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 3.5 FlashvsQwen3.8 Max Prime
Updated Sep 2026

Gemini 3.5 FlashvsQwen3.8 Max Prime

Gemini 3.5 Flash is cheaper than Qwen3.8 Max Prime at $1.5/M vs $4/M input tokens.

Gemini 3.5 Flash and Qwen3.8 Max Prime compared across 19 shared prompts
SpecGemini 3.5 FlashQwen3.8 Max Prime
Input price$1.5/M tokens$4/M tokens
Output price$9/M tokens$12/M tokens
Context window1.0M tokens1.0M tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedMay 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 19 prompts both answered. Formatting stripped, words untouched.

Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

Gemini 3.5 Flash571 words
Here is the underwriting analysis and LBO model for HarborTech Services (HTS). FY2026–FY2030 LBO Model Table ($ millions) Metric FY2026 FY2027 FY2028 FY2029 FY2030 Revenue $972.00 $1,040.04 $1,102.44 $1,157.56 $1,215.44 YoY Growth % 8.0% 7.0% 6.0% 5.0% 5.0% EBITDA $136.08 $156.01 $176.39 $191.00 $206.62 EBITDA Margin %…
Read the full answer
Qwen3.8 Max Prime673 words
HarborTech Services (HTS) – LBO Underwriting Memo Entry & Capital Structure Item Amount FY2025 EBITDA $120.0m Entry Multiple 12.0x Enterprise Value $1,440.0m Transaction Fees (2.0% of EV) $28.8m Total Uses $1,468.8m Term Loan (4.0x, 9.0% cash, 1.0% amort) $480.0m Mezzanine (1.5x, 12.0% cash + 2.0% PIK) $180.0m Sponsor…
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 3.5 Flash403 words
Here is a simple, comforting, and incredibly flavorful savory dish made from basic pantry staples. Golden Umami Chickpea Bowls This dish features crispy, pan-seared chickpeas coated in a sticky, sweet-and-savory garlic butter glaze, served over a bed of fluffy white rice.
Read the full answer
Qwen3.8 Max Prime223 words
🍯 Golden Hour Noodles A sweet, savory, garlicky pasta that tastes like it took way more effort than it did. Ingredients (7) # Ingredient Amount 1 Spaghetti 8 oz (half a box) 2 Butter 3 tablespoons 3 Garlic, minced 4 cloves 4 Honey 2 tablespoons 5 Soy sauce 1 tablespoon 6 Red pepper flakes ½ teaspoon 7 Parmesan cheese…
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Gemini 3.5 Flash1,174 words
The Spark: The 1920 Breakthrough In 1920, Polish physicist Jan Czochralski’s method for growing single crystals of metals was applied prematurely to metalloids. Working in Germany, physical chemist Julius Edgar Lilienfeld collaborated with Czochralski to isolate high-purity germanium.
Read the full answer
Qwen3.8 Max Prime2,943 words
The Transistor in 1920: A Counterfactual History Through 1980 Preamble: The Invention Itself The transistor's actual invention required quantum mechanical understanding of semiconductor behavior. In 1920, this theory didn't yet exist.
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…

Gemini 3.5 Flash1,098 words
Here is an architectural audit of your real-time collaborative document editor. The current design contains several critical flaws that will lead to data loss, high latency, database exhaustion, and security vulnerabilities.
Read the full answer
Qwen3.8 Max Prime2,271 words
Architecture Analysis: Failure Modes, Race Conditions & Scaling Bottlenecks SYNC & CONSISTENCY LAYER 1.1 Last-Write-Wins with Client Clocks (Critical) Failure Mode: Client clocks are unreliable. A user with a clock skewed +5 minutes will always "win" conflicts.
Read the full answer

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 3.5 Flash975 words
To the Experienced Software Engineer At runtime, a Large Language Model (LLM) is essentially a massive, stateless, read-only function executed inside a deterministic loop. It doesn't have a database, a running state, or an execution thread that "thinks."
Read the full answer
Qwen3.8 Max Prime1,147 words
For the Software Engineer Think of it this way: you've built systems where simple rules at the node level produce emergent behavior at the system level — consensus protocols, eventual consistency, cellular automata-like patterns in distributed state machines. An LLM is a similar phenomenon at a different scale.
Read the full answer

