# Thoughts on Personal Intelligence

Stories, best practices and ideas on how to use AI assistants for work and personal ops.

### How to Turn Voice Memos into Client Invoices with an AI Assistant

Turn 20-second truck audio notes into itemized invoices in 30 seconds. How contractors calculate markups, eliminate paperwork backlogs, and stage bills.

GuidesSep 15, 2026 • 9 min

[Read: How to Turn Voice Memos into Client Invoices with an AI Assistant](/content/blog/how-to-turn-voice-memos-into-client-invoices/index.html)

### How to Audit Restaurant Vendor Invoices with an AI Assistant

Automate food vendor invoice auditing in 14 seconds. How restaurant owners catch silent price hikes, pack-size shrinkage, and stage approved accounting bills.

GuidesSep 11, 2026 • 10 min

[Read: How to Audit Restaurant Vendor Invoices with an AI Assistant](/content/blog/how-to-catch-restaurant-vendor-price-creep/index.html)

### How we use OpenSEO & Vellum Assistant to run our SEO engine

How we replaced my Ahrefs subscription with OpenSEO and Vellum to save time and money by running an agent-native organic search and GEO engine directly with an Assistant.

GuidesSep 9, 2026 • 4 min

[Read: How we use OpenSEO & Vellum Assistant to run our SEO engine](/content/blog/openseo-and-vellum-seo-engine/index.html)

### GPT-6 Astra Benchmarks Explained

Every GPT-6 Astra benchmark explained, and compared head to head with GPT-5.6 Sol, Claude Fable 5.1, Opus 5, and Gemini 3.8 Flash.

Model ComparisonsSep 3, 2026 • 9 min

[Read: GPT-6 Astra Benchmarks Explained](/content/blog/gpt-6-astra-benchmarks-explained/index.html)

### Agent Within Reach

Voice conversations run deeper than typed. The hard part is starting one.

AllSep 3, 2026 • 2 min

[Read: Agent Within Reach](/content/blog/agent-within-reach/index.html)

### Gemini 3.8 Flash & 3.8 Flash Cyber Benchmarks Explained

Every Gemini 3.8 Flash benchmark explained, and compared head to head with Claude Opus 5 and GPT-5.6 Sol.

Model ComparisonsSep 3, 2026 • 14 min

[Read: Gemini 3.8 Flash & 3.8 Flash Cyber Benchmarks Explained](/content/blog/gemini-3-8-flash-benchmarks-explained/index.html)

### Why Subscriptions > Credits for AI Products

We built our first monetization path around credits because AI costs are variable. Customers taught us that accurate metering and a good buying experience are not the same thing.

AllSep 2, 2026 • 7 min

[Read: Why Subscriptions > Credits for AI Products](/content/blog/why-subscriptions-beat-credits-for-ai-products/index.html)

### Claude Fable 5.1 & Claude Mythos 5.1 Benchmarks Explained

A breakdown of Anthropic's Claude Fable 5.1 and Mythos 5.1 benchmarks. Head-to-head scores against Fable 5, Opus 5, and GPT-5.6 Sol across scientific research, terminal coding, knowledge work, computer use, reasoning, business workflows, and coding, plus the safeguard zeros behind the table and the cache-read price cut that pulled Cognition's Devin traffic on launch day.

Model ComparisonsSep 2, 2026 • 10 min

[Read: Claude Fable 5.1 & Claude Mythos 5.1 Benchmarks Explained](/content/blog/claude-fable-5-1-mythos-5-1-benchmarks-explained/index.html)

### How Vellum Remembers

Learn how we built the Vellum Assistant's memory system to remember you, your context, and work.

AllAug 5, 2026 • 9 min

[Read: How Vellum Remembers](/content/blog/vellum-memory-system-breakdown/index.html)

### GPT-5.6 Sol vs Terra vs Luna: Which Tier Should You Actually Use?

A tier-by-tier breakdown of GPT-5.6's three models: benchmarks, pricing, reasoning modes, and which one to route your work to.

Model ComparisonsAug 3, 2026 • 9 min

[Read: GPT-5.6 Sol vs Terra vs Luna: Which Tier Should You Actually Use?](/content/blog/gpt-5-6-sol-terra-luna-explained/index.html)

### Claude Opus 5 Benchmarks Explained

A side-by-side read of Claude Opus 5 against Fable 5, Opus 4.8, and GPT-5.6 Sol on every benchmark Anthropic published, including the ARC-AGI 3 result that triples the next-best model.

Model ComparisonsJul 24, 2026 • 8 min

[Read: Claude Opus 5 Benchmarks Explained](/content/blog/claude-opus-5-benchmarks-explained/index.html)

### How We Gave Your Assistant a Voice

How we made an AI speech pipeline feel like one continuous thing.

AllJul 24, 2026 • 4 min

[Read: How We Gave Your Assistant a Voice](/content/blog/vellum-assistant-ai-speech-pipeline-explained/index.html)