Green Million — Wieliczka's Proportional-Algorithm Participatory Budget (Method of Equal Shares)
Poland
Wieliczka's 2023 'Green Million' pilot allocated a PLN 1,000,000 citizen budget using the Method of Equal Shares, a proportional algorithm …
Greece · Chania · See the Greece profile
Evidence: Descriptive / self-reported Top 62% 53/100 · Ask Evidence Copilot about this practice
Greek non-profit Schema Labs' OpenCouncil uses OpenAI Whisper to transcribe, summarise and index municipal council meetings, alerting residents by neighbourhood. Live in 7 municipalities with €200,000 in EU-linked funding (2026); outcomes remain unmeasured.
OpenCouncil is an open-source platform built by Greek non-profit Schema Labs to make lengthy municipal council meetings accessible, downloading session recordings, using OpenAI's Whisper for speaker-attributed transcription, then categorising discussion by topic, generating summaries and video clips, and sending neighbourhood-specific alerts. The Municipality of Chania was first to formally pilot it, on 14 May 2025.
As of mid-2026 the platform lists seven municipalities live -- Chania, Athens, Sparta, Xylokastro-Evrostini, Orestiada, Vrilissia and Samothraki -- with 1,362 discussion topics indexed. In April 2026, OpenCouncil secured EUR200,000 in revenue-based financing from the Investing For Purpose Fund to hire two more staff and expand further.
No independent study has yet measured whether OpenCouncil changes citizens' knowledge of, or engagement with, local government; the evidence so far is adoption and output data rather than outcome evaluation, and the system depends on a third-party US AI vendor (OpenAI) with no public accuracy or data-protection audit found.
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| Place | When | Adopter | Outcome |
|---|---|---|---|
| Athens, Greece | — | Municipality of Athens | Adopted the OpenCouncil platform following the Chania pilot. |
| Sparta, Greece | — | Municipality of Sparta | Adopted the OpenCouncil platform following the Chania pilot. |
| Xylokastro-Evrostini, Greece | — | Municipality of Xylokastro-Evrostini | Adopted the OpenCouncil platform following the Chania pilot. |
| Orestiada, Greece | — | Municipality of Orestiada | Adopted the OpenCouncil platform following the Chania pilot. |
| Vrilissia, Greece | — | Municipality of Vrilissia | Adopted the OpenCouncil platform following the Chania pilot. |
| Samothraki, Greece | — | Municipality of Samothraki | Adopted the OpenCouncil platform following the Chania pilot. |
Poland
Wieliczka's 2023 'Green Million' pilot allocated a PLN 1,000,000 citizen budget using the Method of Equal Shares, a proportional algorithm …
Germany
Germany's most forested district piloted deliberAIde, an AI platform that transcribes, anonymises and clusters citizen input at social-planning conferences, helping …
Switzerland
Aarau's first city-wide participatory budget (2023-24) used the Method of Equal Shares to allocate CHF 50,000, funding 17 of 33 …
United Kingdom
Under a Scottish Government–COSLA framework requiring at least 1% of council budgets to go through participatory budgeting, researchers evaluated NLP …
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