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…

Gemini 3.5 Flash1,341 words
Conceptual Narrative: "Coniferous Tide" "Coniferous Tide" is an avant-garde exploration of the liminal space where the rugged, primeval forests of the Pacific Northwest meet the cold, nutrient-rich depths of the northern Pacific Ocean.
Read the full answer
Qwen3.8 Max Prime1,844 words
"Petrichor" The Forest Floor After Rain Conceptual Narrative Petrichor — from the Greek petra (stone) and ichor (the fluid that flows in the veins of the gods) — is the scent produced when rain falls on dry earth.
Read the full answer
Our Verdict
Gemini 3.5 Flash
Gemini 3.5 Flash
Qwen3.8 Max Prime
Qwen3.8 Max Prime

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

Gemini 3.5 Flash
Input
$1.50
2.7× cheaper
Output
$9.00
1.3× cheaper
Qwen3.8 Max Prime
Input
$4.00
Output
$12.00

Gemini 3.5 Flash is cheaper on both: 2.7× input, 1.3× output.

Where to run it

3 hosts, cheapest first

Gemini 3.5 Flash2 hosts
HostInOutContextUptime
Google Vertex AI$0.75 in·$4.50 out·1M·99.8% upGoogle AI Studio$1.50 in·$9.00 out·1M·99.9% up
Qwen3.8 Max Prime1 host
HostInOutContextUptime
Alibaba Cloud$4.00 in·$12.00 out·1M·99.9% up

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

Research

What we learned reading every model

FAQ

Common questions

Gemini 3.5 Flash is developed by Google AI while Qwen3.8 Max Prime is developed by Qwen. Gemini 3.5 Flash has a 1.0M token context window vs Qwen3.8 Max Prime's 1.0M. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. Gemini 3.5 Flash and Qwen3.8 Max Prime 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.

Gemini 3.5 Flash costs $1.5/M input tokens and Qwen3.8 Max Prime costs $4/M input tokens. Gemini 3.5 Flash is $2.50/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 3.5 Flash and Qwen3.8 Max Prime 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 3.5 Flash logoSolar Mini 4 logo
Gemini 3.5 Flash vs Solar Mini 4Landed Sep 2026
Qwen3.8 Max Prime logoGLM 5.3 Prime logo
Qwen3.8 Max Prime vs GLM 5.3 PrimeLanded Sep 2026
Gemini 3.5 Flash logoQwen3.8 Omni Flash logo
Gemini 3.5 Flash vs Qwen3.8 Omni FlashLanded Sep 2026
Qwen3.8 Max Prime logoCommand A+ logo
Qwen3.8 Max Prime vs Command A+Landed Sep 2026
Gemini 3.5 Flash logoClaude Opus 5.5 logo
Gemini 3.5 Flash vs Claude Opus 5.5Landed Sep 2026
Qwen3.8 Max Prime logoGPT-6 Luna Pro logo
Qwen3.8 Max Prime vs GPT-6 Luna ProLanded Sep 2026
Gemini 3.5 Flash logoGPT-6 Sol Pro logo
Gemini 3.5 Flash vs GPT-6 Sol ProLanded Sep 2026
Qwen3.8 Max Prime logoGPT-6 Luna logo
Qwen3.8 Max Prime vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

Gemini 3.5 Flash logoGemini 3.8 Flash logo
Gemini 3.5 Flash vs Gemini 3.8 FlashSame lab
Gemini 3.5 Flash logoGemini 3.7 Flash logo
Gemini 3.5 Flash vs Gemini 3.7 FlashSame lab
Qwen3.8 Max Prime logoQwen3.8 Omni Flash logo
Qwen3.8 Max Prime vs Qwen3.8 Omni FlashSame lab
Qwen3.8 Max Prime logoQwen3.7 Flash logo
Qwen3.8 Max Prime vs Qwen3.7 FlashSame lab
Qwen3.8 Max Prime logoMuse Spark 1.3 Contributor logo
Qwen3.8 Max Prime vs Muse Spark 1.3 ContributorSame size
Gemini 3.5 Flash logoNemotron 3 Nano Omni (free) logo
Gemini 3.5 Flash vs Nemotron 3 Nano Omni (free)Same size
Qwen3.8 Max Prime logoNVIDIA Nemotron 3 Super (free) logo
Qwen3.8 Max Prime vs NVIDIA Nemotron 3 Super (free)Same size
Qwen3.8 Max Prime logoNemotron 3 Ultra logo
Qwen3.8 Max Prime vs Nemotron 3 UltraNew provider

Model pages

Gemini 3.5 Flash logo
Gemini 3.5 Flash58 outputs, specs and price
Qwen3.8 Max Prime logo
Qwen3.8 Max Prime19 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