1Password Passkeys vs OATH (Open Authentication): Side-by-Side Comparison (2026)

1Password Passkeys: Password manager with passkey creation, storage, and sharing capabilities. built by 1Password. Core capabilities include Passkey creation and storage, Cross-device passkey synchronization across Mac, iOS, Windows, and Android, Biometric authentication for account access..

OATH (Open Authentication): Vendor-neutral org publishing open standards for OTP & strong auth. built by OATH (Open Authentication). Core capabilities include Open, royalty-free OTP specifications (HOTP, TOTP, OCRA), HOTP (RFC 4226): counter-based HMAC one-time password standard, TOTP (RFC 6238): time-based one-time password standard..

Both serve the MFA & Passwordless market but differ in approach, feature depth, and target audience.

1Password Passkeys differentiates with Passkey creation and storage, Cross-device passkey synchronization across Mac, iOS, Windows, and Android, Biometric authentication for account access. OATH (Open Authentication) differentiates with Open, royalty-free OTP specifications (HOTP, TOTP, OCRA), HOTP (RFC 4226): counter-based HMAC one-time password standard, TOTP (RFC 6238): time-based one-time password standard.

1Password Passkeys is developed by 1Password. OATH (Open Authentication) is developed by OATH (Open Authentication). Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1Password Passkeys and OATH (Open Authentication) serve similar MFA & Passwordless use cases: both are MFA & Passwordless tools, both cover Authentication. Key differences: 1Password Passkeys is Commercial while OATH (Open Authentication) is Free. Review the feature comparison above to determine which fits your requirements.