AI · alternatives · 2026
24 alternatives to I built a voice AI investor clone for fun startup pitches
the full stack for those curious: brain (gpt-4o + trained on some notes) || orchestration (vapi)|| voice (elevenlabs)|| hosting (vercel), database (supabase)|| some design inspo from delphi || vibe coding via WisprFlow + cursor/composer ||
This tool is a voice-based AI investor character built for practicing startup pitches. It uses GPT-4o trained on investor notes to simulate realistic pitch feedback through voice conversations. The system combines… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.
- 1
- 2
Luke from ElevenLabs here. We just released Scribe Realtime v2, our new real-time Speech to Text model. We rebuilt it from the ground up around a new architecture that uses predictive transcription – it anticipates the next likely word before it’s spoken. That makes it both fast (around 150 ms latency) and highly accurate. Scribe v2 Realtime outperforms every low latency transcription model across 30 commonly used EU and Asian languages – 93.5% accuracy, compared to Gemini 2.5 Flash (91.4%), GPT-4o MiniTranscribe (90.7%), and Deepgram Nova 3 (85%). It supports 90+ languages including…
2025 · elevenlabs.io · its alternatives →
- 3
Google AI Studio▲492Made using Google’s Lyria music model — an image → music translator. I’m a designer at Google, doing a self-initiated 30 days with Gemini experiment. This is technically a promo, but honestly just pleased with how this one turned out. I don’t write code — this was entirely vibecoded.
2025 · accounts.google.com · its alternatives →
- 4
- 5
Vela OS▲691KuzuDB was archived in 2025. Vela Partners — a leading quant VC — forked it with concurrent writes for multi-agent AI. Benchmarks: 374x faster than Neo4j.
2024 · vela.partners · its alternatives →
- 6
NovaVoice▲578Hey HN, Today I’d like to show what I’ve recently built with my 2 friends. We’ve called it Nova. The idea is to built all-purpose AI Voice Assistant, which is able to interact with mail, to-do apps, messengers and socials, task trackers, apps like UberEats, Notion and some other daily apps. How we decided to work on it: We’ve recently read YC Request for startups Summer25 and were inspired by the idea of AI Voice Assistant for Mail by YC partner Tyler Bosmeny. What we’ve got: We’ve gone a bit further than Assistant for mail only and connected Gmail, Todoist, Google Calendar, and…
Apr 2026 · novavoice.app · its alternatives →
- 7
MyClone▲149Hi HN — I’m Viggy, founder of MyClone. We originally built a marketplace connecting startup advisors with founders. After ~6 months, we had hundreds of recorded discovery calls and transcripts. We noticed something interesting: The first 10 minutes of most advisory calls were almost identical. • What do you do? • Who is this for? • Pricing? • What information do you need from me? • Am I a good fit? So we pivoted. Today, MyClone lets service professionals (consultants, CPAs, etc.) deploy an AI voice agent that: • Answers FAQs in their voice • Runs structured intake conversations • Qualifies…
Nov 2025 · myclone.is · its alternatives →
- 8
Inworld TTSfree tier, from $25/mo▲318Hey HN, this is Igor, one of the engineers behind Inworld Runtime, which we're releasing today in public preview. We built it to solve the common problem we and our customers had: engineers spend more time on AI ops and plumbing than on actual feature development. This was often due to the challenge of using Python for I/O-bound, high-concurrency workloads and complexity maintaining pipelines with streams that use always-changing ML models. Our solution is a high-performance runtime written in C++ with the core idea of defining AI logic as graphs. For instance, a basic voice-to-voice…
2025 · inworld.ai · its alternatives →
- 9
We want to make interactions feel warmer and human via audio - just like chatting with a friend. We're making voice AI's as simple, reliable and accessible as any other API in your stack.
2024 · blog.vapi.ai · its alternatives →
- 10
Venture GPT▲230AI copilot for startup founders and VC investors
2024 · chatgpt.com · its alternatives →
- 11
- 1218
Hey HN, I’m Jordan, founder of Vapi. For the past 1.5 years, we've been building voice infrastructure designed to help developers easily create, test, and deploy voice agents. We’re everything between raw models (like the realtime API) and end-users interacting with voice agents over telephony or within applications. We’ve been around for about 1.5yrs. Vapi was born out of a personal frustration—I wanted to build my own voice agent but found existing solutions extremely limited. Back then, there were only a handful of voice AI startups. Since March 2024, we've witnessed a Cambrian explosion…
2025 · its alternatives →
- 13
- 14
- 15
TLDR: We created a personalised Andrej Karpathy tutor that can response to questions about his Youtube videos in sub 1 second responses (voice-to-voice). We do this using a voice enabled RAG agent. See later in the post for demo link, Github Repo and blog write up. A few weeks ago we released the worlds fastest voice bot, achieving 500ms voice-to-voice response times, including a 200ms delay waiting for a user to stop speaking. After reaching the front page of HN, we thought about how we could take this a step further based on feedback we were getting from the community. Many companies were…
2024 · educationbot.cerebrium.ai · its alternatives →
- 16
AI-powered feedback to perfect your pitch & win investors
2025 · app.pitchperfect.cloud · its alternatives →
- 17WU
hey y'all -- can you please tell us if our job search tool sucks? :D we built it using an investor platform called Harmonic.ai to gather startup data, then contextualize it so that job seekers could find out about the most exciting startups hiring first (like if they just raised, growing headcount fast, have an ex-unicorn founder, etc). pretty sure we're the first platform doing anything like this. anyway, let me know what you think. really excited to launch this thing soon! getting feedback from the hn community first is really fun :)
2022 · joinmaasive.com · its alternatives →
- 18
- 19CC
Hey there HN! I believe the future of AI communication will be more voice and less text. Low-latency realistic voice interactions are finally becoming feasible. I've built a few voice-first apps on Retell AI using Elevenlabs voices. This one uses Claude Haiku for responses and Mixtral to switch between posts and comments. The AI knows about the top 30 posts and their comments on Hacker News right now. After a Google sign-in you can try it free for 10 minutes. I'd love to hear your thoughts!
2024 · callhackernews.com · its alternatives →
- 20
- 21
- 22
- 23
- 24
Also compare
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →