Head-to-head · updated 13 September 2026
DataShield vs Snowflake: the AI Data Cloud holds the data, but who proves the agent was allowed?
Snowflake calls itself the AI Data Cloud. In 2026, it calls itself the home of the Agentic Enterprise. The homepage puts it in six words: "Bring agentic AI to all your data." This is a serious platform. Elastic warehouses. Openflow for ingest. Postgres from the Crunchy Data deal. Horizon for governance. Cortex for models and agents. A managed MCP server your Claude or Cursor client can call. Product revenue was $1.49B in the quarter to July 2026. Up 37% on the year. Your data lives there already? Agents are a short hop away.
We are not a warehouse, and will not pretend to be one. DataShield is a self-hosted plane for agents. Data and control both. We tokenize datasets at ingest. Agents query tokenized data over MCP. Detokenization is a privileged, audited step. We re-check each checked tool call. It gets matched against the agent's current access. We seal each decision into a hash chain. You can check it yourself, with no need to trust us. Most people reading this will run both. The split below says where each side earns its keep. It includes the rows Snowflake wins outright.
The short version
Pick DataShield when
- Someone will ask you to prove an agent's access log was not edited. An auditor, a regulator, or Article 12 of the EU AI Act. Our chain answers with math. Not a policy PDF. Run the verifier.
- The reader is an agent, not an analyst you trust. Masking hands the clear value back to an approved role. A token does not resolve in the query path at all. The long version is here.
- The rule says the data and the keys stay on your side of the wire. Snowflake has no self-hosted edition, at any price. We ship Docker images you run yourself.
- Half your sensitive data sits somewhere else. A Postgres box, an S3 bucket, a vendor app you inherited. The same tokens, rules and chain cover all of it.
Pick Snowflake when
- You need elastic compute. Warehouses that size up for one job, then switch off after. We run DuckDB over Parquet on a single node. That is a different sport.
- You want the agent stack that ships already. Cortex Agents, a managed MCP server, and model choice across Anthropic, OpenAI and Google. All inside one boundary.
- Procurement wants SOC 2 Type II, HIPAA, PCI and FedRAMP on the platform itself. Plus a buying path through all three cloud marketplaces. We cannot match that.
- You want one vendor for ingest, operational Postgres, the warehouse, the catalog and observability. Openflow, Crunchy Data, Horizon and Observe make that a real offer.
Bottom line: Snowflake is where your data lives. We are not asking you to move it. We govern what an agent may do with data anywhere. We keep proof of each decision. Run Snowflake. Add us at the seam where the reader stops being a person.
Feature by feature
Competitor cells describe what Snowflake's public site, docs, and press releases say. As of the date above. If we got something wrong, email support@myorg.ai. We will correct it, and credit you.
| What matters | DataShield | Snowflake | Edge |
|---|---|---|---|
| Compute and scale | DuckDB over Parquet, reading masked golden views. Fast on one node, and honest about it. There is no multi-cluster autoscaling here. There will not be. | Separate virtual warehouses per team, sizes up to 6XL. Multi-cluster autoscaling, Adaptive Compute, per-second billing after a 60-second minimum. Nobody in our size class competes with this. | ◇ |
| Data handling and tokenization | Deterministic, join-safe, vault-reversible tokens. Set at ingest. Plus quasi-identifier generalization. Dates become year, decade, or age band. ZIPs become 3 or 4 digits. Phones, SSNs, and emails get partial masking too. Each column gets a measured cardinality-reduction score. Detokenization is admin-tier, tenant-scoped work. It's blocked if the log write fails. | Tag-based dynamic masking and row access policies. Applied at query runtime, by role. External Tokenization uses the same masking-policy machinery. It needs Enterprise Edition. The clear value stays in the table. It comes back in full to an approved role. | ◆ |
| Audit evidence | A SHA-256 hash chain, with Ed25519-signed checkpoints. Those checkpoints are themselves chained. Verification returns clean, attested damage, or tampered. It names the exact failure: tampering, insertion, deletion, or truncation. Try the verifier. | Access history, Trust Center, Horizon Agent Identity audit trails, and end-to-end agent records in the Cortex AI Gateway. All of it lives in the account. We found no public proof against tampering. | ◆ |
| Agent authorization | Each checked tool call passes a scope ceiling. Plus a consented-tool allowlist and an access tier. It also passes a metering guard and a revoke re-check, before it goes out. The call fails closed. Delegation uses RFC 8693 token exchange, with an enforced scope ceiling. | The managed MCP server runs tools as the connecting role, under RBAC. SQL is read-only by default. A 50-tool cap sits per server. Agent Identity checks the agent before data access. The unit of access is the role, not the call. Our field notes on locking it down. | ◆ |
| Break-glass | Scoped, time-boxed emergency access for agents. Admin and IP-allowlist gated. It auto-revokes on its own. It cannot be quietly removed from the log. | Not described in their public material. Snowflake has roles you can grant in a hurry. That is not the same control. | ◆ |
| GDPR erasure | Crypto-shred of per-subject key material, cited to ISO/IEC 27040 and Article 17. ISO 27560 consent receipts too. The audit chain still checks out after the subject is gone. | Deletes, Time Travel and retention settings. Useful. But not the same as destroying the key that makes a value readable. We found no crypto-erase method in their docs. | ◆ |
| MCP and agents | More than 200 MCP tools, across Ontology, Auth, Corpus and Lighthouse. Tool tokens carry scope ceilings. Per-call metering ties back to the agent. Local embeddings, too. No vector text leaves your network. | Cortex Agents are GA. The managed MCP server has been GA since November 2025, with five tool types. The Cortex AI Gateway went to preview in July 2026. It governs agents across more than 100 MCP servers. The Natoma deal helped that along. This is the strongest agent stack any data platform ships. | ◈ |
| Catalog and classification | We scan, profile and classify a live PostgreSQL source in place. No rows leave it. We label columns against 129 field classes. That covers PII, PHI, financial data and secrets. Checksum validators back each one. Each verdict is reproducible, stamped with a config digest. That is PostgreSQL today, not your whole estate. Snowflake, BigQuery, Databricks and S3 sit on our roadmap. No handler yet. | Horizon classification runs across the account with no integration work. It tags a semantic type, plus a privacy type. Column-level lineage arrived with the Select Star deal. Classification needs Enterprise Edition. The serverless runs get billed. More on Horizon. | ◇ |
| Ingest and operational data | Ingest from files, URLs and S3-compatible storage, with PDF, DOCX and EML extraction. Watch a bucket or an SFTP subtree. Auto-ingest new files. We are not an ELT tool. We do not run your pipelines. | Openflow, built on Apache NiFi, with dozens of connectors and hundreds of processors. Plus Snowflake Postgres, for OLTP work, from the Crunchy Data deal. Openflow even has a bring-your-own-cloud runtime, in AWS commercial regions. | ◇ |
| Deployment and hosting | Self-hosted, in your own cloud or data center. Or on a single-tenant server we run for you. Docker images cover Auth, Ontology, Corpus and Lighthouse. A signed deploy manifest, checked by Guardian. Ed25519 audit-signing keys stay on your instance, in a key directory you control. Kid-keyed rotation fails closed on an unknown key. KMS or HSM custody is a built seam in Auth, not a shipped link. HMAC tokenization keys sit in your environment today, not in a KMS. | Fully managed SaaS, on AWS, Azure or GCP. Every layer runs in Snowflake's cloud. Even Virtual Private Snowflake is a separate setup that Snowflake runs. Great if you want zero operations. A dead end if the rule says nothing leaves your network. | ◆ |
| Maturity signals | Auth, Guardian and Lighthouse are live in production. Guardian and Lighthouse have run since April 2026. SOC 2 is not yet certified, and we say so. | Public company, 14,500 customers, 829 of the Forbes Global 2000. SOC 2 Type II. HIPAA and HITRUST on Business Critical. PCI DSS, and FedRAMP High Plus regions. We cannot match any of it. | ◇ |
| Pricing | Published model, scoped instant quote, no sales wall. No credits, no tokens, no egress meter. | Consumption. The public pricing page lists four editions and a calculator, but no dollar figure. List prices live in a legal PDF: $2.00 a credit on Standard, $4.00 on Business Critical, and $90 per TB to move data to another cloud or the internet. Agent work bills on top, in AI Credits and orchestration tokens. | ◆ |
◆ DataShield leads◇ Snowflake leads◈ comparable
Snowflake claims come from snowflake.com, docs.snowflake.com, investors.snowflake.com and Snowflake's own press releases. Last checked 13 September 2026. We link them below, not just a paraphrase from memory.
Three things you get here that you won't get from a cloud data platform
Proof that leaves with you
Snowflake's agent trail lives in the account that also bills your compute. Ours is a hash chain with signed checkpoints. The verifier names what broke. Not just that something did. It keeps checking after you export it, after you migrate. Even in front of an auditor with no Snowflake login. Try it in your browser, no signup.
A token the agent cannot resolve
Masking is a display-time control. An approved role still gets the real SSN back. An agent running under a service role is an approved role. We take the value out of the dataset at ingest. We park the vault outside the query path. A hijacked agent finds stand-ins instead. How the data plane works.
Authority that can change mid-flight
An analyst leaves on a Friday. Their agent is 20 minutes into a 40-minute job. With DataShield, the next checked tool call gets a fresh check. Against current access, right then. It fails closed. Not at the next token refresh. The next call. How Auth does it.
Where Snowflake is genuinely stronger
Let's be fair about the size of the thing. Snowflake sells elastic compute we cannot touch. It now sells most of the stack around it too. Openflow for ingest. Postgres for OLTP, after the Crunchy Data deal. Horizon for governance. Observe for telemetry. Cortex for models and agents. The agent story is shipping, not slideware. Cortex Agents are GA. The managed MCP server has been GA since November 2025. The Cortex AI Gateway went to preview in July 2026. It supports more than 100 MCP servers. Add SOC 2 Type II, HIPAA, PCI and FedRAMP at the platform level. Add 14,500 customers, and a marketplace listing on every cloud. That is a story a young vendor cannot answer with a roadmap. Your estate is all Snowflake, and your readers are people? Buying anything else needs a real reason.
Here is the reason. Snowflake's roles express every control Snowflake gives you. They store it in Snowflake's account. That holds up, until three things happen at once. Your data is not all in Snowflake. Another model governs the rest, or nothing does. Your reader is an agent, not an analyst you trust. Masking is built to hand the clear value back to an approved role. And an examiner asks you to show the March agent logs weren't altered. That is a question about cryptography. Not about whether a log exists. Snowflake's own July 2026 release leans on identity partners. Okta, SailPoint, Aembit and Saviynt, for task-scoped agent access. That tells you where they think the seam sits. We think it sits one layer lower. It's the data the agent can reach. And the proof of what it did with it.
Questions worth asking both of us
These are the questions we would want answered if we were the ones buying. Ask them on each call, ours included.
Can you cryptographically prove an audit log entry wasn't deleted?
DataShield: yes. Each record commits to the one before it. Checkpoints are Ed25519-signed, and chained. The verdict tells deletion apart from truncation and from tampering. Try it on a sample chain at /verify. Snowflake: you get access history, a Trust Center, and agent audit trails in Horizon and the Cortex AI Gateway. We found no public tamper-proof method. Ask them to show one. And ask who can write to the table.
What happens to a revoked agent mid-session?
