Document assurance
TERA Signature + TrustPDF
Human-controlled signing, evidence sealing, and document integrity verification with a preserved evidence trail.
Human-controlledTrustPDFEvidence trail
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Eight TERA products · Free to start
The right TERA product for the work in front of you.
Research, documents, mathematics, science, finance and human capability. Every TERA product keeps evidence first and people in charge, so you can stand behind what you produce.
Start with your goal
What do you need to get done?
Pick the task. We will point you to the product built for it.
Write and publish researchFrom the question to the talk: sources, data, Python, LaTeX and an integrity check.TERA Coding Space
Sign and verify documentsHuman-controlled signing with a preserved evidence trail and TrustPDF checks.TERA Signature
Master Grade 12 mathematicsAuthored practice, detailed solutions and verifiable checking for the step to college.TERA Math 12
Study advanced mathematicsTheory, proofs, visualization and research pathways for graduate work.Tera Math Scholar
Interpret environmental dataEvidence-bounded PM2.5 interpretation that abstains when the evidence is thin.TEI
Gain from AI without losing your skillsTwo books on human capability in the age of AI.Our books
Govern financial models and credit decisionsValidation evidence, credit decision assurance and monitoring, under human authority.BRAG Finance
Bring TERA to your institutionResearch funding, institutional partnerships, sponsored research and pilots.Partnerships
Flagship · Live v7.0.2
TERA Coding Space
One workbench for the whole path of a paper: verified sources and BibTeX, open data with licences checked, Python analysis into LaTeX, live co-authoring and messaging, an integrity check before submission, and TERA Live to present. It works fully without AI; AI helps only when you allow it.
- $0Baseline
- $39Student / year
- $24Research Complete / month
- $45Professional / month
More TERA products
Distinct jobs. One TERA standard.
Each product does one job well, and each keeps claims tied to evidence and decisions with people.
Grade 12 & college transition
TERA Math 12
Deterministic mathematics learning designed to strengthen independent reasoning through authored practice, detailed solutions, and verifiable checking.
EN / FRDeterministic coreAI optional
Explore TERA Math 12
Advanced mathematics
Tera Math Scholar
Rigorous advanced and graduate mathematics through theory, proofs, visualization, exercises, and research pathways.
EN / FRProofsResearch
Explore Tera Math Scholar
Environmental intelligence
TEI
A deterministic research system for evidence-bounded environmental interpretation. TEI makes uncertainty visible and abstains when the available evidence is insufficient.
EPA-certified dataPrincipled abstention
Explore TEI
Book & audiobook
Capable Without AI, Stronger With It.
A framework for gaining from AI without surrendering independent capability, judgment, evidence, or accountability.
Human capabilityBook + audio
Explore the bookFinancial model risk
BRAG Finance
Model inventory and risk tiering, validation and independent challenge, credit decision assurance, monitoring and governed agents, with every consequential decision under human authority.
Model risk managementCredit decision assurancev10.0.0
Explore BRAG Finance
New book
The Borrowed Intelligence
The Hidden Terms of Thinking With Machines
The companion to Capable Without AI, Stronger With It: how to borrow intelligence from AI without losing your own mind.
Human Capability in the Age of AI
Explore the bookThe TERA standard
Every claim earns its place.
TERA stands for Trustworthiness, Efficiency, Reliability and Accountability. Every TERA product is built to this standard, so your work can be checked, repeated and defended.
Capable without AI. Stronger with it.
The TERA philosophy
T
Trustworthiness
Claims stay tied to evidence and limits.
E
Efficiency
Complexity earns its place.
R
Reliability
Boundaries and failure modes stay visible.
A
Accountability
People own the decision.
Universities & institutions
Bring TERA to your department, library or lab.
TeraSystemsAI LLC welcomes research funding, institutional partnerships, sponsored research, and controlled pilot collaborations.
Discuss a partnershipNot sure where to begin? Begin with your research.
Create a free TERA Coding Space account today. Upgrade only when your work needs more.