
Build vs Buy Software: Should You Replace a SaaS Tool?
A practical build vs buy software guide: a scorecard, a real cost worksheet, an AI prompt, and a worked example for replacing a SaaS tool you barely use.
Build the trackers, dashboards and request apps your team needs, or replace software you pay for with your own.

A practical build vs buy software guide: a scorecard, a real cost worksheet, an AI prompt, and a worked example for replacing a SaaS tool you barely use.

Gemini 4 Carbon costs $2 per million input and $10 per million output tokens until November 30, then doubles. See who gets access and the 1M context limit.

Ripple 65B Preview is a dense 65B open-weight model with 1M context. See memory needs, DGX Spark fit, API pricing and how it compares to peers.

Underdog Woof is a 40.6 MB English text-to-speech model that runs on a CPU with NumPy. Setup steps, voices, test results and the non-commercial license catch.

Nemotron 3.5 Bolt is a 2-bit version of the 120B Super. Compare benchmark drops (PinchBench 90 to 88, GPQA 89 to 86), file size, speed and what to test.

Real token counts and API-equivalent costs for Fable 5.2 projects, from a $30 Blender house to a $15,000 game, plus Ultra Code and the usage reset.

Muse Ember reportedly costs about 10 cents per million input and 50 cents per million output tokens, with a 1M context window. Compared with Haiku and Luna.

Run the 3.66B TwIL LM3 Pro logic model locally with llama.cpp: VRAM needs, quantized builds, a Hermes agent setup, and the non-commercial license.

Side projects that make money: how to pick one, build it in a weekend, charge for it, and stay clear of your employer's rules. Includes prompts and a plan.

Use an AI agent to find opt-out pages for data brokers like Apollo, ZoomInfo and RocketReach, send GDPR or CCPA deletion requests, and keep records.

Nvidia's Nemotron 3.5 Bolt 74B A9B stores experts at 2 bits to fit in 24GB. See the memory math, speed on RTX Spark, and what you give up.

Fable 5.2 built a Gears of War level, a Fall Guys clone, an Excel clone and a video editor from short prompts. See the prompts, hours, costs and misses.

Estimate your monthly SaaS waste from seat counts, 30-day active users, and overlapping tools, with a worked example and a check on which stats to trust.

Five patterns for AI-built websites that convert: the mirror test, one accent color, layered depth, purposeful motion and free-sample tools.

Managed databases cost a markup but save engineering hours. See what the monthly bill really includes and run a simple break-even test on your own numbers.

AI agents can clone Excel for about $10 in tokens. Here is how the build-versus-subscribe math compares, and where DIY software still falls short.

Step-by-step: add the open-source Reverse Engineer Anything repo to a ChatGPT project with folder access and remake an installed app like Screen Brush.

Should you build internal tools with AI or keep buying SaaS? See which categories to build now, which to keep buying, and what the data says.

Compare per-agent helpdesk SaaS pricing from Zendesk and Freshdesk with building an internal ticketing tool on Cloudflare Workers and D1 for about $5 a month.

When does building a custom Rust query engine with DataFusion or DuckDB beat SaaS analytics? Compare cost thresholds, team size, and real case studies.

Compare Rust and Python for internal tools built with AI coding agents: prototype in Python, harden in Rust, with benchmarks, savings and risks.

Salesforce runs three Agentforce pricing models at once. Compare per-seat, usage, and outcome pricing, with data from Bain, Intercom, Sierra, and Zendesk.

Compare open-source ERP (Odoo, ERPNext) with SaaS ERP (SAP, NetSuite) on pricing, 3-year TCO, customization, lock-in, and when SaaS still wins.

ATMs, Muni trains, and insurers still run DOS. See why legacy software persists and how owning software compares to SaaS subscription costs over time.