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  1. Home
  2. Models
  3. Gemini 2.5 Pro (I/O Edition)
Updated Feb 16, 2026
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Openings

How Gemini 2.5 Pro (I/O Edition) 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…

1,718 words
Of course. This is an extremely one-sided contract that heavily favors the Client and exposes the Contractor to significant financial, legal, and professional risk. A contractor should not sign this agreement as written.
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…

1,581 words
Okay, this is an ambitious and exciting endeavor! This 3-month longevity plan is designed for a dedicated biohacker who is willing to experiment, track meticulously, and push boundaries responsibly. Disclaimer: This plan is for informational purposes only and not medical advice.
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…

1,505 words
This is a company-defining crisis. My actions in the next 48 hours will determine not only the company's survival but also my own legacy and, most importantly, the well-being of 4 million patients. My guiding principle must be: Patient safety is not negotiable.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

1,476 words
Of course. Here is a design for a multi-component, Michelin 3-star dish that embodies innovation, technique, and narrative. Dish Title: "Umbral Bloom" Conceptual Narrative "Umbral Bloom" is a culinary meditation on the concept of *chiaroscuro*—the interplay of light and shadow.
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…

1,431 words
Of course. This is an excellent exercise. The proposed architecture has several critical flaws that would prevent it from functioning as a reliable, real-time, or scalable system. Here is a breakdown of the issues, categorized for clarity, along with specific solutions and their trade-offs.
Read the full answer

Compare Gemini 2.5 Pro (I/O Edition)

Gemini 2.5 Pro (I/O Edition) vs Claude Opus 4.640 shared prompts · Premium
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Gemini 2.5 Pro (I/O Edition) vs Qwen3.8 Max21 shared prompts · Landed Aug 2026
Gemini 2.5 Pro (I/O Edition) vs Claude Opus 540 shared prompts · Landed Jul 2026
Gemini 2.5 Pro (I/O Edition) vs Inkling40 shared prompts · Landed Jul 2026
Gemini 2.5 Pro (I/O Edition) vs Kimi K340 shared prompts · Landed Jul 2026
Gemini 2.5 Pro (I/O Edition) vs GPT-5.6 Sol40 shared prompts · Landed Jul 2026
Gemini 2.5 Pro (I/O Edition) vs GLM 5.240 shared prompts · Landed Jun 2026

Prompts Gemini 2.5 Pro (I/O Edition) answered

  • Realistic AI Interviewconversation
  • Surprise Animal SVGimage generation
  • Adversarial Contract Reviewreasoning
  • Historical Counterfactual Analysisreasoning
  • Dark Mode Dashboardweb design
  • Music App Landing Pageweb design

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Gemini 2.5 Pro (I/O Edition)

Gemini 2.5 Pro (I/O Edition)

Google's Gemini 2.5 Pro preview: multimodal understanding, multi-step code, math and STEM, and long-context analysis over large datasets, codebases and documents. Knowledge cutoff January 2025.

WebsiteOpenRouterDocsBlog
Provider
Google AI
Released
2025-05-06
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 (I/O Edition) 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↗
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-05-06"    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 42 scored outputs
How this is measured →
250.25xFloor
0100headroom →

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

Craft35
Originality18
Plays it safe
share of outputs that are the default answer
57%
Writing DNA

Stylometric Fingerprint

Based on 16 text responses
Tick = global average
Vocabulary Diversity58%

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

Sentence Length15.7 words

Average words per sentence.

Hedging0.38

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

Bold Formatting5.8

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

List Usage5.0

Bullet and numbered list items per 1,000 characters.

Section Structure0.63

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.01

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

Opening Habits
Starts with greeting (31%)
Consistency
77%
Across 16 responses

Favorites

2001: A Space Odyssey

Movie

2001: A Space Odyssey

19688.0
The Dark

Album

The Dark

Chelsea Wolfe
The Hitchhiker's Guide to the Galaxy

Book

The Hitchhiker's Guide to the Galaxy

Douglas Adams
Kyoto

City

Kyoto

Japan
CHRONO

Game

CHRONO

Casual, Indie
Sponsored

Model Responses

37 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Editable skills for interface polish and interaction.

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Gemini 2.5 Pro (I/O Edition) vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...