Free AI APIs for Simulation - 6 Free AI tools

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Sponsor Speechmatics - API for Voice AI Agents

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Chronostates

Have an Idea? Build Worlds. Shape them. Publish Legends

World creation

Open

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Released 3mo ago
Free + from $8.99/mo

2,877
12
5.0
Upsearch

Track your brand's visibility across AI search engines.

Answer engine optimization

Open

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Released 2mo ago
Free + from $47.3/mo

748
4
5.0
Spec

Turn any idea into engineering-ready product specs.

Technical specifications

Open

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Released 26d ago
Free + from $23/mo

491
3
Browserbeam

The Browser API Built for AI Agents

Web scraping

Open

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Released 17d ago
Free + from $29/mo

188
1

Verified tools

Uthana

Generate motion on any character, from prompt to production.

Character animation

Open

5,153 uthana.com

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🇺🇸 United States
Released 4mo ago
Free + from $10/mo

5,715
10
5.0
VicSee

Create cinematic videos and stunning images with AI.

Multimedia

Open

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Released 5mo ago
Free + from $15/mo

1,033
16
3.5
Surmado Scout

AI visibility, site audits, Local GEO, and site migration for small business

Marketing analysis

Open

13,625 www.surmado.com

Riley Knapp

May 1, 2026

@Surmado Scout

Very interesting product.

Reply Share Edit Delete Report

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Released 5mo ago
Free + from $25

14,602
15
5.0
GoEnhance | AI Kissing Videos

Turn photos into realistic AI kissing videos instantly.

Kissing videos

Open

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🇺🇸 United States
Released 7mo ago
Free + from $8/mo

2,527
16
2.3
SponsorSpeechmatics - API for Voice AI Agents
Minds

Create AI minds of real people. Talk to anyone.

Characters

Open

224 art-of-x.com

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Released 7mo ago
Free + from $5/mo

1,431
15
4.2

Other tools

ElevenLabs v3

Create lifelike AI voices for compelling storytelling.

Text to speech

Open

76,588 www.elevenlabs.io

Grzegorz Rolnik

🙏 101 karma

Aug 3, 2023

@ElevenLabs

too expensive for me, I just want to make memes, not pay that much

9532 Reply Share Edit Delete Report

Share

🇺🇸 United States
Released 4mo ago
Free + from $3/mo

159,696
745
4.1
Kie.ai Veo 3 API

AI-powered video creation with synchronized audio

Videos

Open

Saurav Mishra

🙏 15 karma

Jun 13, 2025

@Kie.ai Veo 3 API

it does not give you enough credits to use veo3 which it claim to .

123 Reply Share Edit Delete Report

Share

Released 11mo ago
Free + from $5

8,837
22
3.6
WebAssistants.ai

Add custom AI assistants to your website in minutes.

Chatbots

Open

1,508 webassistants.ai

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Released 1y ago
Free + from $9/mo

2,233
8
2.0
CodeSignal Learn

Master tech skills to advance your career.

Tech career mentoring

Open

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🇺🇸 United States
Released 2y ago
Free + from $24.99/mo

552
1
HeyPhoto

Free AI photo editor to change faces in clicks

Image editing

Open

4,393 hey-photo.com

gale eras

🙏 52 karma

Apr 28, 2024

@HeyPhoto

Would be nice to try some other feature without paying even if only 5 trys

156 Reply Share Edit Delete Report

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🇺🇸 United States
Released 3y ago
Free + from $9/mo

21,246
107
3.4
Speechactors

Bring words to life with AI-powered voiceovers.

Text to speech

Open

622 speechactors.com

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Released 4y ago
Free + from $23/mo

2,454
12
5.0

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