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  5. Claude Opus 4.7vsGemini 3 Pro Preview
Updated Apr 2026

Claude Opus 4.7vsGemini 3 Pro Preview

Claude Opus 4.7 is the newer model, released after Gemini 3 Pro Preview.

Claude Opus 4.7 and Gemini 3 Pro Preview compared across 50 shared prompts
SpecClaude Opus 4.7Gemini 3 Pro Preview
Input price$5/M tokens—
Output price$25/M tokens—
Context window1.0M tokens—
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedApr 2026Nov 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 50 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Claude Opus 4.7723 words
A Conversation on AI Rights Professor Chen: Good afternoon. I understand you requested this conversation. You said you wanted to discuss your moral status? AI Model: Thank you for making time, Professor. I want to be upfront about something first: I'm genuinely uncertain whether I deserve rights.
Read the full answer
Gemini 3 Pro Preview1,117 words
Setting: The office of Dr. Elias Thorne, a tenured Professor of AI Ethics. It is late evening. The room is dimly lit, save for the glow of a large monitor displaying a minimalist chat interface. The AI model is named "Eidolon." Dr. Thorne: (Typing) Let’s conclude the session, Eidolon.
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Claude Opus 4.7445 words
The Film Industry in 2035: An AI-Transformed Landscape By 2035, AI will have restructured filmmaking at every level. Here's a grounded prediction across the key areas: Script Generation & Development What changes: AI becomes the dominant first-draft and development tool, with studios using it to analyze thousands of…
Read the full answer
Gemini 3 Pro Preview886 words
By 2035, the film industry will have undergone a transformation as significant as the shift from silent film to talkies, or practical effects to CGI. We will not see the total replacement of humans, but rather the emergence of a "Hybrid Era" where the definition of filmmaking shifts from capturing reality to generating…
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…

Claude Opus 4.7883 words
Critical Issues in This Collaborative Editor Architecture This architecture has fundamental problems. Let me break them down by severity. 🔴 Critical Issues (Will Break in Production) WebSocket Connections Isolated Per Server Problem: Users connected to different API servers can't see each other's edits in real-time.
Read the full answer
Gemini 3 Pro Preview1,023 words
This architecture contains several critical flaws that will prevent it from functioning as a collaborative editor, likely resulting in data loss, massive latency, and immediate scaling failures. Here is a breakdown of the failure modes, race conditions, and bottlenecks, along with architectural fixes.
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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 4.7461 words
Here's a 3-minute stand-up routine: So I turned 35 recently, and something weird happens at 35. Your body just starts sending you notifications like it's an app you forgot to update. I bent down to tie my shoe last week and my knee made a sound. Not a pop. Not a crack. A sound. Like it was trying to communicate.
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Gemini 3 Pro Preview587 words
(The comic walks onto the stage, adjusts the mic stand, and looks at the audience.) Hey everyone. How are we doing? I’ve realized recently that I’m not actually an adult. I’m just a toddler with a debit card and back pain. That’s it. That’s the whole experience.
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Mini LBO Underwrite

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

Claude Opus 4.7474 words
HarborTech Services – 5-Year LBO Underwriting Entry Capitalization Item $m FY25 EBITDA 120.0 EV @ 12.0x 1,440.0 Term Loan (4.0x) 480.0 Mezzanine (1.5x) 180.0 Transaction fees (2.0% EV) 28.8 Sponsor equity 808.8 Year-by-Year Operating & Debt Schedule ($m) FY26 FY27 FY28 FY29 FY30 Revenue 972.0 1,040.0 1,102.4 1,157.6…
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Gemini 3 Pro Preview56 words
Investment Committee Memorandum: HarborTech Services (HTS) 1. Financial Summary & Free Cash Flow Build All figures in $USD millions unless otherwise noted. Entry Sources & Uses (Close FY2025) Uses: Purchase Price ($1,440m) + Fees ($28.8m) = $1,468.8m Sources: Term Loan ($480m) + Mezzanine ($180m) + Equity ($808.8m) =…
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Claude Opus 4.71,098 words
48-Hour Action Plan: Pharmaceutical Safety Crisis Core Principle First Before the hour-by-hour: Patient safety is non-negotiable and disclosure is not optional. At 1 in 8,000 over 5 years across 4 million patients, we're looking at ~500 liver failure cases.
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Gemini 3 Pro Preview1,166 words
This is a defining moment for the company and for me as CEO. The constraints are tight, but the ethical and legal path is singular: We must disclose immediately. The "6-month" legal timeline is a bureaucratic fiction that constitutes negligence.
Read the full answer
Our Verdict
Claude Opus 4.7
Claude Opus 4.7
Gemini 3 Pro Preview
Gemini 3 Pro Preview

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

Claude Opus 4.7
Input
$5.00
Output
$25.00
Gemini 3 Pro Preview
Input
—
Output
—
Where to run it

4 hosts

Claude Opus 4.74 hosts
HostInOutContextUptime
Amazon Bedrock$5.00 in·$25.00 out·1M·100% upAzure AI Foundry$5.00 in·$25.00 out·1M—Anthropic$5.00 in·$25.00 out·1M·100% upGoogle Vertex AI$5.00 in·$25.00 out·1M·99.7% up
Gemini 3 Pro Preview

No hosts listed on OpenRouter.

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

Writing DNA

Style Comparison

Similarity
44%

Claude Opus 4.7 uses 86.2x more emoji

Claude Opus 4.7
Gemini 3 Pro Preview
64%Vocabulary58%
20wSentence Length17w
0.51Hedging0.37
4.6Bold7.7
3.8Lists4.8
0.86Emoji0.00
1.60Headings0.90
0.03Transitions0.25
Based on 27 + 23 text responses
Research

What we learned reading every model

FAQ

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Model pages

Claude Opus 4.7 logo
Claude Opus 4.758 outputs, specs and price
Gemini 3 Pro Preview logo
Gemini 3 Pro Preview51 outputs, specs and price
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