Last updated 07-23-2026
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Hevolve AI
Hevolve AI is a platform for building and talking to multimodal AI agents, with a strong focus on education and language learning. You can browse ready-made agents for speech therapy, spoken English practice, tutoring, and casual conversation, or create your own digital agent that runs around the clock.
The product comes from HertzAI, which builds real-time NLP and computer vision modules for teaching. Hevolve pairs conversational avatars with autonomous curriculum building, assessments, and revision support. It also offers a Mindstory SDK with an OpenAI-compatible API, plus local-first desktop software through Nunba for running agents on your own machine.
It fits educators, therapists, language learners, and professionals who want to package their expertise into an agent. Learners get on-demand help in dozens of languages without booking appointments, while creators can offer pay-per-use access to the agents they build.
Create custom AI agents for free and let them serve clients around the clock
Ready-made agents for speech therapy, spoken English, tutoring, and career prep
Talk to agents in 40+ languages with text or voice, including regional Indian languages
Mindstory SDK exposes an OpenAI-compatible multimodal API with epistemic confidence scoring
Nunba desktop app runs agents locally on Windows with no cloud required
Drop-in website widget and Android app extend agents to mobile and the web
Free agent creation lets educators and experts publish a digital twin without upfront cost.
Covers education use cases that are hard to find elsewhere, including speech therapy and vernacular tutoring.
Local-first Nunba desktop app and documented local inference option reduce reliance on cloud hosting.
OpenAI-compatible Mindstory API makes it straightforward for developers to integrate Hevolve into existing stacks.
Public pricing page lists plans but does not show dollar amounts for premium subscriptions.
Contact page still contains placeholder example contact details rather than verified company info.
Screenshot and heavy page assets can be slow to load, which may affect first-visit experience.
iOS app is not listed; mobile access appears limited to Android and web.
Is Hevolve AI free to use?
Hevolve AI offers free agent creation and a free SDK tier with local inference on your own hardware. The Mindstory API free tier is rate limited to 60 requests per minute, while premium subscriptions unlock unlimited API access, full multimodal input, and higher video generation limits.
Does Hevolve AI require an account?
Yes. Hevolve AI requires login to talk to agents or create a new one. The site supports individual user accounts for agent users and business accounts for AI agent creators or working professionals.
What platforms does Hevolve AI support?
Hevolve AI runs as a web app at hevolveai.hertzai.com, offers an Android app on Google Play, and provides Nunba as a free Windows desktop download. Developers can also embed agents via a website widget or call the Mindstory REST API from any HTTP client.
Can I run Hevolve AI locally without the cloud?
Yes. Hevolve AI promotes local-first use through Nunba, a Windows desktop app that runs on your machine with no cloud required. The Mindstory SDK documentation also lists local inference on your own hardware as part of the free tier.
What languages does Hevolve AI support?
Hevolve AI supports dozens of interface and conversation languages, including English, Hindi, Tamil, Bengali, Spanish, Arabic, French, German, Korean, and many more. Agents can also be configured to teach or converse in a user-selected language.
Does Hevolve AI have a developer API?
Yes. Hevolve AI provides the Mindstory SDK with an OpenAI-compatible chat completions API at azurekong.hertzai.com/v1. It supports text and multimodal input, streaming, expert corrections, and a free tier with documented rate limits.