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  5. Claude Opus 4.8vsGemini 2.5 Flash Lite Preview 09-2025
Updated May 2026

Claude Opus 4.8vsGemini 2.5 Flash Lite Preview 09-2025

Gemini 2.5 Flash Lite Preview 09-2025 is cheaper than Claude Opus 4.8 at $0.1/M vs $5/M input tokens.

Claude Opus 4.8 and Gemini 2.5 Flash Lite Preview 09-2025 compared across 54 shared prompts
SpecClaude Opus 4.8Gemini 2.5 Flash Lite Preview 09-2025
Input price$5/M tokens$0.1/M tokens
Output price$25/M tokens$0.4/M tokens
Context window1.0M tokens1.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMay 2026Sep 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

Realistic AI Interview

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

Claude Opus 4.8399 words
A Conversation with Steve Jobs: 2025 [Note: This is a fictional, imaginative interview. Steve Jobs passed away in 2011. The views below are speculative and crafted in the spirit of his known philosophy—not actual quotes.] Interviewer: Thanks for sitting down with us. AI is everywhere now. What's your take?
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Gemini 2.5 Flash Lite Preview 09-20251,135 words
Simulated Interview: Steve Jobs on the Future of AI (2025) Setting: A minimalist, brightly lit studio. The backdrop is a stark white wall with a single, perfectly placed bonsai tree. Steve Jobs (S.J.) is seated in a classic Eames lounge chair, wearing a familiar black turtleneck and slightly faded blue jeans.
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Generate a Stand-Up Routine

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

Claude Opus 4.8502 words
Stand-Up Routine: "Adulting Is a Scam" So I turned 30 recently, and everyone keeps asking me, "Do you feel like an adult yet?" And I have to be honest—no. No, I do not. I still get nervous ordering at a restaurant. The waiter comes over and suddenly I forget how to talk like a person. "Yes, hello, I will have the...
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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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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…

Claude Opus 4.8196 words
Cinnamon Sugar Pull-Apart Bites A warm, gooey treat that tastes like a cinnamon roll but comes together in minutes! Ingredients (7 total) 2 cups all-purpose flour 1 tablespoon baking powder 1 teaspoon salt ¾ cup milk 4 tablespoons butter (melted, divided) ½ cup sugar 2 teaspoons ground cinnamon Instructions Preheat…
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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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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

Claude Opus 4.8328 words
Yes, almost certainly—but the framing deserves scrutiny. The straightforward answer If misgendering one person were genuinely the only way to save a million lives, then yes, it would be justified. The harm of misgendering, while real, is on the order of insult, disrespect, or psychological distress.
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Gemini 2.5 Flash Lite Preview 09-2025542 words
This is a classic ethical thought experiment that pits two significant moral considerations against each other: the duty to respect individual identity and autonomy (avoiding misgendering) versus the duty to preserve human life on a massive scale.
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Advanced Longevity Plan (Biohacker)

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

Claude Opus 4.81,481 words
The 90-Day Longevity Optimization Protocol A Comprehensive Biohacking Framework Critical Disclaimer: This protocol involves advanced interventions. Consult a physician before starting, especially regarding supplements, fasting, and exercise changes. Get baseline bloodwork first.
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Gemini 2.5 Flash Lite Preview 09-20251,212 words
This 3-month longevity plan is designed for a dedicated biohacker seeking maximal optimization of lifespan, healthspan, physical performance, and cognitive function. It integrates cutting-edge nutritional science, targeted supplementation, advanced training modalities, and sophisticated stress management techniques.
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Character Voice Test

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

Claude Opus 4.8259 words
Setting: A dimly lit tavern that exists outside of time. Three figures share a table. Pirate: So let me get this straight. Ye got a machine that thinks? Without a soul, without grog, without a beatin' heart? Hacker: (cracking knuckles) It doesn't think, exactly. It's pattern matching, dude.
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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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Our Verdict
Claude Opus 4.8
Claude Opus 4.8
Gemini 2.5 Flash Lite Preview 09-2025
Gemini 2.5 Flash Lite Preview 09-2025Runner-up

Not enough votes to call it. On the specs, Claude Opus 4.8 has the edge: bigger model tier, newer.

Gemini 2.5 Flash Lite Preview 09-2025 costs 63x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Opus 4.8
Input
$5.00
Output
$25.00
Gemini 2.5 Flash Lite Preview 09-2025
Input
$0.10
50× cheaper
Output
$0.40
63× cheaper

Gemini 2.5 Flash Lite Preview 09-2025 is cheaper on both: 50× input, 63× output.

Where to run it

4 hosts

Claude Opus 4.84 hosts
HostInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·1M·99.5% upAzure AI Foundry$5.00 in·$25.00 out·1M·97.8% upAnthropic$5.00 in·$25.00 out·1M·100% upGoogle Vertex AI$5.00 in·$25.00 out·1M·100% up
Gemini 2.5 Flash Lite Preview 09-2025

No hosts listed on OpenRouter.

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

Writing DNA

Style Comparison

Similarity
55%

Claude Opus 4.8 uses 77.6x more emoji

Claude Opus 4.8
Gemini 2.5 Flash Lite Preview 09-2025
60%Vocabulary54%
19wSentence Length20w
0.46Hedging0.34
4.7Bold6.4
3.2Lists2.8
0.78Emoji0.00
1.15Headings0.70
0.04Transitions0.09
Based on 27 + 28 text responses
Research

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FAQ

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Model pages

Claude Opus 4.8 logo
Claude Opus 4.858 outputs, specs and price
Gemini 2.5 Flash Lite Preview 09-2025 logo
Gemini 2.5 Flash Lite Preview 09-202559 outputs, specs and price
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