Theo - t3․gg
Software dev, AI nerd, TypeScript sympathizer, creator of T3 Chat and the T3 Stack.

Be careful what you name your markdown files...
The video harshly criticizes Anthropic for opaque billing, poor caching, and restrictive tooling around Claude Code, arguing these practices hurt users and stifle third-party integrations, while highlighting specific egregious examples and suggesting better, user-friendly alternatives.

The painful death of Github
The video argues that GitHub’s repeated outages and perceived leadership failures have eroded trust in the platform, prompting the creator to consider moving open source work to alternatives while detailing personal impact and broader industry implications.

Claude Code's favorite tech stack
The video analyzes how Claude Code and Cloud Code make tool recommendations, highlighting strong DIY tendencies, cross tool preferences, and how model versions influence what developers end up using. It includes a detailed look at a benchmark study and practical implications for vendors and developers.

Realistic advice about software dev right now
The video argues that learning and getting hired as a developer today require focusing on social dynamics and real world skills, not just chasing technical knowledge. It emphasizes surrounding yourself with capable people, measuring progress through feedback, and actively engaging with the community to grow.

Markdown is a terrible language
The video critiques Markdown as a tool for modern workflows, celebrating its origins while arguing it has outgrown its role and calling for a simpler, more well defined approach or alternative tooling. It walks through historical context, current pitfalls, and potential directions beyond plain Markdown.

GitHub has a fake star problem…
The video reveals how GitHub star counts are being manipulated to influence funding and attention, analyzes the evidence from Star Scout and related research, and discusses what this means for open source, investors, and platform enforcement.

I don’t really like GPT-5.5…
The video critically evaluates OpenAI GPT 5.5, noting impressive capabilities and strong code generation but significant downsides including high cost, unstable long threads, and a tendency to miss intent. It also highlights practical tests across benchmarks, frontend demos, and Pro version capabilities, ending with a cautious but hopeful outlook for future improvements.

Open source is dead now?
The video argues that open source is under threat from AI-driven security risks, using Cal.com’s shift to close core code as a case study, and advocates for continuing openness while adopting security-focused funding and tooling strategies.

Did Anthropic just kill Figma?
The video reviews Anthropic's Claude Design and its potential for UI design work, blending hands-on demos with real-world storytelling about design collaboration, prototyping, and design system integration. The creator pounds on both the exciting possibilities and the current rough edges, weighing value against usage costs and bugs.

Did Claude really get dumber again?
The video argues that Claude based systems are showing measurable regressions across models, APIs, and harnesses, and digs into root causes from tokenizer changes to infrastructure and prompt design. It also highlights concrete diagnostics, the impact of context windows and tokenization, and urges exploration of alternatives like Codeex.

This model is kind of a disaster.
The video reviews Anthropic's Opus 4.7, highlighting its strongest strengths in instruction following, multimodal vision, and memory, while also calling out significant reliability and harness issues that can degrade daily use. The creator shares hands-on experiences, tests with Cloud Code and pipelines, and frank opinions on the model’s regressions and the state of Anthropic’s tooling.

Claude's new Cursor killer just dropped
The video offers a critical hands-on review of Claude Code desktop app, contrasting it with Codeex, Code CLI, and other agent coding tools, and ends with a strong stance on open source alternatives and user experience issues.
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