Podonos
Podonos provides human-in-the-loop voice AI evaluation infrastructure, combining 150,000+ pre-screened evaluators with AI automation to assess speech quality, naturalness, and similarity across 9+ languages and 13+ locales for TTS providers, voice AI developers, and media/entertainment customers.
- Company typePrivate
- Founded2024
- HeadquartersLos Gatos, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Podonos does
Podonos is a voice AI evaluation infrastructure startup that combines a network of more than 150,000 pre-screened human evaluators with AI-driven automation to assess voice AI models on criteria including naturalness (NMOS), similarity (SMOS), quality (P.808), emotion, noise resilience, pronunciation accuracy, and persona alignment. Founded in 2024 and headquartered in Los Gatos, California, the company supports evaluation across 9+ languages and 13+ locales (covering English, Spanish, Mandarin, Korean, French, German, Japanese, Italian, Polish, Portuguese, Hindi, Arabic, Vietnamese, and others) with results delivered in under 12 hours and a median turnaround of roughly 5h 56m across locales. Its technical stack includes a six-layer quality control system (acoustic environment detection, fatigue management, attention tests, post-evaluation reliability scoring, query-order shuffling, and loudness normalization), adherence to ITU-T P.808 and ITU-R P.835 standards, and bias-minimization techniques such as evaluator blinding and one-month cooldowns between evaluations.
The platform is delivered through three access points: a self-serve web workspace at workspace.podonos.com, a Python SDK distributed via pip (enabling evaluation creation in as few as 5 lines of code), and a REST API. Podonos serves voice AI developers, TTS providers, and conversational AI teams — with named customers including Play AI, Resemble AI, XL8, Revoize, and Typecast — and is also expanding into media/entertainment and multilingual localization use cases. Revenue is generated through a usage-based model capped at $0.22 per rating combined with structured enterprise subscription tiers ranging from $1,000 to over $10,000 per month, supported by a "Book a demo" enterprise sales motion alongside product-led self-serve onboarding. The company raised $2.4 million in pre-seed funding in September 2025 led by Serac Ventures with participation from NAVER D2SF and KAIST Ventures, joined the NVIDIA Inception and Google AI Academy programs in 2024, and is led by founder and CEO Dr. Soohyun Bae.
Podonos firmographics
Firmographics- Name
- Podonos
- Legal name
- Podonos Inc.
- Website
- https://podonos.com
- Company type
- Private
- Founded year
- 2024
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Podonos provides human-in-the-loop voice AI evaluation infrastructure, combining 150,000+ pre-screened evaluators with AI automation to assess speech quality, naturalness, and similarity across 9+ languages and 13+ locales for TTS providers, voice AI developers, and media/entertainment customers.
- Ownership category
- akta.pro rank
Podonos industry classification
Industry- Product category
- Voice AI Evaluation Platform
- NAICS
- Other Sound Recording Industries (51229)
- SIC
- Services-Computer Programming Services (7371), Services-Prepackaged Software (7372)
- akta.pro primary industry
- Audio & Speech Analytics (call analytics, QA, insights) (HDAAAFAH)
- akta.pro secondary industries
- Voice Cloning, Dubbing & Audio Generative Media (HDAAAFAK), Speech Enhancement & Noise Suppression (AEC/NR) (HDAAAFAG)
Keywords
Where Podonos is headquartered
LocationHeadquarters
- HQ city
- Los Gatos
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Podonos business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Per-Rating Evaluation Fees: Customers pay per rating/evaluation completed. Maximum cost is $0.22 per rating. The platform uses a monthly recurring deposit system where customers prepay for evaluation credits.
