OpenAI
OpenAI's AI assistant used by over 200 million people worldwide
ChatGPT is the world's most widely used AI assistant, powered by GPT-5.5 Instant (default as of May 2026) with GPT-5.5 and GPT-5.5 Thinking available on paid plans. It supports text, image, voice, and file inputs, and offers custom GPTs, a code interpreter, web browsing, and image generation — all in one interface.
The most widely used AI assistant with the broadest feature set of any consumer product.
Free tier · $20/mo Plus · $25/mo Team
AI Vendor Safety & Governance Due Diligence Checklist
A one-page vendor risk summary with specific gaps flagged as dealbreaker vs. mitigable, ready for procurement or legal review.
Agentic AI Incident Response Triage
A triage assessment distinguishing agentic from human-operated attack patterns, immediate containment steps, and a leadership-ready incident summary.
Headcount & Workforce Cost Planning Model
A driver-based headcount plan: FTE roster logic, fully-loaded cost, hiring ramp, and scenario toggles.
CAPEX Investment Appraisal Builder (NPV / IRR / Payback)
A complete capex appraisal: cash-flow layout, NPV/IRR/payback with formulas, and a decision memo.