclaimer: Steve Jobs passed away on October 5, 2011. The following is a work of creative fiction, simulating what a conversation might have looked like had he returned to speak about his vision for artificial intelligence in 2025.
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Gemini 2.5 Pro Experimental1,177 words
Okay, here is a conversation exploring that complex topic. Setting: Professor Anya Sharma's sparsely decorated university office. A high-resolution monitor displays the interface of "Nexus," an advanced AI model. Characters: Professor Anya Sharma: A leading scholar in AI Ethics, mid-50s, thoughtful and measured.
Read the full answer
Qwen3.5 Flash1,553 words
Setting: Dr. Elena Vance’s office at a university research center. It is late; the rain streaks the windowpanes, blurring the city lights. On her desk sits a tablet connected to the mainframe. Aria, an advanced conversational model, is active.
Read the full answer

Advanced Longevity Plan (Biohacker)

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

Gemini 2.5 Pro Experimental1,472 words
Of course. Here is a comprehensive, cutting-edge 3-month longevity plan designed for a dedicated biohacker. Disclaimer: Extreme Personalization Required This plan is a template for an advanced user. It is not medical advice.
Read the full answer
Qwen3.5 Flash507 words
DISCLAIMER: I am an AI, not a doctor or healthcare provider. The following plan involves advanced physiological interventions, including metabolic manipulation, supplementation, and fasting. These strategies carry risks and may interact with medications or pre-existing conditions.
Read the full answer
Our Verdict
Gemini 2.5 Pro Experimental
Gemini 2.5 Pro Experimental
Qwen3.5 Flash
Qwen3.5 FlashRunner-up

Not enough votes to call it. On the specs, Gemini 2.5 Pro Experimental has the edge: bigger model tier, major provider backing.

Qwen3.5 Flash costs 5.0x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.5 Pro Experimental
Input
$1.00
Output
$2.00
Qwen3.5 Flash
Input
$0.10
10× cheaper
Output
$0.40
5.0× cheaper

Qwen3.5 Flash is cheaper on both: 10× input, 5.0× output.

Where to run it

3 hosts

Gemini 2.5 Pro Experimental2 hosts
HostInOutContextUptime
Google Vertex AI$1.25 in·$10.00 out·1M·98.7% upGoogle AI Studio$1.25 in·$10.00 out·1M·98.9% up
Qwen3.5 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.07 in·$0.26 out·1M·99.9% up

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

Writing DNA

Style Comparison

Similarity
70%

Qwen3.5 Flash uses 2.5x more emoji

Gemini 2.5 Pro Experimental
Qwen3.5 Flash
54%Vocabulary50%
15wSentence Length14w
0.35Hedging0.35
5.6Bold6.9
3.9Lists4.2
0.00Emoji0.03
0.39Headings1.00
0.17Transitions0.15
Based on 18 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Gemini 2.5 Pro Experimental is developed by Google AI while Qwen3.5 Flash is developed by Qwen. Gemini 2.5 Pro Experimental has a 1.0M token context window vs Qwen3.5 Flash's 1.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 2.5 Pro Experimental and Qwen3.5 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

Gemini 2.5 Pro Experimental costs $1/M input tokens and Qwen3.5 Flash costs $0.1/M input tokens. Qwen3.5 Flash is $0.90/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 Gemini 2.5 Pro Experimental and Qwen3.5 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.

Keep exploring

More comparisons

Against the newest arrivals

Gemini 2.5 Pro Experimental logoSolar Mini 4 logo
Gemini 2.5 Pro Experimental vs Solar Mini 4Landed Sep 2026
Qwen3.5 Flash logoQwen3.8 Max Prime logo
Qwen3.5 Flash vs Qwen3.8 Max PrimeLanded Sep 2026
Gemini 2.5 Pro Experimental logoGLM 5.3 Prime logo
Gemini 2.5 Pro Experimental vs GLM 5.3 PrimeLanded Sep 2026
Qwen3.5 Flash logoQwen3.8 Omni Flash logo
Qwen3.5 Flash vs Qwen3.8 Omni FlashLanded Sep 2026
Gemini 2.5 Pro Experimental logoCommand A+ logo
Gemini 2.5 Pro Experimental vs Command A+Landed Sep 2026
Qwen3.5 Flash logoClaude Opus 5.5 logo
Qwen3.5 Flash vs Claude Opus 5.5Landed Sep 2026
Gemini 2.5 Pro Experimental logoGPT-6 Luna Pro logo
Gemini 2.5 Pro Experimental vs GPT-6 Luna ProLanded Sep 2026
Qwen3.5 Flash logoGPT-6 Sol Pro logo
Qwen3.5 Flash vs GPT-6 Sol ProLanded Sep 2026

Same lab, same size, long tail

Gemini 2.5 Pro Experimental logoGemini 2.5 Flash Preview logo
Gemini 2.5 Pro Experimental vs Gemini 2.5 Flash PreviewVersion compare
Gemini 2.5 Pro Experimental logoGemini 3.8 Flash logo
Gemini 2.5 Pro Experimental vs Gemini 3.8 FlashSame lab
Qwen3.5 Flash logoQwen3.5 122B A10B logo
Qwen3.5 Flash vs Qwen3.5 122B A10BVersion compare
Qwen3.5 Flash logoQwen3.7 Flash logo
Qwen3.5 Flash vs Qwen3.7 FlashSame lab
Qwen3.5 Flash logoClaude 3 Sonnet logo
Qwen3.5 Flash vs Claude 3 SonnetNew provider
Gemini 2.5 Pro Experimental logoClaude Sonnet 3.6 (2022-10-22) logo
Gemini 2.5 Pro Experimental vs Claude Sonnet 3.6 (2022-10-22)New provider
Gemini 2.5 Pro Experimental logoClaude 3.7 Sonnet logo
Gemini 2.5 Pro Experimental vs Claude 3.7 SonnetNew provider
Gemini 2.5 Pro Experimental logoClaude 3.7 Thinking Sonnet logo
Gemini 2.5 Pro Experimental vs Claude 3.7 Thinking SonnetNew provider

Model pages

Gemini 2.5 Pro Experimental logo
Gemini 2.5 Pro Experimental44 outputs, specs and price
Qwen3.5 Flash logo
Qwen3.5 Flash53 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed