Thoughts and notes by Purnesh.https://purnesh.com/https://purnesh.com/posts/codex-is-the-gateway-to-ai/https://purnesh.com/posts/codex-is-the-gateway-to-ai/A short X post comparing Codex to Chrome as a gateway layer.Tue, 26 May 2026 00:00:00 GMThttps://purnesh.com/posts/computers-without-codex-claude/https://purnesh.com/posts/computers-without-codex-claude/A note on AI agents becoming the starting point for everyday computer work.Tue, 26 May 2026 00:00:00 GMThttps://purnesh.com/posts/ai-coding-agents-headcount-level-spend/https://purnesh.com/posts/ai-coding-agents-headcount-level-spend/A note on AI coding agent budgets moving from tool spend to core infrastructure.Tue, 19 May 2026 00:00:00 GMThttps://purnesh.com/posts/switching-models-is-not-incremental/https://purnesh.com/posts/switching-models-is-not-incremental/A note on workflow changes when moving between AI model generations.Mon, 27 Apr 2026 00:00:00 GMThttps://purnesh.com/posts/software-company-in-2026/https://purnesh.com/posts/software-company-in-2026/A short note on how software company formation is changing.Tue, 21 Apr 2026 00:00:00 GMThttps://purnesh.com/posts/speech-to-text-and-thinking/https://purnesh.com/posts/speech-to-text-and-thinking/Two observations from using speech-to-text AI for coding, email, and daily work.Tue, 21 Oct 2025 00:00:00 GMThttps://purnesh.com/posts/search-intent-and-ai-search/https://purnesh.com/posts/search-intent-and-ai-search/Three thoughts on monetization, search market size, and AI search adoption.Sat, 11 Oct 2025 00:00:00 GMThttps://purnesh.com/posts/qapita-us-market-strategy/https://purnesh.com/posts/qapita-us-market-strategy/A note on how much strategy can sit behind an apparently sudden announcement.Thu, 09 Oct 2025 00:00:00 GMThttps://purnesh.com/posts/sora-cameos/https://purnesh.com/posts/sora-cameos/A short note on trying Sora Cameos, why the feature felt delightful, and sharing a few invite codes.Thu, 02 Oct 2025 00:00:00 GMThttps://purnesh.com/posts/tool-loyalty-is-shortening/https://purnesh.com/posts/tool-loyalty-is-shortening/A note on how quickly AI coding tools replace one another in real workflows.Tue, 02 Sep 2025 00:00:00 GMThttps://purnesh.com/posts/gemini-25-pro-season/https://purnesh.com/posts/gemini-25-pro-season/A short note on how quickly AI coding workflows age.Thu, 15 May 2025 00:00:00 GMThttps://purnesh.com/posts/beyond-checkbox-software/https://purnesh.com/posts/beyond-checkbox-software/A note on why product experience is hard to explain through feature comparisons.Tue, 13 May 2025 00:00:00 GMThttps://purnesh.com/posts/notebooklm-shows-how-fast-ai-becomes-a-feature/https://purnesh.com/posts/notebooklm-shows-how-fast-ai-becomes-a-feature/A note on how quickly magical AI products become standard product features.Tue, 08 Apr 2025 00:00:00 GMThttps://purnesh.com/posts/vibe-coding/https://purnesh.com/posts/vibe-coding/A note on shipping at the speed of vibes and how AI coding culture showed up on Actalyst's office wall.Tue, 04 Mar 2025 00:00:00 GMThttps://purnesh.com/posts/actalyst-at-nvidia-ai-summit-india/https://purnesh.com/posts/actalyst-at-nvidia-ai-summit-india/A note on Actalyst joining the Inception Startup Pavilion at NVIDIA AI Summit India.Wed, 18 Sep 2024 00:00:00 GMThttps://purnesh.com/posts/actalyst-turns-1/https://purnesh.com/posts/actalyst-turns-1/A reflection from Actalyst turning one on trust, team rhythm, and time off.Fri, 22 Dec 2023 00:00:00 GMThttps://purnesh.com/posts/generative-ai-leaves-startup-gaps-around-the-edges/https://purnesh.com/posts/generative-ai-leaves-startup-gaps-around-the-edges/A reflection on using ChatGPT for interior design and where startup opportunities remain.Tue, 28 Nov 2023 00:00:00 GMThttps://purnesh.com/posts/chunk-size-matters-for-enterprise-llms/https://purnesh.com/posts/chunk-size-matters-for-enterprise-llms/A summary link to an Actalyst article on embeddings, chunking strategy, and enterprise LLM application quality.Tue, 01 Aug 2023 00:00:00 GMThttps://purnesh.com/posts/llm-use-cases-start-with-limits/https://purnesh.com/posts/llm-use-cases-start-with-limits/A note on finding enterprise generative AI use cases by starting with model limitations.Tue, 04 Jul 2023 00:00:00 GMThttps://purnesh.com/posts/ai-may-create-more-free-time/https://purnesh.com/posts/ai-may-create-more-free-time/A note on AI, productivity, jobs, and the possibility of better work-life balance.Sat, 01 Jul 2023 00:00:00 GMThttps://purnesh.com/posts/gpt-4-exposes-data-modeling-gaps/https://purnesh.com/posts/gpt-4-exposes-data-modeling-gaps/A note on GPT-4, schema design, and why human expertise still matters.Tue, 04 Apr 2023 00:00:00 GMThttps://purnesh.com/posts/choosing-the-name-actalyst/https://purnesh.com/posts/choosing-the-name-actalyst/A note on naming the company and landing on Actalyst.Fri, 23 Dec 2022 00:00:00 GMThttps://purnesh.com/posts/starting-actalyst/https://purnesh.com/posts/starting-actalyst/A note from the moment I decided to start Actalyst and step into a long-time aspiration.Thu, 22 Dec 2022 00:00:00 GMThttps://purnesh.com/posts/chatgpt-and-search-disruption/https://purnesh.com/posts/chatgpt-and-search-disruption/A LinkedIn post on ChatGPT, context understanding, and why search could be disrupted.Tue, 20 Dec 2022 00:00:00 GMThttps://purnesh.com/posts/business-insider-live-discussion/https://purnesh.com/posts/business-insider-live-discussion/A short archive note from a Business Insider India live discussion.Fri, 01 Oct 2021 00:00:00 GMThttps://purnesh.com/posts/gpt-3-shattered-my-beliefs-about-automation/https://purnesh.com/posts/gpt-3-shattered-my-beliefs-about-automation/A 2020 LinkedIn article on GPT-3, abstraction, and competing with AI for knowledge work.Mon, 20 Jul 2020 00:00:00 GMT