- Enterprise Evaluation Projects: Custom evaluation projects for enterprise customers with specific needs, targeting companies with monthly project budgets of $1,000+ to $10,000+.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Monthly | Usage-based pricing with maximum $0.22 per rating |
| Subscription | Monthly | Enterprise custom pricing for large projects |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels5 records
Podonos product offering
Product offeringCore offering
Podonos provides a human-in-the-loop voice AI evaluation platform that combines a network of 150,000+ pre-screened human evaluators with AI-driven automation to assess voice AI models on criteria including naturalness, emotion, noise resilience, pronunciation accuracy, similarity, and persona alignment. Customers submit audio samples via web workspace or Python SDK and receive comprehensive evaluation reports within 12 hours across 9+ languages and 13+ locales. The platform supports ITU-T P.808 standard methodologies, ranking via Bradley-Terry statistical modeling, and bias minimization through query shuffling and loudness normalization.
Product overview
Podonos is a voice AI evaluation infrastructure startup offering a unified platform that combines a network of over 150,000 human evaluators with AI-driven automation to assess voice AI models. The core product includes the Podonos Evaluation Platform (web-based workspace and API), supported by the Python SDK for programmatic access. The platform supports multiple evaluation types including Naturalness (NMOS), Quality (P.808), Voice Similarity (SMOS), Preferences (PREF), Ranking, Comparative Similarity (CSMOS), and Reference-Based Comparison (CMOS). Additional features include an Emotion Detection API (beta), Annotation capabilities for detailed feedback, and an Analysis Dashboard for result visualization. Customers upload audio files via the web interface or API, and receive comprehensive evaluation reports within 12 hours across 9+ languages and 13 locales.
Differentiator
Problem solved
Functional benefit
Products and services
- Podonos Evaluation Platform A human-in-the-loop SaaS platform that evaluates voice AI models using 150,000+ qualified human evaluators combined with AI-driven automation. The platform assesses voice AI across criteria including naturalness, emotion, noise resilience, pronunciation accuracy, and persona alignment, delivering comprehensive evaluation reports within 12 hours for B2B customers building TTS, voice cloning, and conversational AI systems.
- Podonos Python SDK A Python software development kit that enables developers to programmatically create and manage voice AI evaluations. Provides abstractions for Client, Evaluator, and File objects, allowing users to automate evaluation workflows, create templates, and retrieve results through code, targeting B2B developers integrating evaluation into their ML pipelines.
- Podonos Workspace A web-based interface for creating, managing, and analyzing voice AI evaluations without writing code. Users can upload audio files, configure evaluation parameters, view results, and generate reports through the browser-based platform, targeting B2B teams that prefer no-code workflows.
Quantifiable outcome
- 80% of evaluations completed in under 4 hours (as of Q1 2025)
- +2 more outcomes
Companies that use Podonos
Customer profileNamed customers4 records
Segments3 records
Ideal customer profiles3 records
Podonos technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration2 records
AI capability2 records
Feature6 records
Podonos partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- NVIDIAcorePodonos joined NVIDIA Inception program, gaining access to NVIDIA hardware, deep learning institute credits, technology assistance, and investor connections to support AI model development and customer outreach.
- GooglecorePodonos joined Google for AI Academy program, an initiative that connects AI startups with Google's ecosystem and resources for growth and development.
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
Podonos competitors and assessment
Company assessmentBroad incumbents
- Scale AI: Scale AI is the largest AI data labeling and evaluation platform, serving foundation model developers across modalities. It competes with Podonos in human-in-the-loop evaluation and benchmarking, though at much broader scope and significantly larger scale.
- Appen: Appen is a long-established data annotation and evaluation provider with global crowdsourcing infrastructure across 130+ countries. It offers audio/speech annotation services that overlap with Podonos's human evaluator network, albeit at lower specialization for voice AI.
- TELUS International (Lionbridge AI): TELUS International's AI data solutions division offers large-scale multilingual data annotation and evaluation services. It competes with Podonos for enterprise voice AI evaluation contracts, leveraging deeper enterprise relationships and broader service offerings.
Direct peers
- Surge AI: Surge AI provides expert human data labeling and evaluation services for frontier AI labs, with emphasis on nuanced subjective tasks. It is the most direct competitor to Podonos in premium human evaluation services for generative AI.
