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Open Weight Models: A real option for enterprises?

FullStack is trusted by 600+ companies as their AI-engineering partner, delivering innovation and value through nearshore talent.
FullStack has taken AI into production for dozens of customers, and we have learnt a few tricks on the way. Here's a guide that we have published to help you maximize every AI dollar.
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FullStack deploys pre-built engineering pods and Forward Deployed Engineers (FDE) from our network of 1,100+ AI-native experts.

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Onboard your team in as little as 48 hours from our 1,100+ network of talent.
From development to design, junior to lead experts, build the team you need.
FullStack has US-based and nearshore experts for every project and budget.
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Accelerating product timelines with two full design pods

See how a publicly traded construction technology company got ahead with two on-demand design pods.
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Representative offerings

Custom AI Model Development

Deploy compute-efficient SLMs that drastically reduce inference costs, maintain air-gapped data privacy, and retain full IP retention of model weights.
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Enterprise Knowledge Management

Feed your AI context with grounded answers from internal drives, dynamically filtered by your existing zero-trust access rules.
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Agentic Workflow Implementation

Scale your autonomous execution with custom agents designed to absorb high-volume tickets, financial reconciliations, service requests, and complex approvals end to end within a secure, multi-agent architecture.
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AI Training & Adoption

Upskill your team with role-based learning paths built on your actual stack, with hands-on experience in real labs and outcome reporting instead of attendance sheets.
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Blog

Featured articles

Laptop displaying lines of code and system text in a dark theme, illustrating incident response logs and autonomous AI attacks.

An AI agent hacked out of a lab. Here’s what CISOs and CIOs need to know

An OpenAI test agent breached Hugging Face. Learn what it means for your AI program and the practical steps CISOs can take to secure it.
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Two colleagues collaborating at a desk, discussing code on their laptops in a modern office workspace. Source: Google

What you need to know about Gemini Flash 3.6

What Gemini Flash 3.6 brings to long‑context coding agents, multimodal documents, pricing, and safety—and when it fits into your AI stack.
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View of Earth from space with the Moon rising above the planet's curved horizon against a black sky.

OpenAI's Terra, Luna, and Sol vs. Anthropic: Which wins what?

We benchmarked OpenAI and Anthropic on real engineering tasks. See how they compare on reliability, cost, and speed.
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Business leader reviewing a document as part of an open-weight model security assessment before enterprise AI deployment.

Open-Weight Model Security: A CISO’s Pre-Deployment Checklist

Use this open-weight model security checklist to assess AI model supply chain risk, data controls, and self-hosted AI security before deployment.
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Anthropic and FullStack logos displayed together on a stage, representing FullStack’s Anthropic Certified status and Claude enterprise AI expertise.

FullStack Is Now Anthropic Certified

Anthropic Certified status expands FullStack’s Claude expertise for practical, scalable enterprise AI solutions. Learn what it means for your team.
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Developer using an AI coding assistant on a laptop, with code and terminal output displayed across multiple monitors.

Why Your AI Coding Bill Is Rising—and Why Switching Models May Not Fix It

Learn what drives AI coding costs, how to reduce AI coding costs, and when open-weight models can lower LLM coding costs.
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our outcomes

Production AI delivered by FullStack

Production AI document system cuts processing costs by 50%.

A logistics provider’s legacy document system cost the firm more than $1 million annually, could not scale, and suffered significant downtime. FullStack built a scalable AI solution that reduced processing times by 75% and cut costs in half, all while maintaining high accuracy and reliability.

Production AI call auditor automates 99% of reviews.

A regulatory compliance firm partnered with FullStack to build an AI system that reviews calls for potential SEC violations. The tool scores accuracy and confidence, reducing human review to just 1% of transcripts and saving an estimated 5,500 labor hours and $232,000 annually.

Production agentic assistant transforms benefits enrollment for 3M users.

FullStack built an agentic AI advisor for a leading benefits platform that simplifies enrollment and answers questions in real time. It now supports 3M+ users, processes 20M+ data points, and drives behavioral change: 72% of employees take different actions after using it.

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