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Nicolas Zeeb

Author

Nicolas Zeeb

Technical Content Lead

53 posts

Articles by Nicolas Zeeb

10 Best OpenAI Operator Alternatives in 2026: Reviewed & Compared

10 Best OpenAI Operator Alternatives in 2026: Reviewed & Compared

OpenAI Operator became ChatGPT agent mode in 2025. Here are 10 alternatives for users who want autonomous AI that acts across the web and beyond, with persistent memory and better privacy.

LLM basicsMay 7, 202613 min
10 Best Private Personal AI Assistants in 2026: Reviewed & Compared

10 Best Private Personal AI Assistants in 2026: Reviewed & Compared

A private personal AI assistant works for you without your data becoming someone else's asset. These 10 tools put you back in control, ranked by privacy architecture, security model, and capability depth.

LLM basicsMay 7, 202614 min
10 Best Personal AI Assistants with Memory in 2026: Reviewed & Compared

10 Best Personal AI Assistants with Memory in 2026: Reviewed & Compared

Most personal AI assistants reset with every session. Here are 10 that actually remember — ranked by memory depth, privacy model, and who each is built for.

LLM basicsMay 6, 202614 min
10 Best Viktor Alternatives in 2026: Reviewed & Compared

10 Best Viktor Alternatives in 2026: Reviewed & Compared

Viktor is a capable Slack-based AI coworker, but its Slack dependency, cloud-only architecture, and team-only pricing leave real gaps. Here are 10 alternatives and who each is for.

LLM basicsMay 6, 202614 min
10 Best Cofounder Alternatives in 2026: Reviewed & Compared

10 Best Cofounder Alternatives in 2026: Reviewed & Compared

Cofounder is an agent orchestration platform for building and running an entire company. Here are the 10 best alternatives in 2026, depending on what you actually need.

LLM basicsMay 5, 202613 min
8 Best Open-Source Personal AI Assistants in 2026: Reviewed & Compared

8 Best Open-Source Personal AI Assistants in 2026: Reviewed & Compared

Open-source personal AI assistants give you something proprietary tools don't: your data stays yours, the code is auditable, and you're not building a relationship with software you don't control.

LLM basicsMay 5, 202615 min
11 Best Personal AI Assistants in 2026: Reviewed & Compared

11 Best Personal AI Assistants in 2026: Reviewed & Compared

Personal AI assistants have moved well past the chatbot phase. Here are 11 of the best options in 2026, what each is actually built for, and who should use it.

LLM basicsMay 4, 202611 min
10 Best Zo Computer Alternatives in 2026: Reviewed & Compared

10 Best Zo Computer Alternatives in 2026: Reviewed & Compared

Zo Computer gives you a persistent Linux server and always-on AI, but it’s cloud-only and doesn’t build a model of who you are. Here are the 10 best alternatives in 2026 and who each is for.

LLM basicsMay 4, 202613 min
10 Best Microsoft Copilot Alternatives in 2026: Reviewed & Compared

10 Best Microsoft Copilot Alternatives in 2026: Reviewed & Compared

Microsoft Copilot is strong inside M365, but it's locked to the ecosystem and expensive per seat. Here are the 10 best alternatives.

LLM basicsMay 1, 202611 min
10 Best ClickUp AI Super Agents Alternatives in 2026: Reviewed & Compared

10 Best ClickUp AI Super Agents Alternatives in 2026: Reviewed & Compared

ClickUp Super Agents are AI teammates inside ClickUp, but they're platform-locked and cloud-only. Here are the 10 best alternatives.

LLM basicsApr 30, 202610 min
10 Best ChatGPT Workspace Agents Alternatives in 2026: Reviewed & Compared

10 Best ChatGPT Workspace Agents Alternatives in 2026: Reviewed & Compared

OpenAI's Workspace Agents automate team workflows, but they're cloud-only, Business plans only, and shifting to credit pricing. Here are the 10 best alternatives.

LLM basicsApr 29, 202611 min
10 Best Lindy AI Alternatives in 2026: Reviewed & Compared

10 Best Lindy AI Alternatives in 2026: Reviewed & Compared

Lindy AI is strong for email triage and meeting prep, but it's cloud-only and starts at $49/month. Here are the 10 best alternatives.

LLM basicsApr 28, 202611 min
10 Best Perplexity Computer Alternatives in 2026: Reviewed & Compared

10 Best Perplexity Computer Alternatives in 2026: Reviewed & Compared

Perplexity Computer orchestrates multiple frontier models for complex workflows, but it requires a Max subscription and recommends a dedicated Mac mini. Here are the 10 best alternatives and who each is for.

