AI Tools Blog
Follow the latest AI model updates, tool reviews, comparisons, tutorials, and practical guides from NAVS.

Muse Spark Open vs Mistral Large 4: Two Open-Weight Giants, Two Different Bets
Two open-weight giants released nine days apart: Meta's downloadable Muse Spark Open vs Mistral's preview-only Large 4.

Gemini 4 Argon Explained: Google's Frontier Model, and 5 Tools to Use It
Gemini 4 Argon brings a 1M-token output limit, state-of-the-art coding scores, and a cybersecurity-first rollout. Five tools where you can use it today.

How to Build a Custom AI Agent in Notion: A 2026 Tutorial
A step-by-step guide to building a Custom AI Agent in Notion — instructions, triggers, access, and new credit system.

Mercury 3 vs DeepSeek V4.1-Flash-1017: Which Budget Agent Model Should You Pick?
Two $0.10-class agent models compared: Mercury 3's diffusion speed vs DeepSeek Flash's open weights and cache economics.

DeepSeek V4.1-Flash-1017: The $0.15 Agent Model
DeepSeek V4.1-Flash-1017: 77.0 on DeepSWE at $0.15/M input, MIT open weights, new Search and Fetch APIs.

NVIDIA Nemotron 3.5 Explained: Open Agent Models, and 5 Tools to Run Them
NVIDIA's Nemotron 3.5 brings open agent models to every tier — and five tools that run them locally.