GRID

GRID

Freemium

The spreadsheet engine for AI agents and developers that gives LLMs a structured interface to read, write, and calculate spreadsheets without generating brittle code.

AI Spreadsheet and Excel ToolsAI DataAI ProductivityDeveloper
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What is GRID?

GRID is a developer-focused spreadsheet engine built for AI-native products. Install from npm, give your AI agent structured tool calls to read cells, apply changes, and recalculate, and GRID handles the deterministic Excel-compatible math without the agent generating fragile Python code each time. It includes a Spreadsheet Viewer, Editor, and Excel add-in as ready-made UI components, and is used at the core of products built by major investment banks and a leading LLM provider. Free evaluation license via npm, commercial licensing when you ship.

Key Features

Headless Spreadsheet EngineLLM Tool Call InterfaceExcel & Google Sheets CompatibilityDeterministic Cell RecalculationGoal Seek & Solver APISpreadsheet Viewer ComponentSpreadsheet Editor ComponentExcel Add-In Buildernpm Package DistributionFree Evaluation LicenseAgent Skill TemplatesSandbox Error CatchingLow Token Usage vs Code GenerationMajor Investment Bank TrustedReact Integration

Integrations

Data & Spreadsheets
Microsoft ExcelGoogle Sheets
Development
Reactnpm

How to Use GRID

1Run npm install @grid-is/spreadsheet-engine
2Add GRID's spreadsheet skills to your AI agent
3Send tool calls to read, write, and recalculate cells
4Use the Viewer or Editor UI components for your users
5Contact GRID for a commercial license when you ship

✅ Best For

  • AI engineers, product developers, and solution architects building agentic products that need to read, modify, or generate spreadsheets reliably, without the latency, token cost, and hallucination risk of having an LLM generate Python code to manipulate Excel files.

❌ Not For

  • Non-technical business users who want a no-code AI spreadsheet assistant, as GRID is a developer SDK and headless engine rather than a consumer-facing spreadsheet application.

Reviews

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Pricing

Free$0
  • ✓Evaluation license via npm
  • ✓full engine access
CommercialCustom
  • ✓License when shipping to production
  • ✓direct team support

Prompts to Try

goalSeek({ set: 'Assumptions!B7', target: 'Summary!B2 = 250000' })

model.write('A2', 125000)

model.read('B5:D10')

engine.recalculate('Sheet1')

Use Cases

An AI engineer at a fintech startup integrates GRID into their LLM-powered financial modeling agent, allowing users to ask 'how low does churn need to be to hit $250K ARR?' and get an answer in 1.5 seconds with 86 tokens, vs 11 seconds and 3,240 tokens with a code-generation approach.
A developer at an investment bank builds an Excel add-in where the AI model runs domain-specific financial analysis skills using GRID's sandboxed engine, preventing the model from corrupting important spreadsheet files by catching errors before they touch the file.
A product team at a SaaS company uses GRID's Viewer component to embed a live, interactive Excel-based pricing calculator inside their web app, without rebuilding the underlying financial model from scratch.
An AI platform company builds a spreadsheet generation feature for their agent, using GRID to produce accurate multi-tab Excel workbooks from natural language prompts at scale, replacing a brittle code-generation approach that broke on edge cases.
A consulting firm uses GRID's Editor component to give clients an in-browser spreadsheet experience for editing AI-generated budget models, with full Excel formula compatibility and no file download required.

Frequently Asked Questions