LLM basicsApr 27, 202613 min
10 Best Claude Cowork Alternatives in 2026: Reviewed & Compared

10 Best Claude Cowork Alternatives in 2026: Reviewed & Compared

Claude Cowork is a strong desktop AI for one-off tasks, but it burns through usage limits fast and doesn't build a persistent model of who you are. Here are the 10 best alternatives.

LLM basicsApr 24, 202613 min
10 Best Manus Alternatives in 2026: Reviewed & Compared

10 Best Manus Alternatives in 2026: Reviewed & Compared

Manus is a capable autonomous AI agent, but its credit-based pricing is unpredictable and your data runs through cloud VMs you don't control. Here are the 10 best alternatives and who each is for.

LLM basicsApr 23, 202612 min
Claude Opus 4.7 Benchmarks Explained

Claude Opus 4.7 Benchmarks Explained

A full breakdown of Claude Opus 4.7 benchmarks: what improved, what regressed, and what it means for your agents.

GuidesApr 16, 202610 min
10 Best Hermes Agent Alternatives in 2026: Reviewed & Compared

10 Best Hermes Agent Alternatives in 2026: Reviewed & Compared

Hermes Agent is a capable terminal-first agent from Nous Research, but most people want a personal AI that lives on their device. Here are the 10 best alternatives and who each is for.

LLM basicsApr 10, 202612 min
10 Best OpenClaw Alternatives in 2026: Reviewed & Compared

10 Best OpenClaw Alternatives in 2026: Reviewed & Compared

We tested 10 OpenClaw alternatives in 2026 across security, memory, setup, and desktop integration. Here's what we actually found — and why Vellum comes out on top.

UncategorizedApr 9, 202612 min
Claude Opus 4.6 vs 4.5 Benchmarks (Explained)

Claude Opus 4.6 vs 4.5 Benchmarks (Explained)

Explore this breakdown of Claude Opus 4.6 and how it stacks up to Opus 4.5 and OpenAI and Google models.

UncategorizedFeb 5, 20264 min
15 Best Make Alternatives: Reviewed & Compared

15 Best Make Alternatives: Reviewed & Compared

We reviewed and compared 30 platforms to filter down the 15 best Make alternatives in 2026 for your team's needs.

UncategorizedFeb 4, 202610 min
2026 Marketer's Guide to AI Agents for Marketing Operations

2026 Marketer's Guide to AI Agents for Marketing Operations

Discover the 15 AI agents every marketing team needs in 2026 to automate high impact marketing operations.

UncategorizedJan 28, 20266 min
15 Best Zapier Alternatives in 2026: Reviewed & Compared

15 Best Zapier Alternatives in 2026: Reviewed & Compared

We reviewed and compared 30+ platforms to filter down the 15 best Zapier alternatives in 2026 for your team's needs.

UncategorizedJan 15, 20267 min
Vellum Product Update | December

Vellum Product Update | December

Workflow Sandbox upgrades, Vellum Voice Input, compare agent building changes, and more

UncategorizedJan 10, 20263 min
GPT-5.2 Benchmarks

GPT-5.2 Benchmarks

Breaking down OpenAI's GPT 5.2 model performance across coding, reasoning, and long-horizon planning.

LLM basicsDec 12, 20254 min
How we use coding agents to 2x engineering output

How we use coding agents to 2x engineering output

How we used foreground, background, and code review agents to double engineering velocity

AllDec 12, 20257 min
AI Voice Agent Platforms Guide

AI Voice Agent Platforms Guide

A practical guide to the leading AI voice agent platforms in 2026

LLM basicsDec 11, 202515 min
AI transformation playbook

AI transformation playbook

Use this playbook to execute a battle tested strategy for AI transformation, that will make your business AI native.

GuidesDec 9, 202514 min
The Top LangChain Alternatives in 2026

The Top LangChain Alternatives in 2026

Explore the top alternatives to Langchain for building production-grade AI apps and agents.

GuidesDec 4, 202510 min
Top 12 AI Workflow Platforms

Top 12 AI Workflow Platforms

A practical guide to the top AI workflow platforms, with comparisons to help you choose the best fit for your team.

LLM basicsDec 4, 202515 min
Best practices for building AI multi agent system

Best practices for building AI multi agent system

A practical guide to building production grade, multi agent AI systems using context engineering best practices.

GuidesDec 3, 20259 min
15 Best n8n Alternatives: Reviewed & Compared

15 Best n8n Alternatives: Reviewed & Compared

We reviewed and compared 27 platforms to filter down the 15 best n8n alternatives in 2026 for your team's needs.

LLM basicsDec 3, 202513 min
Top 13 AI Agent Builder Platforms for Enterprises

Top 13 AI Agent Builder Platforms for Enterprises

A guide to 2026’s best AI agent builder platforms to help you find your enterprises perfect agent building solution.

LLM basicsDec 3, 202511 min
Top low‑code AI workflow automation tools

Top low‑code AI workflow automation tools

A practical guide to best 10 low-code AI workflow automation tools in 2026 to help you choose your team's best fit.

