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Theorem

● Identity checked

Code · Vendor site 2026-10-04

Theorem is a formal verification and AI research company working to make software proofs cheaper to produce. It argues verification covers entire behavior spaces ahead of time and is starting with verified sandboxes that agents cannot escape or game.

Updated 2026-10-04View sources
Official website
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Free access
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API access
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Is Theorem right for you?

A good fit for

Security and platform teams exploring mathematically verified components and agent-safe sandboxes rather than heuristic guardrails alone.

Before you choose

Public site focuses on research posts and careers without self-serve product pricing or signup flows.

Formal verification and AI

Theorem combines formal methods with AI engineering, arguing cheap proof generation is the durable defense as adversaries scale.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
MissionHomepage headline calls the goal to verify all software using proofs that hold regardless of attacker scale.Facts sourced2026-10-04
Verified sandboxesSite says work starts with verified sandboxes that agents cannot escape or game.Facts sourced2026-10-04
Software stack visionHomepage links to a verified software stack plan built from smallest components upward.Facts sourced2026-10-04

Understand the total cost

Theorem pricing & plans

Pricing

Not listed

Official monthly price not confirmed

API
Not confirmed
Explore pricing & history

Alternatives to Theorem

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The practical questions

Frequently asked questions

What is Theorem used for?

Theorem is a formal verification and AI research company working to make software proofs cheaper to produce. It argues verification covers entire behavior spaces ahead of time and is starting with verified sandboxes that agents cannot escape or game.

Does Theorem have a free plan?

Not confirmed. This record does not confirm an ongoing free plan.

How much does Theorem cost?

A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use Theorem through an API?

Not confirmed. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Public site focuses on research posts and careers without self-serve product pricing or signup flows.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.