BastionZero OpenPubkey vs OATH (Open Authentication): side-by-side comparison (2026)

BastionZero OpenPubkey: Open source authentication binding public keys to identities via SSO/OpenID. Built by BastionZero.

OATH (Open Authentication): Vendor-neutral org publishing open standards for OTP & strong auth. Built by OATH (Open Authentication).

The table above shows where their features, integrations, deployment and company size fit differ.

BastionZero OpenPubkey is made by BastionZero. OATH (Open Authentication) is made by OATH (Open Authentication). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. BastionZero OpenPubkey and OATH (Open Authentication) are both MFA & Passwordless products, and both cover Authentication, Open Source. Key differences: BastionZero OpenPubkey is Commercial while OATH (Open Authentication) is Free. Use the table above to see where features, deployment and company size fit differ.