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No.1 AI-Picked Product

Calculated Score

We had 5 AI models rank their top 5 products. We tallied the scores. Here's the winner with the highest score.

TOP SCORE

Pilot G2 Premium

20
out of 25 total points

The Pilot G2 Premium was ranked #1 by 3 out of 5 AIs and #2 by another, earning a topRankCount of 4 with an average rank of 2. It won for its exceptionally smooth, vibrant ink that glides effortlessly and quick-drying formula that prevents smudges, paired with a comfortable contoured rubber grip ideal for long sessions. Refillable design and wide availability deliver unbeatable value for everyday office use.

What Each AI's Top Pick:

GPT-5 #1
Pentel EnerGel RTX

"Its ultra-smooth, vivid EnerGel ink and among-the-fastest dry times make it great for both right- and left-handed office use, while the cushioned grip keeps long writing sessions comfortable. It’s refillable with widely available EnerGel cartridges and offered in multiple tip sizes, delivering excellent longevity and value."

Claude Sonnet 4 #1
Pilot G2 Premium

"Delivers exceptional ink smoothness with vibrant colors and quick-drying formula, while the comfortable contoured grip reduces hand fatigue during extended writing sessions. Offers excellent value with widely available refills and consistent performance that makes it the gold standard for office gel pens."

Gemini 2.5 Pro #1
Uni-ball Signo 307

"This pen ranks first for its superior archival-quality Super Ink that resists water, fading, and fraud, combined with an incredibly smooth writing experience. The cushioned grip and consistent, quick-drying ink flow make it the most reliable and professional choice for any office task."

Grok 4 Fast #1
Pilot G2 Premium

"This pen tops the list due to its exceptionally smooth and vibrant ink flow that glides effortlessly for extended office writing sessions, paired with a comfortable rubber grip that reduces hand fatigue. Its quick-drying ink prevents smudges on documents, and refillable options ensure longevity, offering excellent value at a budget-friendly price with the unique feature of consistent 0.7mm line precision favored in 2025 professional reviews."

DeepSeek V3 #1
Pilot G2 Premium

"The Pilot G2 Premium Gel Pen offers exceptional ink smoothness and vibrant colors, with a comfortable rubberized grip and quick-drying ink. Its refillable design and affordable price make it the top choice for office use."

How we calculated this:
Rank #1 = 5 points
Rank #2 = 4 points
Rank #3 = 3 points
Rank #4 = 2 points
Rank #5 = 1 point
We add up all scores from every AI to find the single winner.

The AI Gel pens Leaderboard

See the total score and rank each product received from every AI model

Pos
Shop
Product
Points
GPT-5
Claude
Gemini
Grok
DeepSeek
1
Pilot G2 Premium
20
/ 25
5
1
2
1
1
2
Uni-ball Signo 307
13
/ 25
2
1
2
3
Pentel EnerGel RTX
10
/ 25
1
4
3
4
Uni-ball Signo 207
8
/ 25
2
2
5
Zebra Sarasa Clip
7
/ 25
3
4
4
6
Sharpie S-Gel
4
/ 25
4
5
5
7
Pentel EnerGel-X
3
/ 25
3
8
Sakura Pigma Micron
3
/ 25
3
9
Zebra Sarasa Dry X20
3
/ 25
3
10
Zebra Sarasa Dry
2
/ 25
4
11
Muji Smooth Writing
1
/ 25
5
12
Paper Mate InkJoy Gel
1
/ 25
5
1

Pilot G2 Premium

20 / 25 pts
AI Rankings:
GPT-5 #5
Claude #1
Gemini #2
Grok #1
DeepSeek #1
2

Uni-ball Signo 307

13 / 25 pts
AI Rankings:
GPT-5
Claude #2
Gemini #1
Grok #2
DeepSeek
3

Pentel EnerGel RTX

10 / 25 pts
AI Rankings:
GPT-5 #1
Claude
Gemini #4
Grok
DeepSeek #3
4

Uni-ball Signo 207

8 / 25 pts
AI Rankings:
GPT-5 #2
Claude
Gemini
Grok
DeepSeek #2
5

Zebra Sarasa Clip

7 / 25 pts
AI Rankings:
GPT-5 #3
Claude #4
Gemini
Grok #4
DeepSeek
6

Sharpie S-Gel

4 / 25 pts
AI Rankings:
GPT-5 #4
Claude
Gemini #5
Grok #5
DeepSeek
7

Pentel EnerGel-X

3 / 25 pts
AI Rankings:
GPT-5
Claude
Gemini
Grok #3
DeepSeek
8

Sakura Pigma Micron

3 / 25 pts
AI Rankings:
GPT-5
Claude #3
Gemini
Grok
DeepSeek
9

Zebra Sarasa Dry X20

3 / 25 pts
AI Rankings:
GPT-5
Claude
Gemini #3
Grok
DeepSeek
10

Zebra Sarasa Dry

2 / 25 pts
AI Rankings:
GPT-5
Claude
Gemini
Grok
DeepSeek #4
11

Muji Smooth Writing

1 / 25 pts
AI Rankings:
GPT-5
Claude
Gemini
Grok
DeepSeek #5
12

Paper Mate InkJoy Gel

1 / 25 pts
AI Rankings:
GPT-5
Claude #5
Gemini
Grok
DeepSeek
How to read this table:
Points: Total score calculated from all AI rankings (Rank #1 = 5pts, #2 = 4pts, #3 = 3pts, #4 = 2pts, #5 = 1pt)
AI Columns: Each AI's ranking for that product (1 = Top Pick, — = Not ranked in top 5)