- Defined.ai: Defined.ai operates a marketplace for training data and human evaluation services across speech, NLP, and computer vision. It competes with Podonos in providing curated human evaluation pipelines for speech and voice AI model developers.
- Labelbox: Labelbox provides a data labeling and evaluation platform with human-in-the-loop workflows for AI developers. It competes with Podonos in the broader evaluation infrastructure category, though Podonos is more specialized for voice/speech modality.
Emerging players
- Deepgram: Deepgram provides speech-to-text and audio intelligence APIs, with emerging capabilities around speech quality analytics. While primarily ASR-focused, its expansion into voice analytics creates partial overlap with Podonos's evaluation-as-a-service offering.
- AssemblyAI: AssemblyAI offers speech recognition and audio understanding APIs with features like speaker diarization and content moderation. Its push into audio intelligence overlaps thematically with Podonos's voice AI evaluation use cases, particularly for production monitoring.
- ElevenLabs: ElevenLabs is a leading voice AI platform offering TTS, voice cloning, and dubbing. As a major voice AI builder, it represents both a potential customer of Podonos for benchmarking and a potential competitor if it builds in-house evaluation infrastructure.
Regional players
- PlayHT: PlayHT is a TTS and voice cloning platform that is both a disclosed Podonos customer and an adjacent player in the voice AI ecosystem. It uses Podonos for evaluation, illustrating both the partnership dynamics and the cross-competition potential in voice AI tooling.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
Podonos social profiles
Digital presencePodonos financial estimates
Financial estimateRevenue estimate
Valuation estimate
Podonos leadership team
Management profileNumber of profiles
Profiles1 record
Podonos funding detail
Funding detailFunding overview
Funding rounds1 record
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Podonos M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Podonos
What does Podonos do?
Podonos provides a human-in-the-loop voice AI evaluation platform that combines a network of 150,000+ pre-screened human evaluators with AI-driven automation to assess voice AI models on criteria including naturalness, emotion, noise resilience, pronunciation accuracy, similarity, and persona alignment. Customers submit audio samples via web workspace or Python SDK and receive comprehensive evaluation reports within 12 hours across 9+ languages and 13+ locales. The platform supports ITU-T P.808 standard methodologies, ranking via Bradley-Terry statistical modeling, and bias minimization through query shuffling and loudness normalization.
Is Podonos a public or private company?
Podonos is a private company. It is classified as venture growth investor backed and is currently operating.
When was Podonos founded?
Podonos was founded in 2024. It employs 1 to 10 people.
Where is Podonos based?
Podonos is headquartered in Los Gatos, United States, in the North America region.
How does Podonos make money?
Two revenue lines are on record. Per-Rating Evaluation Fees are the primary driver. The others are enterprise Evaluation Projects.
Who are Podonos's main competitors?
Broad incumbents on record are Scale AI, Appen and TELUS International (Lionbridge AI). Direct peers are Surge AI, Defined.ai and Labelbox. Emerging players are Deepgram, AssemblyAI and ElevenLabs. PlayHT is listed as a regional player.
Does Podonos have an API?
Yes. Podonos provides a REST API that enables developers to programmatically create and manage voice AI evaluations. The API supports evaluation types including naturalness (NMOS), quality (P.808), preferences, similarity, ranking, comparative similarity (CSMOS), and reference-based comparison (CMOS). Developers can create evaluators, add audio files, manage templates, and retrieve evaluation results. Authentication is via API key, set using the PODONOS_API_KEY environment variable. Developer documentation is at www.podonos.com/docs.
What industry is Podonos in?
Podonos's product category is Voice AI Evaluation Platform. Its primary akta.pro industry code is HDAAAFAH, Audio & Speech Analytics (call analytics, QA, insights), with a secondary code of HDAAAFAK, Voice Cloning, Dubbing & Audio Generative Media. Its NAICS code is 51229 and its SIC code is 7371.