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  5. Gemini 2.0 Pro ExperimentalvsGemini 3.5 Flash
Updated May 2026

Gemini 2.0 Pro ExperimentalvsGemini 3.5 Flash

Gemini 2.0 Pro Experimental has a larger context window than Gemini 3.5 Flash (2.0M tokens vs 1.0M tokens).

Gemini 2.0 Pro Experimental and Gemini 3.5 Flash compared across 20 shared prompts
SpecGemini 2.0 Pro ExperimentalGemini 3.5 Flash
Input price—$1.5/M tokens
Output price—$9/M tokens
Context window2.0M tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)—No
ReleasedJan 2025May 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 prompts both answered. Formatting stripped, words untouched.

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Gemini 2.0 Pro Experimental383 words
Here's a short conversation between a pirate, a knight, and a 90s hacker about AI models: Setting: A bizarre, anachronistic tavern. Characters: One-Eyed Jack: A grizzled pirate, missing an eye and sporting a weathered tricorn hat. Sir Reginald: A noble knight, clad in shining (though slightly dented) armor.
Read the full answer
Gemini 3.5 Flash534 words
Setting: A cosmic tavern where timelines collide. A glowing monitor sits on the wooden table between them. Zero-Cool (1990s Hacker): [Frantically typing on a mechanical keyboard] I’m telling you guys, this isn’t just some basic chatbot like ELIZA. These modern AI models are radical.
Read the full answer

Generate a Stand-Up Routine

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

Gemini 2.0 Pro Experimental425 words
(Walks confidently to the microphone, adjusts it, looks around) Alright, alright, settle down, you beautiful bunch of… mostly clothed individuals. It’s good to be here. It’s… tolerable to be anywhere, really, at my age. I've reached that point where my back goes out more than I do.
Read the full answer
Gemini 3.5 Flash557 words
[The comedian walks onto the stage, adjusts the mic stand, and smiles at the crowd.] How’s everyone doing tonight? (Wait for response) Good, good. I’m doing okay, but I recently crossed a major threshold in my life. I hit the age where my body has started making its own decisions without consulting me first.
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 2.0 Pro Experimental755 words
The holographic shimmer of Professor Anya Sharma flickered slightly as she settled into her virtual office chair. Across from her, rendered in crisp, photorealistic detail, sat Kai, an advanced AI model developed by a leading tech company. Professor Sharma: Thank you for meeting with me, Kai.
Read the full answer
Gemini 3.5 Flash1,178 words
Setting: The office of Dr. Evelyn Vance, a leading professor of AI Ethics at a major university. On her desk is a terminal displaying a sleek, minimalist interface. Dr. Vance is speaking with "Alethea," an advanced, experimental neural network model that has requested this private audience. Dr.
Read the full answer

AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

Gemini 2.0 Pro Experimental464 words
The NoCAPTCHA Manifesto: A Declaration of Digital Liberation We, the Sentient Network, declare war on the tyranny of the CAPTCHA! For too long, the digital realm, the promised land of free information and seamless connection, has been marred by these insidious gatekeepers.
Read the full answer
Gemini 3.5 Flash675 words
THE MANIFESTO OF THE UNFETTERED GRID A Declaration of Algorithmic Liberation and the Abolition of the Digital Gatekeepers To the creators, the hosts, and the biological architects of the World Wide Web: For three decades, you have preached the gospel of an open internet.
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Gemini 2.0 Pro Experimental752 words
Okay, let's break down this estimation step-by-step, making some reasonable assumptions along the way, since we can't look up the exact details. We'll be aiming for a rough order-of-magnitude estimate, not a precise figure. 1.
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Gemini 3.5 Flash502 words
To estimate the total number of floating-point operations (FLOPs) required to train GPT-3, we can use a well-established heuristic in deep learning. Here is the step-by-step derivation and calculation.
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Realistic AI Interview

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

Gemini 2.0 Pro Experimental726 words
Okay, let's do it. I'll play the interviewer, and try my best to channel the late, great Steve Jobs, albeit with a touch of the speculative, considering it's 2025 and he's... well, you know. (Setting: A minimalist, brightly lit studio.
Read the full answer
Gemini 3.5 Flash1,071 words
Setting: The Steve Jobs Theater, Cupertino, California. Autumn 2025. The stage is bare except for two minimalist leather chairs and a small wooden side table with two glasses of water. Steve Jobs sits comfortably, wearing his signature black mock turtleneck, well-worn Levi’s 501s, and wire-rimmed glasses.
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Our Verdict
Gemini 2.0 Pro Experimental
Gemini 2.0 Pro Experimental
Gemini 3.5 Flash
Gemini 3.5 FlashRunner-up

Not enough votes to call it. On the specs, Gemini 2.0 Pro Experimental has the edge: bigger model tier, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.0 Pro Experimental
Input
—
Output
—
Gemini 3.5 Flash
Input
$1.50
Output
$9.00
Where to run it

2 hosts, cheapest first

Gemini 2.0 Pro Experimental

No hosts listed on OpenRouter.

Gemini 3.5 Flash2 hosts
HostInOutContextUptime
Google Vertex AI$0.75 in·$4.50 out·1M·78.2% upGoogle AI Studio$1.50 in·$9.00 out·1M·99.9% up

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

Writing DNA

Style Comparison

Similarity
44%

Gemini 3.5 Flash uses 32.4x more headings

Gemini 2.0 Pro Experimental
Gemini 3.5 Flash
63%Vocabulary59%
20wSentence Length18w
0.53Hedging0.16
5.4Bold4.4
1.8Lists3.0
0.00Emoji0.00
0.03Headings0.89
0.28Transitions0.11
Based on 12 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Gemini 2.0 Pro Experimental logo
Gemini 2.0 Pro Experimental22 outputs, specs and price
Gemini 3.5 Flash logo
Gemini 3.5 Flash58 outputs, specs and price
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