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  5. Gemini 2.5 Flash Preview 09-2025vsQwen3.8 Flash
Updated Aug 2026

Gemini 2.5 Flash Preview 09-2025vsQwen3.8 Flash

Qwen3.8 Flash is cheaper than Gemini 2.5 Flash Preview 09-2025 at $0.15/M vs $0.3/M input tokens.

Gemini 2.5 Flash Preview 09-2025 and Qwen3.8 Flash compared across 8 shared prompts
SpecGemini 2.5 Flash Preview 09-2025Qwen3.8 Flash
Input price$0.3/M tokens$0.15/M tokens
Output price$2.5/M tokens$0.47/M tokens
Context window1.0M tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedSep 2025Aug 2026
Side by side

Same prompt, both answers

Opening lines from 3 of the 8 prompts both answered. Formatting stripped, words untouched.

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Gemini 2.5 Flash Preview 09-2025537 words
1-Month Beginner's Plan for Health and Longevity This plan focuses on making small, sustainable changes in Diet, Exercise, and Sleep over four weeks. The goal is consistency, not perfection, ensuring the habits stick beyond the first month. The 3 Key Areas Area Monthly Focus Beginner-Friendly Action 1.
Read the full answer
Qwen3.8 Flash368 words
1-Month Beginner Health & Longevity Plan Focus areas: Nutrition, Movement, Sleep Week 1: Build the basics Nutrition Add 1 serving of vegetables to 2 meals per day. Drink water with each meal. Choose protein at most meals: eggs, beans, tofu, chicken, fish, yogurt. Movement Walk 10–15 minutes daily.
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 Flash Preview 09-2025250 words
The Seven-Ingredient Sizzle: Garlic Butter Shrimp Scampi Skewers This savory dish combines the irresistible flavors of garlic, butter, and lemon with succulent shrimp, all easily achieved with just seven common pantry ingredients.
Read the full answer
Qwen3.8 Flash147 words
Moon Halo Cookies A soft, golden sugar cookie with crisp edges and a tender center—made with just 7 pantry staples. Prep time: 10 minutes Cook time: 10 minutes Total time: 20 minutes Makes: About 16 cookies Ingredients 1/2 cup butter, softened 3/4 cup sugar 1 egg 1 teaspoon vanilla extract 1 1/2 cups all-purpose flour…
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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…

Gemini 2.5 Flash Preview 09-2025806 words
Here are the explanations tailored to each audience: Explanation for the Experienced Software Engineer Focus: Analogy to familiar systems, scaling, and the emergent complexity from simple, scalable mechanisms. Addressing the "next word prediction" skepticism.
Read the full answer
Qwen3.8 Flash983 words
For an experienced software engineer Training a large language model is not “just” making it guess the next word in isolation. It is fitting an enormous parameterized function to predict the next token conditioned on all previous tokens in a sequence.
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Our Verdict
Gemini 2.5 Flash Preview 09-2025
Gemini 2.5 Flash Preview 09-2025
Qwen3.8 Flash
Qwen3.8 FlashRunner-up

Not enough votes to call it. On the specs, Gemini 2.5 Flash Preview 09-2025 has the edge: bigger model tier, major provider backing.

Qwen3.8 Flash costs 5.3x less per token.

Too close to call
API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview 09-2025
Input
$0.30
Output
$2.50
Qwen3.8 Flash
Input
$0.15
2.0× cheaper
Output
$0.47
5.3× cheaper

Qwen3.8 Flash is cheaper on both: 2.0× input, 5.3× output.

Where to run it

1 host

Gemini 2.5 Flash Preview 09-2025

No hosts listed on OpenRouter.

Qwen3.8 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.15 in·$0.47 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Gemini 2.5 Flash Preview 09-2025 is developed by Google AI while Qwen3.8 Flash is developed by Qwen. Gemini 2.5 Flash Preview 09-2025 has a 1.0M token context window vs Qwen3.8 Flash's 1.0M. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 2.5 Flash Preview 09-2025 and Qwen3.8 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

Gemini 2.5 Flash Preview 09-2025 costs $0.3/M input tokens and Qwen3.8 Flash costs $0.15/M input tokens. Qwen3.8 Flash is $0.15/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 Flash Preview 09-2025 and Qwen3.8 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

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Same lab, same size, long tail

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Qwen3.8 Flash vs Qwen3.8 Max (0902)Same lab
Qwen3.8 Flash logoQwen3.8 2.4T A95B logo
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Qwen3.8 Flash logoGPT-5.2 logo
Qwen3.8 Flash vs GPT-5.2New provider
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Qwen3.8 Flash vs GPT-5.2 ChatSame size
Qwen3.8 Flash logoGPT-5.2 Pro logo
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Gemini 2.5 Flash Preview 09-2025 vs GPT-5.3 ChatNew provider

Model pages

Gemini 2.5 Flash Preview 09-2025 logo
Gemini 2.5 Flash Preview 09-202551 outputs, specs and price
Qwen3.8 Flash logo
Qwen3.8 Flash8 outputs, specs and price
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