# Thoughts on Personal Intelligence

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

For the complete post catalog, see [the Vellum blog index](https://www.vellum.ai/blog/llms.txt).

## Latest posts

- [Claude Opus 5 Benchmarks Explained](https://www.vellum.ai/blog/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.
- [How We Gave Your Assistant a Voice](https://www.vellum.ai/blog/vellum-assistant-ai-speech-pipeline-explained): How we made an AI speech pipeline feel like one continuous thing
- [GPT-5.6 Sol vs Terra vs Luna: Which Tier Should You Actually Use?](https://www.vellum.ai/blog/gpt-5-6-benchmarks-explained): A tier-by-tier breakdown of GPT-5.6's three models: benchmarks, pricing, reasoning modes, and which one to route your work to.
- [2026 Marketer's Guide to AI Agents for Marketing Operations](https://www.vellum.ai/blog/complete-ai-agents-guide-for-marketing): Discover the 15 AI agents every marketing team needs in 2026 to automate high impact marketing operations.
- [How a Small Construction Firm Automated Its Bookkeeping With an AI Assistant](https://www.vellum.ai/blog/ai-assistant-construction-firm-bookkeeping): A non-engineer at a small construction firm built an AI assistant to handle the daily bookkeeping. How he set it up without writing the scaffolding himself, and why open source was the deciding factor.
- [How a 3x Founder Made His AI Chief of Staff with Vellum Assistant](https://www.vellum.ai/blog/vellum-assistant-for-ai-chief-of-staff): A serial founder spent his between-companies weeks building his own AI chief of staff, then stopped and bet on a Vellum assistant instead. Why the build-versus-buy math favors a dedicated team, and how he runs his life through one funnel now.
- [How a Vice Mayor Juggling Four Jobs Built an AI Executive Assistant](https://www.vellum.ai/blog/ai-executive-assistant-for-four-jobs): Vice Mayor Chris Caputo runs four executive roles at once. Here's how he built one AI executive assistant to hold them all using Vellum.
- [How a Solo Shopify Owner Automated Customer Support With an AI Assistant](https://www.vellum.ai/blog/automate-customer-support-ai-assistant): Max runs a 200-order-a-day pet portrait store solo. Here is the human-in-the-loop workflow his AI assistant Lucy uses to handle customer support, and how to build it yourself.
- [Claude Fable 5 & Claude Mythos 5 Benchmarks Explained](https://www.vellum.ai/blog/claude-fable-5-and-mythos-5-benchmarks-explained): Anthropic's first Mythos-class model for general use. A breakdown of Fable 5 and Mythos 5: capabilities, the fallback safeguard, access tiers, and the staged pricing rollout.
- [What Can a Personal AI Assistant Actually Do? (2026)](https://www.vellum.ai/blog/what-can-a-personal-ai-assistant-do): A plain-English guide to what a personal AI assistant can actually do in 2026, organized by capability: inbox and calendar, working across your tools, memory, and building apps. Plus best practices for working with one and how to choose the right assistant.
- [Claude Opus 4.8 Benchmarks Explained](https://www.vellum.ai/blog/claude-opus-4-8-benchmarks-explained): A side-by-side read of Claude Opus 4.8 against Opus 4.7, GPT-5.5, and Gemini 3.1 Pro on every benchmark Anthropic published.
- [How to become the AI-native hire every company wants](https://www.vellum.ai/blog/how-to-become-the-ai-native-hire-every-company-wants): It's 2026, and AI agents can produce entry-level work at a much lower cost than a human employee. ClickUp, Webflow, Wix are one of many who'll cut roles and save capital to attract high-leverage hires. Here's how to become one.