LLM basicsDec 3, 202515 min
The Best AI Agent Frameworks For Developers

The Best AI Agent Frameworks For Developers

A practical guide to choosing the best AI agent framework for developers.

LLM basicsDec 3, 202510 min
Top Low-code AI Agent Platforms for Product Managers

Top Low-code AI Agent Platforms for Product Managers

Explore this curated list of the top AI agent platforms for product managers to help find your ideal solution.

LLM basicsDec 3, 202511 min
Complete Guide to No Code AI Workflow Automation Tools

Complete Guide to No Code AI Workflow Automation Tools

A 2026 guide to the top no-code AI workflow tools and how they compare to find your teams best fit.

LLM basicsDec 3, 202510 min
The Best AI Workflow Builders for Automating Business Processes

The Best AI Workflow Builders for Automating Business Processes

The 2026 guide to the best AI workflow builders for automating, scaling, and governing business processes.

LLM basicsDec 3, 20259 min
The Top Enterprise AI Automation Platforms (Guide)

The Top Enterprise AI Automation Platforms (Guide)

Complete 2026 guide to the top platforms to build, govern, and scale secure AI agents across the enterprise.

LLM basicsDec 3, 202511 min
Beginners Guide to Building AI Agents

Beginners Guide to Building AI Agents

Guide to how anyone can design, build, and launch intelligent, no-code agents using Vellum

LLM basicsDec 3, 20259 min
Google Gemini 3 Benchmarks

Google Gemini 3 Benchmarks

A deep dive into Google's latest model performance

GuidesDec 3, 20254 min
Gumloop vs. n8n vs. Vellum (Platform Comparison)

Gumloop vs. n8n vs. Vellum (Platform Comparison)

A clear, honest comparison of Gumloop, n8n, and Vellum to help teams choose the right AI automation platform.

LLM basicsDec 3, 20258 min
Claude Opus 4.5 Benchmarks

Claude Opus 4.5 Benchmarks

A deep dive and breakdown into Anthropic's latest flagship model Claude Opus 4.5

GuidesDec 3, 20254 min
Vellum Product Update | November

Vellum Product Update | November

Workflow triggers, multimodal outputs, 40+ integrations, and other updates making agent building easier and faster.

Product UpdatesDec 3, 20254 min
Gumloop Alternatives (Reviewed & Explained)

Gumloop Alternatives (Reviewed & Explained)

Compare the top Gumloop alternatives of 2026 to pick the best solution for your automation use cases.

LLM basicsNov 27, 202513 min
Flagship Model Report: Gpt-5.1 vs Gemini 3 Pro vs Claude Opus 4.5

Flagship Model Report: Gpt-5.1 vs Gemini 3 Pro vs Claude Opus 4.5

A report on the latest flagship model benchmarks and trends they signal for the AI agent space in 2026

Model ComparisonsNov 27, 202510 min
AI Agent Use Cases Guide to Unlock AI ROI

AI Agent Use Cases Guide to Unlock AI ROI

Explore AI agent use cases to learn how to unlock AI ROI in your organization.

UncategorizedNov 11, 202511 min
A practical guide to AI automation

A practical guide to AI automation

A practical guide on understanding and implementing AI automations for all industries and teams.

GuidesOct 6, 202512 min
Introducing AI Apps: A new interface to interact with AI workflows

Introducing AI Apps: A new interface to interact with AI workflows

AI Apps turn your deployed Workflows into no-code apps your whole team can share to use directly in Vellum.

Product UpdatesSep 24, 20254 min
MCP UI & The Future of Agentic Commerce

MCP UI & The Future of Agentic Commerce

Learn about MCP UI and how it enables AI agents with the missing UI layer for the future of agentic commerce.

AllSep 16, 20257 min
Top 12 AI Workflow Platforms

Top 12 AI Workflow Platforms

A practical guide to the top AI workflow platforms, with comparisons to help you choose the best fit for your team.

LLM basicsSep 12, 202511 min
How Coursemojo Sped Up AI Delivery by 6+ Months

How Coursemojo Sped Up AI Delivery by 6+ Months

Learn how Coursemojo uses Vellum to unlock engineering productivity and deploy AI-powered edTech solutions faster.

Customer StoriesSep 9, 20254 min
How Marveri enabled lawyers to shape AI products without blocking developers

How Marveri enabled lawyers to shape AI products without blocking developers

Learn how Marveri's lawyers use Vellum to build and evaluate AI workflows and save countless engineering hours.

Customer StoriesSep 8, 20254 min
The ultimate LLM agent build guide

The ultimate LLM agent build guide

A practical guide to building effective LLM agents for yourself or your customers.

LLM basicsSep 4, 202512 min

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