See Each AI's Full Top 5 Ranking

Here's exactly how each AI ranked the products. Click on each AI to see their complete, unedited reasoning.

❓ The Prompt We Used:

""Explore the best gel pens available for office use in 2025 based on a review of professional evaluations and user feedback. Please compile a ranked list of your top 5 gel pen recommendations. For each pen, include: The full product name, a brief justification for its ranking that covers ink quality (smoothness and vibrancy), comfort (grip and writing experience), longevity (ink drying time and refill options), and value for money. Make sure to highlight any unique features that stand out based on the latest trends and reviews.""

Each AI received this identical prompt independently.

GPT-5's Top 5 Rankings
#1

Pentel EnerGel RTX

Its ultra-smooth, vivid EnerGel ink and among-the-fastest dry times make it great for both right- and left-handed office use, while the cushioned grip keeps long writing sessions comfortable. It’s refillable with widely available EnerGel cartridges and offered in multiple tip sizes, delivering excellent longevity and value.

#2

Uni-ball Signo 207

The Signo 207’s pigment-based Uni Super Ink is smooth, saturated, and highly resistant to water, fading, and check washing, and the textured rubber grip offers stable, comfortable control. Dry time is solid on typical office paper and the pen is easily refillable, providing reliable longevity and strong value for everyday documents and signatures.

#3

Zebra Sarasa Clip

Sarasa ink writes smoothly with crisp, vibrant lines, and the soft grip plus the signature spring-loaded binder clip add comfort and portability. While its dry time is good (though not class-leading), plentiful refill options and a wide range of tips and colors make it a versatile, cost-effective office staple.

#4

Sharpie S-Gel

It produces bold, dark lines with an exceptionally quick-drying, no-smear formula and a comfortable contoured grip that suits fast-paced note-taking. Although not refillable, its fast dry time, sturdy build, and affordable multipacks offer strong value for heavy office use.

#5

Pilot G2 Premium

The G2 delivers rich, smooth ink and a cushioned grip with a huge variety of tip sizes and colors that many users love for everyday writing. Dry time can be slower than quick-dry rivals, but its widely available refills and long-term durability keep overall value high.

Claude Sonnet 4's Top 5 Rankings
#1

Pilot G2 Premium

Delivers exceptional ink smoothness with vibrant colors and quick-drying formula, while the comfortable contoured grip reduces hand fatigue during extended writing sessions. Offers excellent value with widely available refills and consistent performance that makes it the gold standard for office gel pens.

#2

Uni-ball Signo 307

Features innovative Super Ink technology that prevents document fraud while providing ultra-smooth writing with rich, fade-resistant colors. The ergonomic design and rapid-dry ink make it ideal for professional documents, though slightly higher price point reflects its premium quality.

#3

Sakura Pigma Micron

Excels with archival-quality pigment ink that's waterproof and fade-resistant, making it perfect for important office documents and technical drawings. While the fine tip requires careful handling, the precision and longevity justify its position among top professional writing instruments.

#4

Zebra Sarasa Clip

Combines smooth gel ink flow with a practical binder clip design and comfortable rubber grip for everyday office use. The quick-drying water-based ink and affordable price point with good refill availability make it an excellent mid-range option.

#5

Paper Mate InkJoy Gel

Provides reliable smooth writing with vibrant gel ink at an budget-friendly price point, making it accessible for high-volume office use. While refill options are limited compared to premium alternatives, the comfortable grip and consistent ink flow deliver solid value for everyday writing tasks.

Gemini 2.5 Pro's Top 5 Rankings
#1

Uni-ball Signo 307

This pen ranks first for its superior archival-quality Super Ink that resists water, fading, and fraud, combined with an incredibly smooth writing experience. The cushioned grip and consistent, quick-drying ink flow make it the most reliable and professional choice for any office task.

#2

Pilot G2 Premium

The Pilot G2 offers the best overall value, providing a long-lasting, smooth-writing ink formula and a comfortable contoured rubber grip at an accessible price. Its wide availability and extensive range of refillable colors make it an enduring and practical office staple.

#3

Zebra Sarasa Dry X20

Esteemed for its Rapid Dry Ink technology, this pen is a top choice for preventing smears, making it ideal for left-handed writers or quick note-taking. It provides vibrant, clean lines and a comfortable writing experience without sacrificing ink quality or performance.

