Optimus specs, generation by generation
Every number here is traced to a source. Where secondary aggregator sites repeat figures we could not independently verify, we mark them unconfirmed instead of publishing them as fact.
Confirmed
SourcedGen 3 hand: 22 degrees of freedom, tendon driven, biomimetic design. Up from 11 DoF on the Gen 2 hand.
Source: Wikipedia, "Optimus (robot)"No full public Gen 3 / V3 reveal has been held as of August 28, 2026. The rollout so far has been partial disclosures alongside the Fremont production news. Musk has cited competitive secrecy, saying rivals do "frame by frame analysis" of released footage.
Source: Electrek, Apr 22, 2026Rumored / unverified
Secondary source, not verifiedGen 2 height and weight: no primary Tesla figure found. A number in the range of 173cm / 57kg is repeated across several secondary source blogs, but we could not trace it to a Tesla statement, so we are not stating it as a confirmed spec. Not independently verified; treat as unconfirmed, not fact.
Gen 3 / V3 joint count and walk speed: no primary Tesla figure found. Numbers in the range of 37 joints and 1.2 m/s are repeated ahead of a formal reveal, but no primary source could be found. Not independently verified; treat as unconfirmed, not fact.
Some secondary sources cite Gen 2's hand at 22 DoF and 50 actuators. That conflicts with the Wikipedia sourced figure above, which puts Gen 2 hand DoF at 11 (with Gen 3 rising to 22). Rather than pick a side, we're showing you the conflict.
| Spec | Gen 2 | Gen 3 |
|---|---|---|
| Hand design | 11 degrees of freedom | 22 degrees of freedom, tendon driven, biomimetic design |
| Full public reveal | Yes, "We, Robot" event, Oct 2024 | Not yet given a full, formal reveal as of Aug 2026. Rollout has been partial disclosures alongside production news. |
| Reason for delay | Not applicable | Musk has cited competitive secrecy, saying rivals do "frame by frame analysis" of released footage |
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Sources: Wikipedia, "Optimus (robot)"; Electrek, Apr 22, 2026. Widely repeated figures for Gen 2 height, weight, and actuator count, and for Gen 3 joint count and walk speed, appear across secondary aggregator sites but have not cleared our primary source bar. We show what is being claimed elsewhere in the Rumored/unverified panel above, clearly labeled unconfirmed, rather than stating any of those numbers as our own confirmed spec.
The rest of Optimus Review
Every claim on this site links back to a primary or trade source. See the full flagship analysis, or jump to another section.
Flagship analysis
Tesla Optimus: what's demoed, and what's actually real.
Read the analysis →Price & Cost
What Optimus actually costs, and what's still just a Musk quote. Covers the "Tesla bot cost" question too.
Read the breakdown →Demo & Event Timeline
Every public appearance, and what independent observers actually saw happen.
View the timeline →Lease & Rent Before Sell
Tesla's own reported plan to rent Optimus before it ever sells one. What's confirmed and what's a guess.
Read the explainer →Preorder Warning
You cannot preorder an Optimus. Here's how to spot the sites pretending you can.
See the warning signs →