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Top GPT-J Development Companies & Expert GPT-J Developers

GPT-J offers open-source AI flexibility, but finding the right GPT-J development companies can be challenging. We simplify your search with a curated list of top GPT-J developers who specialize in implementing and optimizing GPT-J for high-quality AI applications, ensuring seamless integration and superior performance for your business needs.
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Rankings updated: Mar 17, 2026

List of Top GPT-J Development Companies | Best GPT-J Developers

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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MarcelHeap

MarcelHeap

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29

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

29

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)

  • 10% AI Development

  • 15% Ecommerce Development

  • 15% Mobile App Development

  • 15% Software Development

  • 15% Web Development

  • 15% Web Design

  • 15% Digital Marketing

Creativity in Our Blood Line.

MarcelHeap is a premier digital agency in USA, specializing in innovative design, development, and digital marketing solutions. We empower businesses to thrive in the digital era by crafting user-centric websites, scalable applications, and data-driven marketing campaigns.

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Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$100 - $5,000

Min. Budget Size
Inside Service Listing

21 - 50

Team size
Inside Service Listing

New York , USA

Location
Ultrashield Technology Pvt. Ltd.

Ultrashield Technology Pvt. Ltd.

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28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

28

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)

  • 20% AI Development

  • 60% Mobile App Development

  • 20% Software Development

Your Vision, Our Technology – Perfectly Crafted.

Ultrashield Technology : Innovate, Secure, Succeed Our Services: Mobile App Development Website & WebApp Development AI & ML Development UX/UI DevOps, DevSecOps & MLOps (AI/ML) SXO ( Search Experience Optimization ) Ultrashield Technology is your trusted partner for advanced technology solutions, offering a diverse range of services: Mobile App Development, Customised Software Development using AI Technologies & Models, Website Development, IT Technical Services and IT Consulting/Staffing. We pride ourselves on delivering tailored solutions to businesses across the Globe, combining modern technology with a commitment to excellence. As an executive Mobile App Development & Software Development leaders across the Globe, We specialize in delivering top-tier AI/ML and mobile app development solutions, seamlessly aligning advanced technology with your unique business goals to accelerate growth and enhance efficiency. Our expert team leverages state-of-the-art tools and methodologies to deliver exceptional outcomes in every project. Whether it's developing transformative AI/ML solutions, designing innovative mobile applications, or enhancing IT infrastructure, Ultrashield Software LLC remains at the forefront of technological advancements, empowering businesses to thrive today and be future-ready. Let’s transform challenges into opportunities and ideas into reality—together. Choose Ultrashield. Lead with Confidence.

View Ultrashield Technology Pvt. Ltd. Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 199

Team size
Inside Service Listing

Noida , India

Location
NGS Solution

NGS Solution

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27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)

  • 14% AI Development

  • 17% Software Development

  • 16% Web Development

  • 15% Mobile App Development

  • 14% CMS

  • 13% Ecommerce Development

  • 11% IT Services

Change with Technology

NGS Solution is a cutting-edge technology company specializing in mobile app development, SharePoint, Power BI, and web design services. With a focus on delivering innovative solutions, NGS Solution partners with businesses to enhance their digital presence and streamline operations. Our expert team is dedicated to creating customized applications and visually appealing websites tailored to meet the unique needs of each client. Whether you’re looking to develop an app or a website, NGS Solution is your go-to partner for quality and excellence in technology solutions.

View NGS Solution Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$2,000 - $3,000

Min. Budget Size
Inside Service Listing

150 - 200

Team size
Inside Service Listing

Carrollton , USA

Location
ZATIQ SOLUTION (PRIVATE) LIMITED

ZATIQ SOLUTION (PRIVATE) LIMITED

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27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)

  • 10% AI Development

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Web Development

  • 10% Digital Marketing

  • 8% Blockchain Development

  • 8% CMS

  • 7% IT Services

  • 7% Cloud Computing Services

  • 5% Web Design

  • 5% Business Services

AI-Powered Tech & Marketing Solutions

At Zatiq Sol, we don’t just offer services—we build digital empires. From high-performing websites, AI-powered apps, and mobile solutions to SEO, social media, and full-scale digital marketing—we’re the agency behind fast-growing startups and global disruptors. Need lead generation, blockchain apps, or stunning visuals? Our team of experts handles it all. Worldwide impact. Zero guesswork.

View ZATIQ SOLUTION (PRIVATE) LIMITED Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$500+

Min. Budget Size
Inside Service Listing

1 - 20

Team size
Inside Service Listing

Multan , Pakistan

Location
BytesDM

BytesDM

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SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)

  • 7% AI Development

  • 7% Ecommerce Development

  • 7% Mobile App Development

  • 7% Software Development

  • 7% Web Development

  • 7% Web Design

  • 7% Digital Marketing

  • 7% Internet of Things

  • 7% Product Engineering services

  • 7% CMS

  • 6% IT Services

  • 6% Blockchain Development

  • 6% Digital Transformation

  • 6% Business Services

  • 6% Cloud Computing Services

Empowering Digital Transformation

Founded in 2009, We at Magneto work with passion to bring your ideas to life, and create stunning applications for business. However, as an entrepreneur, you know better than anyone else that passion, dedication, and hard work are worth very little, unless they produce results. We know that too, so you can be sure that the app we create will not only look great but also bring the results you require. We understand professional service as an opportunity to walk on the path of values. Everyday is a fresh challenge to adhere to our essential milestone principles. From our very beginning in 2009, we have been pursuing this set of values as definitive guidelines of providing quality service. Magneto IT Solutions has been repeatedly recognized by the leading analytics agencies. This is due to our endeavor in finding the perfect alignment between design, customer experience and technology.

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Inside Service Listing

/hr

Hourly Rate
Inside Service Listing

$10,000 - $25,000

Min. Budget Size
Inside Service Listing

100 - 200

Team size
Inside Service Listing

Boise , USA

Location
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