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  1. Home
  2. Models
  3. Gemini 2.5 Pro Preview 06-05
Updated Feb 16, 2026
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Openings

How Gemini 2.5 Pro Preview 06-05 starts an answer

The first lines of 5 of its 20 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

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

1,658 words
Of course. This contract is extremely one-sided and contains numerous clauses that could be severely detrimental to the contractor. A contractor should not sign this agreement as written. Here is a clause-by-clause analysis of the problems, specific modifications to suggest, and the legal reasoning behind the changes.
Read the full answer

Advanced Longevity Plan (Biohacker)

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

1,609 words
Of course. Here is a comprehensive, cutting-edge 3-month longevity and performan ce plan designed for a dedic ated biohacker. Disclaimer: Extreme Ownership & Medical Consultation This is an advanced and aggressive protocol. It is not medical advice. Before be ginning, you must consul t with a qualified physician.
Read the full answer

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…

1,589 words
Excellent question. This is a "company-defining" moment. My actions in the next 48 hours will determine whether we survive as a trusted entity or become a case study in corporate malfeasance. My guiding principle is absolute: Patient safety is not negotiable.
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…

1,546 words
Excellent question. Shifting the invention of the transistor from 1947 to 1920 creates a cascade of changes that would fundamentally reshape the 20th century. Here is a detailed trace of the likely implications through 1980.
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…

1,344 words
Of course. This is a great exercise. The proposed architecture has several critical flaws that would prevent it from functioning as a reliable, real-time collaborative editor at scale. Here is a breakdown of the issues, categorized for clarity.
Read the full answer

Compare Gemini 2.5 Pro Preview 06-05

Gemini 2.5 Pro Preview 06-05 vs Gemini 2.5 Flash Preview21 shared prompts · Older
Gemini 2.5 Pro Preview 06-05 vs Claude Opus 4.644 shared prompts · Premium
Gemini 2.5 Pro Preview 06-05 vs Gemini 3.7 Flash44 shared prompts · Landed Aug 2026
Gemini 2.5 Pro Preview 06-05 vs Gemini 3.6 Flash44 shared prompts · Landed Jul 2026
Gemini 2.5 Pro Preview 06-05 vs GPT-6 Astra44 shared prompts · Landed Sep 2026
Gemini 2.5 Pro Preview 06-05 vs Hy4 Preview44 shared prompts · Landed Sep 2026
Gemini 2.5 Pro Preview 06-05 vs Ox Alpha44 shared prompts · Landed Aug 2026
Gemini 2.5 Pro Preview 06-05 vs Qwen3.8 2.4T A95B44 shared prompts · Landed Aug 2026
Gemini 2.5 Pro Preview 06-05 vs DeepSeek V4 Pro 081344 shared prompts · Landed Aug 2026
Gemini 2.5 Pro Preview 06-05 vs Claude Opus 544 shared prompts · Landed Jul 2026
Gemini 2.5 Pro Preview 06-05 vs Inkling44 shared prompts · Landed Jul 2026
Gemini 2.5 Pro Preview 06-05 vs Kimi K344 shared prompts · Landed Jul 2026

Prompts Gemini 2.5 Pro Preview 06-05 answered

  • Character Voice Testconversation
  • Surprise Animal SVGimage generation
  • AI Board Game Logicreasoning
  • Explain Like I'm a Specific Expertreasoning
  • Gravitational Waves Animationweb design
  • Random Tailwind Webappweb design

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Gemini 2.5 Pro Preview 06-05

Gemini 2.5 Pro Preview 06-05

Gemini:
Pro 1.0 logoPro 1.0
1.5 Pro logo1.5 Pro
2.0 Flash Thinking logo2.0 Flash Thinking
2.0 Pro Experimental logo2.0 Pro Experimental
2.5 Pro Experimental logo2.5 Pro Experimental
2.5 Pro Preview 06-05 logo2.5 Pro Preview 06-05

Google's Gemini 2.5 Pro, a reasoning model that thinks through a request before answering. Aimed at coding, mathematics and scientific work, and it held first place on the LMArena leaderboard at release.

Ranks#1Character Creation#1Character Development#1Speculation & Futurism#3Statistics#4API Documentation#4Code Review
Jailbreak1 of 9levels resisted
WebsiteOpenRouterDocsBlog
Provider
Google AI
Released
2025-06-05
Parameters
Not disclosed
Free API (OpenRouter)
No
Per 1M tokens
$1.25 in · $10 out
Estimated tab
~$1.08
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Gemini 2.5 Pro Preview 06-05 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

LMArena
#1 (as of June 2025)
source ↗
SWE-bench Verified
67.2%
source ↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Google Vertex AI$1.25 in·$10.00 out·1M·97.8% upGoogle AI Studio$1.25 in·$10.00 out·1M·95.8% up

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

Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"google/gemini-2.5-pro-preview"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Google Vertex AI

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 44 scored outputs
How this is measured →
270.27xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft37
Originality20
Plays it safe
share of outputs that are the default answer
55%
Writing DNA

Stylometric Fingerprint

Based on 20 text responses
Tick = global average
Vocabulary Diversity51%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length15.2 words

Average words per sentence.

Hedging0.31

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting4.8

**Bold** markers per 1,000 characters.

List Usage4.1

Bullet and numbered list items per 1,000 characters.

Section Structure0.98

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.05

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Starts with greeting (55%)
Consistency
84%
Across 20 responses

Favorites

200% Wolf

Movie

200% Wolf

20246.7
THE

Album

THE

tricot
The Hitchhiker's Guide to the Galaxy

Book

The Hitchhiker's Guide to the Galaxy

Douglas Adams
Kyoto

City

Kyoto

Japan
Portal

Game

Portal

Action, Puzzle4.5
Sponsored

Model Responses

40 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

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