Build logs, guides, and field notes

What shipped, what broke, and what it really cost — from running production AI systems.

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Latest articlesWhat shipped, what broke, and what it really cost — from running production AI systems.

GPT-6.1 Sol vs GPT-6 Sol

GPT-6.1 Sol vs GPT-6 Sol

Compare GPT-6.1 Sol with GPT-6 Sol on cache costs, coding evidence, and the reasoning and tool-call changes that affect an upgrade.

Sep 30, 2026AI

The lanes.Pick the one you came for.

12–35 / 641
SaneBox Pricing

SaneBox Pricing

Compare SaneBox pricing by email accounts, features and billing term, with the full upfront bill and a clear rule for when to upgrade.Sep 29, 2026Build
Marblism Pricing (2026): Budget Tasks, Not Seats

Marblism Pricing (2026): Budget Tasks, Not Seats

Calculate Marblism pricing from fixed task charges, shared hours, billing terms, and exactly what stops when the allowance runs out.Sep 28, 2026Build
How to Use Claude Sonnet 5.5

How to Use Claude Sonnet 5.5

Start using Claude Sonnet 5.5, choose an effort level, and fix the thinking and tool-call settings that can break an existing API workflow.Sep 28, 2026AI
Fyxer Pricing

Fyxer Pricing

See Fyxer pricing for one or several inboxes, the real annual team bill, and the time its drafts must save to earn the subscription.Sep 28, 2026Build
Lusha Alternatives

Lusha Alternatives

Compare Lusha alternatives by contact coverage, credit burn, CRM handoff, and the full cost of feeding an AI sales workflow.Sep 28, 2026Growth
Is Cloudflare Worker Previews Free

Is Cloudflare Worker Previews Free

Check Worker Previews' free-plan limits, Workers usage and separate storage or agent costs before budgeting branch tests.Sep 28, 2026Build
Best AI for Accountants

Best AI for Accountants

Compare seven AI tools for accounting firms by workflow, reviewer controls, pricing, and full cost per accepted output.Sep 28, 2026Build
How to Use Janus for Claude Code

How to Use Janus for Claude Code

Set up Janus on Mac, save separate Claude Code accounts, switch the next session, and check whether each account's usage figures are current.Sep 28, 2026Build
How to Use Copilot Managed Runtime

How to Use Copilot Managed Runtime

Build and deploy a Copilot Managed Runtime app with the CLI, then check identity, connectors, preview access and billing limits.Sep 27, 2026Build
Higgsfield API Pricing

Higgsfield API Pricing

Price Higgsfield API video and image jobs, separate API dollars from app credits, and check top-ups, expiry and cashback before scaling.Sep 27, 2026Design
Jev vs GLM-5.3-Flash

Jev vs GLM-5.3-Flash

Compare Jev with GLM-5.3-Flash through Privatemode Decisions for support routing, image inputs, latency and cost per correct decision.Sep 27, 2026AI
Is Gemini Live Avatar Free

Is Gemini Live Avatar Free

Check Gemini Live Avatar access, Enterprise API charges and custom-avatar limits before budgeting a customer-facing video agent.Sep 27, 2026Design
How to Use GPT-6 Prompt Caching

How to Use GPT-6 Prompt Caching

Set up GPT-6 prompt caching, diagnose misses, and measure cache reads, writes and cost in a repeatable agent workflow.Sep 27, 2026Build
Copilot Managed Runtime Pricing

Copilot Managed Runtime Pricing

Separate Copilot Managed Runtime build costs, runtime credits and Power Apps Premium coverage before budgeting an internal AI app.Sep 26, 2026Build
n8n Agents vs Workflows

n8n Agents vs Workflows

Choose between n8n Agents and workflows for support and operations, with execution costs, approvals and the limits of the new preview.Sep 26, 2026Build
Is Jev Router Free

Is Jev Router Free

Jev Router's catalog says $0. Check what that covers, the cost of routed model calls and the usage records before budgeting an agent.Sep 26, 2026Build
How to Publish Claude Plugins

How to Publish Claude Plugins

Publish a Claude plugin through the new directory portal. Check paid-plan access, choose a bundle or MCP connector, and prepare for review.Sep 26, 2026Build
Is Cloudflare MCP Portals Free

Is Cloudflare MCP Portals Free

Check Cloudflare MCP Portals' free-plan limits, paid seats and separate model or server costs before connecting your team's agents.Sep 26, 2026Build
How to Use Agentic CUDA Optimizer

How to Use Agentic CUDA Optimizer

Set up the CUDA optimizer, run a bounded kernel experiment, and check correctness, GPU time and model costs before trusting a speedup.Sep 25, 2026Build
AI for Marketing Agencies

AI for Marketing Agencies

Run a seven-handoff AI delivery system for campaign drafts, approvals, and sourced client reports, with current costs for five and 20 clients.Sep 25, 2026Playbooks
Runpod Pricing (2026): Pods or Serverless by Paid Time

Runpod Pricing (2026): Pods or Serverless by Paid Time

Calculate Runpod pricing for Pods, Serverless, storage and production inference, with a dated H100 worksheet and a billable-time break-even.Sep 25, 2026Build
How to Use Vercel Sandbox Drives

How to Use Vercel Sandbox Drives

Keep an agent workspace across Vercel Sandbox runs. Create a Drive, mount it, restart safely, and understand writer, snapshot, and region limits.Sep 25, 2026Build
Firecrawl Alternatives

Firecrawl Alternatives

Compare Firecrawl alternatives for business AI pipelines by crawl support, Markdown and JSON output, migration work and cost per usable page.Sep 25, 2026Build
CodeRabbit Alternatives

CodeRabbit Alternatives

Compare CodeRabbit alternatives by Git support, hosting, review limits and real team cost, with clear reasons to switch or stay.Sep 25, 2026Build
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