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Potato
What it is
Potato is a free, open-source tool for annotating text, audio, images, video, and qualitative data. Annotation tasks are set up in YAML, and the maker says users can build an interface without programming. Its homepage lists 61 annotation types, from classification and spans to bounding boxes, polygons, and qualitative coding. It also supports work with multi-agent teams on an interaction graph and evaluation of computer-use, voice, and video agents.
AI assistance can suggest labels, highlight keywords, check quality and consistency, prepare pre-annotations, and generate explanations. Integrations include OpenAI, Anthropic Claude, Google Gemini, Ollama, HuggingFace, OpenRouter, vLLM, YOLO, and LangChain. Imports include text, image, audio, video, PDF, and HTML; exports include JSON, JSONL, CSV, CoNLL, Hugging Face, COCO, and YOLO. Potato runs locally or on users’ own servers, with offline use supported. The free plan includes all features and has no usage limits. It is self-hosted only, released under GNU GPL version 3 or later, and its quick start requires pip and Python 3.7 or later.
For and against
For
- Free plan includes all features with no usage limits.
- Supports 61 listed annotation types.
- AI assistance includes suggestions and consistency checks.
- Imports and exports cover varied data formats.
- Supports offline use on local or own servers.
Against
- Self-hosted only; no managed cloud tier.
- Installation requires pip and Python 3.7 or later.
The verdict
Potato brings text, media, and qualitative annotation into one self-hosted platform, with AI assistance and many listed integrations. Its main consideration is that users must run and maintain it themselves.
Who it suits
Potato suits teams that need to annotate varied media or qualitative data, including people working with AI agents or crowdsourced participants. It is also an option for users who want local or self-hosted deployment and can manage installation themselves.
Plans and prices
Free
Self-hosted · all features included
Read 29 Sep 2026 · potatoannotator.com
On the record
- Agent evaluation
- Potato supports annotating multi-agent teams on an interaction graph and evaluating computer-use, voice, and video agents.potatoannotator.com · read 29 Sep 2026
- AI features
- AI assistance includes label suggestions, keyword highlighting, quality checking, pre-annotation, explanation generation, and consistency checking.potatoannotator.com · read 29 Sep 2026
- Annotation types
- The homepage lists 61 annotation types, including classification, spans, bounding boxes, polygons, video, audio, and qualitative coding.potatoannotator.com · read 29 Sep 2026
- Crowdsourcing
- Potato documents integrations with Prolific and Amazon Mechanical Turk, including participant tracking and quality or approval workflows.potatoannotator.com · read 29 Sep 2026
- Data formats
- The integrations page lists imports for text, image, audio, video, and PDF or HTML documents, and exports including JSON, JSONL, CSV, CoNLL, Hugging Face, COCO, and YOLO.potatoannotator.com · read 29 Sep 2026
- Installation
- The maker’s quick start instructs users to install Potato with pip and requires Python 3.7 or later.potatoannotator.com · read 29 Sep 2026
- Integrations
- Listed integrations include OpenAI, Anthropic Claude, Google Gemini, Ollama, HuggingFace, OpenRouter, vLLM, YOLO, and LangChain.potatoannotator.com · read 29 Sep 2026
- License
- Potato is released under GNU GPL version 3 or later and may be used, modified, redistributed, and used commercially, subject to the license terms.potatoannotator.com · read 29 Sep 2026
- Notable limitation
- Potato is self-hosted only, so users must run it themselves; the maker says there is no managed cloud tier.potatoannotator.com · read 29 Sep 2026
- Privacy and deployment
- Potato runs locally or on users’ own servers; the maker says this keeps data on their infrastructure and supports offline use.potatoannotator.com · read 29 Sep 2026
- Support
- The FAQ directs users to Discord or the documentation for questions; the About page provides a team contact email.potatoannotator.com · read 29 Sep 2026
- Task setup
- Annotation tasks are configured in YAML, and the maker says building an annotation interface requires no programming.potatoannotator.com · read 29 Sep 2026
- What it does
- Potato is an open-source platform for annotating text, audio, images, video, and qualitative data.potatoannotator.com · read 29 Sep 2026
