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ChatGPT

Default88/100

OpenAI's flagship assistant and the most widely used AI tool in consulting. Handles brainstorming, content drafting, and data analysis (Advanced Data Analysis) — your first stop for quick tasks and exploratory work.

Common alternatives: Claude AIPerplexity AINotion AI

Recommend to a fellow consultant?

Editorial summary

Decision guidance

Verified Oct 2026. Free plan: unlimited everyday text chats with GPT-6, with limits on uploads, image creation, voice and deep research. Go $8/mo (US price; localised in some countries; may include ads). Plus $20/mo, billed monthly. Pro comes in three monthly tiers: $100, $200 or $500 (only Pro 500 includes Ultrafast). Business needs 2+ seats: Standard $25/seat/mo, or $20 billed annually; Premium $125/seat/mo, or $100 billed annually. Enterprise is quoted by sales. Go, Plus and Pro have no annual billing.

Why this tool

The most widely adopted AI tool in consulting. Advanced Data Analysis handles spreadsheet and data work without code, and the platform spans web, mobile, voice, and API — covering nearly every consulting workflow.

When not to use

For research that needs live citations, Perplexity is purpose-built. For the very longest document sets, Claude's larger context window still has an edge.

  • Strongest area: Setup speed
  • Watch area: Pricing sanity

Confidence

How sure are we?

High — 85/100
  • Strong fit for the stated use case.
  • Strong evidence across score areas and recent checks.
Last reviewedJun 2, 2026
Pricing checkedOct 26, 2026
Integrations checkedJun 2, 2026

Workflow fit

Workflow placement

1

Capture

Capture work for Research & Content.

2

Deliver

Get first value in 5 min setup.

3

Connect

Connect with 3 integrations.

Integrations

Compatibility snapshot

Communication
SlackTeam CommunicationReal-time messaging for client channels, updates, and workflow notifications.
Productivity
NotionKnowledge ManagementWorkspace for project wikis, deliverable tracking, and shared knowledge bases.
Automation
ZapierWorkflow AutomationNo-code automation connecting tools into seamless multi-step workflows.

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