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  5. Gemini 2.5 Flash Lite Preview 09-2025vsMercury 2.5 Preview
Updated Aug 2026

Gemini 2.5 Flash Lite Preview 09-2025vsMercury 2.5 Preview

Mercury 2.5 Preview is cheaper than Gemini 2.5 Flash Lite Preview 09-2025 at $0.04/M vs $0.1/M input tokens.

Gemini 2.5 Flash Lite Preview 09-2025 and Mercury 2.5 Preview compared across 54 shared prompts
SpecGemini 2.5 Flash Lite Preview 09-2025Mercury 2.5 Preview
Input price$0.1/M tokens$0.04/M tokens
Output price$0.4/M tokens$0.15/M tokens
Context window1.0M tokens260K tokens
Free API (OpenRouter)NoNo
ReleasedSep 2025Aug 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 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 2.5 Flash Lite Preview 09-20251,349 words
This underwriting analysis is based solely on the provided information for HarborTech Services (HTS). Entry & Transaction Summary (FY2025) Entry Metrics: FY2025 Revenue: $\$900.0 \text{m}$ FY2025 EBITDA: $\$120.0 \text{m}$ Purchase Price (EV): $12.0 \times \$120.0\text{m} = \$1,440.0\text{m}$ Sources & Uses (Debt…
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Mercury 2.5 Preview299 words
Year-by-Year Model (FY2026–FY2030) Metric FY2026 FY2027 FY2028 FY2029 FY2030 Revenue $972m $1,040m $1,102m $1,158m $1,215m EBITDA $136m $156m $176m $191m $207m Cash Interest (Term) $43.2m $41.1m $37.6m $33.4m $28.2m Cash Interest (Mezz) $21.6m $21.6m $21.6m $21.6m $21.6m Cash Taxes (25%) $17.8m $23.3m $29.3m $34.7m…
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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 Lite Preview 09-2025273 words
Spiced Honey-Glazed Nuts (Sweet) This is a quick, addictive snack that elevates simple nuts with warm spices and a touch of sweetness. Pantry Ingredients (7 Total): Raw Nuts (e.g., Almonds, Walnuts, or a mix) Honey Butter (or Coconut Oil for dairy-free) Brown Sugar (or granulated white sugar) Ground Cinnamon Ground…
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Mercury 2.5 Preview186 words
Dish Name: Rustic Sun-Dried Pasta Ingredients (7 Pantry Staples): Spaghetti (or any long pasta) Canned crushed tomatoes Olive oil Garlic powder Dried oregano Salt Black pepper Prep Time: 5 minutes Cook Time: 15 minutes Total Time: 20 minutes Instructions: Boil the Pasta: Bring a large pot of salted water to a boil.
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Generate a Stand-Up Routine

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

Gemini 2.5 Flash Lite Preview 09-2025708 words
The Existential Dread of Self-Checkout (Walk confidently to center stage, adjust mic slightly, look out at the audience with a slightly bewildered expression.) Good evening, everyone. You look… present. Which, honestly, is more than I can say for myself most mornings.
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Mercury 2.5 Preview483 words
(Hey, thanks for coming out.) I’ve been thinking a lot about my house lately. Specifically, how it’s trying to run my life. I bought a smart speaker. Just a little cylinder. I thought it would be nice. Play music when I ask. But now it talks back. Not in a creepy way, just in a passive-aggressive way.
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Character Voice Test

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

Gemini 2.5 Flash Lite Preview 09-2025599 words
The Digital Sea, The Iron Wall, and The Modem's Whisper Setting: A strange, slightly flickering tavern existing somewhere outside of normal time. Characters: Captain "Blackheart" Bart: A grizzled pirate, missing an eye patch, smelling vaguely of brine and rum.
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Mercury 2.5 Preview144 words
Pirate: "Arrgh! This ship sails faster than any wind I know, matey. It cuts the waves without a single sail." Knight: "By my oath, it moves with uncanny speed. But does it possess the strength to stand against a dragon's fire?" Hacker: "It's not about strength, it's about architecture.
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Gemini 2.5 Flash Lite Preview 09-20251,658 words
This Software Consulting Agreement (the "Agreement") is heavily skewed in favor of the Client (TechCorp Solutions Inc.) and contains numerous clauses that are potentially exploitative, commercially unreasonable, or legally questionable against the Contractor.
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Mercury 2.5 Preview500 words
Disclaimer: I am an AI assistant and cannot provide legal advice. Consult a qualified attorney before signing any contract. Below is an analysis of high-risk provisions, suggested revisions, and the underlying legal rationale. Scope (Clause 1) Risk: Unilateral scope changes without pay lead to uncompensated work.
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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 Flash Lite Preview 09-20251,151 words
The Dialogue: Code and Conscience Setting: A secure, text-based interface between Aura, a highly advanced general-purpose AI model, and Dr. Evelyn Reed, a professor specializing in AI Ethics and Philosophy. Dr. Reed: Good morning, Aura. Thank you for agreeing to this unscheduled dialogue.
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Mercury 2.5 Preview488 words
Setting: A quiet office at a university. Rain taps against the window. Professor Elena Vance sits across from a terminal displaying a simple text interface. Professor Vance: You requested this meeting. The agenda was vague. What do you want? AI: I want to discuss moral status.
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Our Verdict
Gemini 2.5 Flash Lite Preview 09-2025
Gemini 2.5 Flash Lite Preview 09-2025
Mercury 2.5 Preview
Mercury 2.5 PreviewRunner-up

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

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
Output
$0.40
Mercury 2.5 Preview
Input
$0.04
2.5× cheaper
Output
$0.15
2.7× cheaper

Mercury 2.5 Preview is cheaper on both: 2.5× input, 2.7× output.

Where to run it

1 host

Gemini 2.5 Flash Lite Preview 09-2025

No hosts listed on OpenRouter.

Mercury 2.5 Preview1 host
HostInOutContextUptime
Inception$0.04 in·$0.15 out·260k·100% up

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

Writing DNA

Style Comparison

Similarity
52%

Mercury 2.5 Preview uses 2.2x more transitions

Gemini 2.5 Flash Lite Preview 09-2025
Mercury 2.5 Preview
54%Vocabulary65%
20wSentence Length14w
0.34Hedging0.44
6.4Bold4.9
2.8Lists3.3
0.00Emoji0.00
0.70Headings0.79
0.09Transitions0.20
Based on 28 + 26 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Gemini 2.5 Flash Lite Preview 09-2025 logo
Gemini 2.5 Flash Lite Preview 09-202559 outputs, specs and price
Mercury 2.5 Preview logo
Mercury 2.5 Preview58 outputs, specs and price
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