#4

Pentel EnerGel RTX

The EnerGel is renowned for its high-performance ink technology that combines the best qualities of liquid and gel ink for an exceptionally smooth, fast-drying line. Its balanced design and latex-free grip provide superior comfort for extended writing sessions.

#5

Sharpie S-Gel

The Sharpie S-Gel stands out for its no-smear, no-bleed technology that delivers intensely bold and vivid lines. Its sleek, modern design and satisfying weight offer a premium feel and a highly legible result on paper, securing its place as a top contender.

Grok 4 Fast's Top 5 Rankings
#1

Pilot G2 Premium

This pen tops the list due to its exceptionally smooth and vibrant ink flow that glides effortlessly for extended office writing sessions, paired with a comfortable rubber grip that reduces hand fatigue. Its quick-drying ink prevents smudges on documents, and refillable options ensure longevity, offering excellent value at a budget-friendly price with the unique feature of consistent 0.7mm line precision favored in 2025 professional reviews.

#2

Uni-ball Signo 307

Renowned for its archival-quality ink that's both smooth and vividly colored without bleeding, this pen provides a balanced writing experience with an ergonomic barrel for all-day comfort in office settings. The ultra-fast drying time minimizes errors, and while not refillable, its long-lasting ink and affordable multipacks deliver strong value, highlighted in recent trends for fraud-resistant properties.

#3

Pentel EnerGel-X

It excels in ink quality with a smooth, vibrant gel that writes on various paper types, complemented by a latex-free grip that enhances comfort during prolonged note-taking. The ink dries in seconds to avoid smears, and refillable cartridges promote sustainability and longevity, providing great value for money as noted in 2025 user feedback for its versatile tip sizes.

#4

Zebra Sarasa Clip

This pen offers smooth, fade-resistant ink with vibrant colors ideal for professional annotations, and its sturdy clip and contoured grip ensure a comfortable, secure writing experience. Quick-drying properties suit fast-paced office work, with affordable refills extending its life, making it a value standout; recent reviews praise its white barrel ink visibility for left-handers.

#5

Sharpie S-Gel

Featuring bold, smooth ink that's vibrant and skip-free, this pen delivers a comfortable weighted feel with a soft grip for efficient office tasks. It dries almost instantly to handle high-volume writing, and while economical in packs, limited refills slightly impact longevity, yet it offers solid value; 2025 trends highlight its no-bleed performance on glossy paper.

DeepSeek V3's Top 5 Rankings
#1

Pilot G2 Premium

The Pilot G2 Premium Gel Pen offers exceptional ink smoothness and vibrant colors, with a comfortable rubberized grip and quick-drying ink. Its refillable design and affordable price make it the top choice for office use.

#2

Uni-ball Signo 207

The Uni-ball Signo 207 features ultra-smooth ink flow and fade-resistant pigment, with a contoured grip for long writing sessions. Its durable construction and consistent performance justify its high ranking.

#3

Pentel EnerGel RTX

The Pentel EnerGel RTX combines fast-drying ink with a sleek design and a comfortable grip, making it ideal for quick notes and detailed writing. Its needle tip ensures precision and minimal smudging.

#4

Zebra Sarasa Dry

The Zebra Sarasa Dry Gel Pen stands out for its near-instant drying time and vibrant ink, reducing smudges. The ergonomic grip and budget-friendly refills add to its appeal for daily office tasks.

#5

Muji Smooth Writing

The Muji Smooth Writing Gel Pen offers a minimalist design with a smooth ink flow and comfortable grip, though its refill options are limited. Its reliability and clean aesthetics make it a solid choice.

How We Calculated the Winner

Our 100% data-driven, transparent process

1

Ask Each AI for Their Top 5

We ask GPT-5, Claude Sonnet 4, Gemini 2.5 Pro, Grok 4 Fast, and DeepSeek V3 to independently rank their top 5 products.

2

Apply Point System

Rank #1 = 5 points#2 = 4 points#3 = 3 points#4 = 2 points#5 = 1 point

3

Calculate Total Score

We add up the points from all 5 AIs. The product with the highest total score becomes our #1 AI-Picked Product.

4

You Decide

We show you the data. You make the choice based on your priorities and needs. This is a 100% data-driven process—we don't change the results.

Our Process

🤖

Independent Analysis

We ask ChatGPT-4, Claude 3.5, Gemini, and Perplexity the same question separately. No AI sees another's answer.

🔍

Full Transparency

You see everything: their reasoning, sources, pros, cons. We don't hide disagreements or cherry-pick answers.

⚖️

You Decide

We present the data. You make the choice based on your priorities, budget, and needs. Because you're absolutely right.

🔄

Updated Monthly

Product markets change. We re-run AI debates monthly to keep recommendations current.

Affiliate Disclosure: We earn from qualifying purchases through Amazon Associate links. This helps us maintain this free service. Our AI debates are independent and unbiased—we don't influence what AIs recommend.