Unitree G1 contenders: seven platforms when $13,500 is the wrong fit

Unitree's G1 is the default entry humanoid for many labs: orderable, widely referenced, and priced from $13,500 for the base configuration. That sticker is also the trap. Secondary development — writing your own stack, not running demos — typically means the quote-only G1 EDU, which resellers and labs often see starting around the mid-$40,000s depending on hands, compute and sensors.

This contenders guide is for buyers who already know the G1 and need a substitute: cheaper programmable hardware, more openness, full-size torque, or a cross-brand development platform. Famous names without a normal purchase path (Optimus, Figure 03, Atlas as an open research buy) are called out at the end — they are long-term competitors, not this-quarter POs.

At a glance

How we shortlisted

Eligibility: a live manufacturer page, a store or sales-inquiry path, and plausible overlap with G1 lab use (locomotion, perception, HRI, manipulation research). We weighted developer access first, then procurement certainty, capability fit and price transparency. Demo videos without SDK rights lost to quieter programmable kits.

Booster T2 — best direct cross-brand alternative

Booster's T2 sits near 1.4 m with about 31 degrees of freedom, roughly two hours of continuous walking and up to ~10 kg across both arms in published materials, with optional grippers or dexterous hands and high-end compute options. It is positioned as an open development platform rather than a show robot — closer in intent to a loaded G1 EDU than to the locked $13,500 base.

Choose T2 when you want more upper-body capacity and a newer high-compute platform and can validate warranty and regional support on a sales call. Stay with G1 EDU when ecosystem maturity and international buying examples matter more than a brochure DOF count.

Booster K1 Geek — best programmable option under $10K

At $5,999 the K1 Geek is often a more honest budget developer buy than locked base G1 or R1 units. Booster documents secondary development and open tools; Unitree reserves that for EDU configs. The trade: ~95 cm, ~19.5 kg, ~22 DOF, about 30 minutes of walking at low speed, three-month standard warranty. Excellent for classrooms and RL / perception coursework; not a dexterous-manipulation substitute for a loaded G1 EDU.

Unitree R1 — cheapest door into the same ecosystem

R1 Air at $4,900 and standard R1 at $5,900 (ex tax/freight) buy a lighter, shorter Unitree humanoid (~123 cm, ~1 hour runtime). The trap matches the G1 story: standard SKUs do not support secondary development. Researchers need R1 EDU on quote. Pick R1 when transport and sticker price dominate and demos are enough; pick G1 when sensing, runtime and research headroom matter.

EngineAI PM01 — best openness play

PM01 is aimed at teams that want hardware interfaces, ROS deployment and open training/deployment code closer to the control layer. Business editions are roughly 1.4 m / 42 kg with ~23 DOF and near two-hour stated battery. Procurement is the pain: no stable public international price, and "fully open" must be itemised (motor control, firmware, safety limits, simulation assets, redistribution).

Noetix N2 — compact with higher stated carry

N2 (~118 cm / 30 kg / 18 DOF) markets roughly 5 kg carry while walking — higher than common G1 base arm-payload figures, though measurement conditions differ. Depth camera, IMU and quick-swap battery (1–2 hours claimed). EDU adds compute and secondary development. Choose for compact education and interaction; stay with G1 for joints, SDK familiarity and clearer configuration pricing.

Unitree H2 — best full-size upgrade before H1 money

Base H2 lists at $29,900: ~180 cm, ~70 kg, 31 DOF, high leg-joint torque (manufacturer peak figures around 360 N·m), ~3-hour battery claims. That can undercut a loaded G1 EDU on height and torque while staying below H1 budgets. Catch: only H2 EDU supports secondary development; base compute is modest; headline TOPS numbers are configured-system claims. Containment and fall energy are full-size problems.

Unitree H1 — specialist high-dynamic locomotion

H1 is not a cheaper G1. It is a ~1.8 m, high-torque locomotion research machine (manufacturer-rated speeds well above G1 class) with LiDAR + depth sensing and swappable high-capacity batteries. Verified commercial records place it near $90,000 depending on configuration. Choose only when biomechanics and high-dynamic control justify space, safety and budget; otherwise G1 or H2 EDU is the saner lab asset.

Decision table

Not real G1 substitutes this quarter

Also check US importability for any foreign-produced mobile humanoid: FCC Covered List rules from 28 July 2026 grandfather prior authorizations and block new ones without Conditional Approval. See our FCC dispatch before you wire a deposit.

• Tesla Optimus — no general customer order path or confirmed retail price.
• Figure 03 — partnership / pilot channel, not a lab checkout.
• Boston Dynamics Atlas — enterprise industrial program, not an open research catalogue item.

Verdict

Keep G1 EDU as the benchmark when you can fund it. Reach for K1 Geek when programmability under $10K is the constraint, T2 when you want a cross-brand development peer, PM01 when openness is the product, R1 when you only need a cheap Unitree body, and H2/H1 when size and torque are the actual requirement. Compare delivered configurations — SDK, hands, compute, freight, warranty — not demo reels.