AI Assistant Plants a Tree Every 100 Chats
EcoGPT's small open source models run in a seawater-cooled Finnish data center, with a 2027 goal of one million trees.
Updated on Nov. 2, 2026 in Artificial Intelligence
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EcoGPT, an AI assistant built on small open source models, plants one tree every 100 chats on a free account and one every 50 on a Pro account. The service is live and in use, not a preprint: it has reached five million users and funded more than 435,000 trees.
Why it matters
The model pairs a consumer chatbot with a built-in carbon offset, a design that puts the energy cost of AI inference in front of users rather than leaving it abstract. It arrives as the International Energy Agency projects AI will consume 945 terawatt hours of electricity by 2030, making efficiency and emissions a live competitive question.
EcoGPT's totals are company-reported: more than five million users and 435,000 planted trees after six months, against a stated goal of one million trees by 2027. The International Energy Agency projects AI electricity use of 945 terawatt hours by 2030, but the study does not measure EcoGPT's own footprint, and the company has not independently verified tree survival.
The players
EcoGPT
A Delaware public benefit corporation running a small-open-source-model AI assistant with built-in tree planting.
Ethan Leonard
EcoGPT's founder, who left the University of Washington to build the assistant and has criticized the AI industry's move toward larger models and greater energy use.
Trees for the Future
A nonprofit that plants trees with farmers in Kenya, Tanzania, and Uganda and receives EcoGPT's funding.
International Energy Agency
The intergovernmental energy body whose projection of 945 terawatt hours of AI electricity use by 2030 frames the issue.
The details
EcoGPT routes most requests to small open source models that run on AI servers in a seawater-cooled data center in Google Cloud's Finland region, and the company says smaller models need less computing power per answer than frontier systems. Each chat is counted toward a tree-planting total, and the company funds that planting through Trees for the Future, a nonprofit working with farmers in Kenya, Tanzania, and Uganda. The company's website also says requests fall back to other providers through OpenRouter when primary servers are unavailable, and that it cannot guarantee zero data retention.
Timeline
Six months before publication, founder Ethan Leonard dropped out of the University of Washington to build EcoGPT and the assistant launched.
October 15: EcoGPT had funded 172,592 trees to be planted.
2027: EcoGPT's goal of planting one million trees.
The Tech Race
Efficiency and energy use have become a competitive axis in AI, with providers differentiating on model size and per-query cost rather than only capability. EcoGPT's bet is that small open source models plus offsets can compete for everyday users against frontier systems from larger labs.
Free accounts allow up to 500 messages per day with ads between chats, and a Pro account costs $10 per month without ads, with planting rates of one tree per 50 chats. The service is available now, but the company's website states it cannot guarantee zero data retention, so users handling sensitive material should weigh that before relying on it.
The takeaway
The trajectory to watch is whether usage-linked offsets scale: EcoGPT has set a one million tree goal for 2027, and independent verification of planting and tree survival would show whether the model holds up beyond its own disclosures.
Further reading
For broader context on how AI systems are built and deployed, explore our Artificial Intelligence coverage.
Source note: This article includes information reported by Inc..
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