DataShield re-checks access on each checked tool call. Revocation lands on the very next call. The context drops to anonymous. Snowflake evaluates RBAC as the connecting role. A revoked grant stops new work. But we could not find published mid-session revoke rules. Not for an in-flight Cortex Agent or MCP session. Ask how long a compromised agent keeps working after you pull its access.
How does GDPR erasure interact with the audit trail?
DataShield crypto-shreds per-subject key material. Then it issues an ISO 27560 consent receipt. Actor identities in the chain are HMAC-committed. The evidence still checks out once the subject is gone. Snowflake gives you deletes, Time Travel and retention settings. That is not the same as destroying the key that makes a value readable. Ask for the mechanism, not the workflow.
Are you asking us to replace Snowflake?
No. That would be a silly thing to suggest. And a worse thing to do. Nobody swaps a warehouse for a governance layer. Keep Snowflake for what it is good at. Add us where the reader is an agent. Or where the data has to leave Snowflake to reach one. Or where you need proof that checks out outside the account. Plenty of teams will run both and be happier for it.
Snowflake already has a managed MCP server and Cortex Agents. What is left for you?
Three things. Their MCP server runs tools as the connecting role. So access is the role. We cap each call at a scope ceiling. We re-check access before it goes out. Their masking returns the clear value to an approved role. Our tokens do not resolve in the query path at all. And their trail is a log inside the platform. Ours is a chain anyone can check. There is also a plainer point. Their gateway governs agents reaching Snowflake. Not the agent reaching your Postgres box or your vendor's API. The Natoma page covers the gateway side of that story.
Do you connect to Snowflake as a data source today?
Not as a catalog provider. Our in-place scan and profile is GA for PostgreSQL only. Snowflake, BigQuery, Databricks and S3 are named. But they have no handler built yet. We would rather tell you now than let you find out in week three. What works today: ingest the data you want agents to touch. Tokenize it at ingest. Serve it over MCP, under Auth. Upstream credentials sit in the Connection Vault, under one of eight strategies. They stay encrypted at rest. Never readable back.
Does DataShield have SOC 2?
Not yet, and we will not imply otherwise. Snowflake has SOC 2 Type II. Also HIPAA and HITRUST support on Business Critical, PCI DSS, and FedRAMP High Plus regions. That is a real gap. What we offer instead: a public threat model, and a verifier anyone can run. Also, design-partner terms with source escrow. That way a small vendor is not a single point of failure. Details on the security page.
- Snowflake's homepage hero, checked this week: "Bring agentic AI to all your data. Ask anything with Snowflake CoWork. Build anything with Snowflake CoCo." - snowflake.com, 13 Sep 2026
- Q2 FY2027: product revenue $1.491B, up 37% year on year; 14,500+ customers; 828 customers above $1M trailing product revenue; 829 Forbes Global 2000; 126% net revenue retention. CEO Sridhar Ramaswamy: "The Agentic Enterprise runs on Snowflake, and we're just getting started." - Snowflake investor release, 2 Sep 2026
- Cortex AI Gateway governs first- and third-party agents across more than 100 MCP servers. It builds on the May 2026 Natoma acquisition. It names 1Password, Aembit, Linx Security, Okta, SailPoint and Saviynt as task-scoped access partners. - Snowflake press release, 28 Jul 2026
- Snowflake runs only as a managed service. All three layers are deployed and managed entirely on a selected cloud platform: AWS, Azure or Google Cloud. There is no on-premises or customer-hosted edition. - docs.snowflake.com, 13 Sep 2026
- The Snowflake managed MCP server exposes five tool types. It caps a server at 50 tools, defaults SQL execution to read-only, and authorizes by RBAC as the connecting role. - docs.snowflake.com, 13 Sep 2026
- List prices are not on the pricing page. The consumption table sets Standard at $2.00 a credit, Business Critical at $4.00, AI Credits at $2.00. Storage runs $23 per TB a month, and $90 per TB to move data to a different cloud or the internet. - Snowflake Service Consumption Table, 9 Sep 2026
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AllEvery comparison
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