AI Stack for Strategy & Planning

My working reference for strategy and finance professionals navigating the modern AI stack. Two macro categories: the individual productivity tools you use at your own desk, and the enterprise platforms your organization deploys for planning, analytics, and reporting. I used many tools in daily basis, and have tried, tested the others.

Last updated June 2026. Refreshed quarterly.

A. Individual Productivity Stack

Seat-licensed tools a strategy or finance professional uses at their own desk. Low procurement friction. Decision lives with the user. The goal here is to compress your analytical cycle from days to hours.

A1. Frontier reasoning models

The base layer. Pick a primary, learn it deeply, treat the others as situational.

ToolWhat it does Links
Anthropic Claude (Opus 4.6 / Sonnet 4.6 / Haiku 4.5)Advanced reasoning, long-context analysis, strategy synthesis, complex writing.claude.ai
OpenAI ChatGPT (Enterprise / Plus)Broad capability, strong ecosystem, plugins, GPTs, and agent features.chatgpt.com
Google Gemini AdvancedStrong multimodality, Google ecosystem integration, research and analysis.gemini.google.com
Claude CodeAI coding assistant in your terminal. Great for data work and automation.claude.ai/code

A2. Research and market intelligence

Competitive intelligence, due diligence, market sizing, validating forecast assumptions.

ToolsWhat it doesLink
Perplexity AI

Real-time web search with clickable citations. Defensible sources for board-ready numbers.perplexity.ai
AlphaSense & TegusPublic-market research platform. Earnings transcripts, filings, broker research, Workflow Agents.alpha-sense.com
HebbiaAI associate for buy-side and corp dev. Synthesizes Bloomberg, transcripts, primary documents.hebbia.com

A3. Excel and spreadsheet AI

Spreadsheets are still the most-used analytical tool in finance. The AI layer on top is now significant.

ToolsWhat it doesLink
ShortcutExcel-native financial modeling agent. Three-statement models, formatting, historical data.tryshortcut.ai
Microsoft 365 Copilot in ExcelAI inside Excel. Formula generation, ad hoc table analysis, Power BI insights.microsoft.com/copilot
Google Sheets GeminiGemini in Sheets. Collaborative analysis; weaker on complex multi-tab models.workspace.google.com

A4. Personal productivity and workspace

The “second brain” layer. Notes, tasks, projects, personal databases, and now AI agents that run across all of it.

ToolsWhat is doesLink
Notion (with AI Agents)Workspace and second brain. AI Agents run 20 min autonomously across Notion, Slack, Gmail.notion.com
Coda (now Superhuman)Docs, databases, mini-apps with AI. Stronger than Notion on database logic.coda.io
MemAI-native capture and recall. Lightweight inbox layer; good complement to Notion.mem.ai

A5. Personal knowledge management

Build a custom AI assistant grounded in a body of sources you picked. Strategy report reads, contract reviews, board prep.

ToolsWhat is doesLink
Google NotebookLMPersonal RAG over up to 50 sources per notebook. Audio Overviews and Deep Research.notebooklm.google.com
Claude Projects/CoworkPersistent context for recurring workflows. Lightest curated-corpus toolclaude.ai
ChatGPT Projects + Custom GPTs
OpenAI equivalent. Custom GPTs codify recurring tasks in your house style.chatgpt.com
Sana AINo-code AI agents grounded in enterprise sources. Access company knowledge, generate content, and automate repetitive tasks across various integrated apps and large language modelssanalabs.com
HarveySpecialized legal AI. M&A diligence and contract review at scale.harvey.ai

A6. Slides, presentations, and visual artifacts

Self-explained.

ToolsWhat is doesLink
Microsoft 365 Copilot in PowerPointAI inside PowerPoint. First-cut board slides from data and source docs.microsoft.com/copilot
GammaWeb-format presentations, fast. Pitch decks without two hours of layout work.gamma.app
Claude ArtifactsOne-off interactive visualizations and simple dashboards inside Claude.claude.ai

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