Shajanthan

I'm the founder and editor of 9to5AI, an independent publication covering artificial intelligence and technology. I write about AI models, agents, coding tools, developer platforms, research, benchmarks, and the companies shaping the AI industry, with a focus on making complex developments clear, useful, and accessible.

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Beat

OpenAI19 Anthropic18 Frontier models15 Coding agents15

Disclosure

No investments in companies covered. Editorial standards

Stories

Explainers & guides

Since

2026

Corrections

listed publicly

By Shajanthan

Oct 9Benchmarks · Agents8 minSWE-bench, Terminal-Bench and METR: what coding-agent evaluations measure, and what their results don't prove Oct 9Compare · BusinessChecked Oct 8Frontier APIs vs open models: what they really cost Oct 9Compare · AppsChecked Oct 9ChatGPT vs Gemini for research: deep research, long documents, prices and privacy compared Oct 9Compare · AppsChecked Oct 9ChatGPT vs Claude for coding and writing: plans, models and limits compared Oct 9Compare · AgentsChecked Oct 9Claude Code vs Codex vs Cursor: features, prices and limits compared (October 2026)Oct 9Explainer · Hardware7 minWhat an NPU actually does, and why the TOPS number on your laptop matters less than you think Oct 9Explainer · Apps6 minHow Gemini handles a 900-page PDF: the limits, the costs and what long-context benchmarks show Oct 9Explainer · Apps6 minThe Claude app, explained: plans, models, Cowork and how usage limits work Oct 9Explainer · Apps7 minChatGPT agent mode, explained: what it was, why it's gone, and what ChatGPT Work does instead Oct 9Explainer · Models7 minHow to choose a small AI model for your laptop: the memory math and the current shortlist Oct 9Explainer · Agents7 minOpenAI Codex explained: where it runs, which models and limits you get, and how its sandbox works Oct 9Explainer · Agents8 minClaude Code mods, explained: what Anthropic's new extension layer can do, where it runs, and the security trade-off Oct 9Explainer · Policy8 minWhat the EU AI Act means if you only use model APIs Oct 9Explainer · Developer tools8 minModel routing explained: how to mix cheap, mid and frontier models Oct 9Explainer · Models7 minReasoning models explained: thinking tokens, what they cost, and when to use them Oct 9Guide · Models9 minWhich Claude model should you use? The current lineup and official prices Oct 9Guide · Developer tools7 minBuild your first agent with the Claude Agent SDK (TypeScript, October 2026)Oct 9Guide · Developer tools10 minHow to write a CLAUDE.md or AGENTS.md file that coding agents actually follow Oct 9Guide · Open source8 minHow to run an open model locally with Ollama (October 2026)Oct 9Explainer · Business7 minOpenAI explained: who controls it, what it sells, and how it makes money

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