Free Guesstimates - 13 Free AI tools

GlobalGPT v3.0.0

All-in-One Access to AI power: GPT4, Claude, Gemini, Perplexity, Midjourney, Kling and

Agents

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Released 4mo ago

Free + from $7.0/mo

19,366

242

4.2

AskBooks

Summarizes books and offers author insights via chat.

Q&A from books

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Released 2y ago

Free + from $4.80/mo

23,896

142

2.8

Experts GPT

Embody 3 expert personas for diverse discussions.

Expert advice

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Released 1y ago

100% Free

1,400

80

3.0

CostGPT

Generate software cost and time estimates, with just an idea!

Software cost estimation

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1,367 costgpt.ai

Best AI tool so far, easy to use and provides accurate estimations.

121 Reply Share Delete Report

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Released 1y ago

Free + from $49

4,692

75

4.9

GPT-4 Consulting

AI-powered business consulting at your fingertips

Business consulting

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ye it provides basic business advice, but the site itself feels plain and uninspired, the structure is minimal, and there's nothing visually engaging to keep you interested.

2 Reply Share Delete Report

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Released 2y ago

100% Free

6,789

73

2.3

Octofy

Automatic AI selection for your task

Productivity

Open

12,127 octofy.ai

It’s a powerful and intuitive tool that simplifies complex tasks, boosts productivity, and makes managing work smoother than ever. Highly recommended!

137 Reply Share Delete Report

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Released 8mo ago

Free + from $7.99/mo

15,998

51

4.2