Best Security Keys in 2026
Updated
In short: YubiKey 5 Series is ranked #1 of 10 as of 30 September 2026, ahead of Token2 T2F2-NFC-Slim and Token2 PIN+ Release3.3.
10 security keys ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | Free plan | Paid from | Authentication standards | |
|---|---|---|---|---|---|---|---|
| 1 | YubiKey 5 Series | 7.0 | RecognisedAPIDocumented | No | 58 one-time | FIDO2/WebAuthn, FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, PIV smart card, OpenPGP | View |
| 2 |  Token2 T2F2-NFC-Slim | 6.8 | RecognisedAPIDocumented | No | — | FIDO2.1 WebAuthn, FIDO U2F, CTAP2.1, HOTP, TOTP, OpenPGP, PIV | View |
| 3 |  Token2 PIN+ Release3.3 | 6.3 | RecognisedAPIDocumented | No | 8.04 one-time | FIDO2.1 WebAuthn, FIDO U2F, CTAP2.1, PIV, OpenPGP | View |
| 4 |  Nitrokey 3 | 6.1 | RecognisedAPIDocumented | No | — | WebAuthn, CTAP2/FIDO2, CTAP1/FIDO U2F 1.2, HOTP RFC 4226, TOTP RFC 6238, HOTP verification | View |
| 5 |  FEITIAN ePass FIDO-NFC Security Key | 6.0 | RecognisedAPIDocumented | No | 35 one-time | FIDO U2F, FIDO2, OATH HOTP/TOTP | View |
| 6 |  Solo 2 | 5.8 | RecognisedAPIDocumented | No | 34 one-time | FIDO2, WebAuthn, U2F | View |
| 7 |  Swissbit iShield Key 2 | 5.5 | RecognisedAPIDocumented | — | — | WebAuthn, FIDO2/CTAP2.1, FIDO U2F/CTAP1, HOTP, TOTP, PIV-compatible, MIFARE DESFire EV3, HID SEOS, LEGIC advant/neon | View |
| 8 | Deepnet SafeKey | 5.3 | RecognisedAPIDocumented | — | — | FIDO U2F, FIDO2 WebAuthn, OATH HOTP, OATH TOTP, PIV Smartcard | View |
| 9 |  Titan Security Key | 5.0 | RecognisedAPIDocumented | No | — | FIDO2, FIDO CTAP1, FIDO open standards | View |
| 10 |  TrustKey T110 | 5.0 | RecognisedAPIDocumented | — | — | FIDO2, FIDO U2F, HOTP, TOTP | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which security key is ranked first on Inferse?
YubiKey 5 Series is ranked #1 of 10 with a score of 7.0. Token2 T2F2-NFC-Slim is second and Token2 PIN+ Release3.3 third.
How many of these have a free plan?
0 of the 10 on this page publish a free plan on their own pricing pages.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.