One workspace for learning, practice, and review — every session funds verified carbon removal.
7-day free trial — no card required
Guided explanation, an interactive notepad, and practice that checks what stuck—not one-shot answers.
Explore topics in Learn, teach them back in Explain, or argue in Discuss. Hints and questions—not finished answers in one shot.
Sketch on a shared canvas. The assistant sees your work and nudges the next step—labels and diagrams on the page for collaborative practice.
Generate quizzes on any topic—attach files to match your material—and get scored feedback on what landed.
A new tree each month. Prompt as you study to grow it—past trees stay in your collection.
Mainstream chatbots burn fossil-heavy compute with every prompt. Bonsai runs on renewable power and funds verified carbon removal every time you prompt — 16 g per prompt, up to 8 kg a month — so studying actively pulls carbon back out of the air.
Every prompt spins up fossil-fueled data centers at huge scale—adding emissions while nearby communities shoulder the burden.
Bonsai uses European data centers on renewable energy—not the fossil-heavy stack behind most LLMs.
Every prompt funds carbon removal—up to 8 kg pulled from the air each month—so studying pushes the planet forward.
Impact figures are averages; details on request.
$5/month after a 7-day trial—about the price of a coffee, with $2 funding carbon removal when you hit 500 prompts that month.
$5/month after trial. Auto-renews until canceled.
Study to save the planet.
Bonsai