# Codezero vs Teller: side-by-side comparison (2026)

[Codezero](https://cybersectools.com/tools/codezero) is a commercial [secrets management](https://cybersectools.com/categories/secrets-management) solution by [Codezero](https://cybersectools.com/companies/codezero). [Teller](https://cybersectools.com/tools/teller) is a free [secrets management](https://cybersectools.com/categories/secrets-management) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Codezero | Teller |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Secrets Management | Secrets Management |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 3,181 |
| Last commit | – | Jan 2026 |
| Company | Codezero | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Codezero | Teller |
|---|---|---|
| Secrets Management | Yes | Yes |
| Non-Human Identity | Yes | – |
| Agentic AI Security | Yes | – |
| MCP Security | Yes | – |
| CI/CD | Yes | – |
| Gateway | Yes | – |
| Least Privilege | Yes | – |
| Runtime Security | Yes | – |
| Prompt Injection | Yes | – |
| Key Management | Yes | – |
| Security Tools | – | Yes |
| AWS | – | Yes |

### Core features

**Codezero**

9 features listed. Sign in on the page to see them.

**Teller**

No features listed.

### Integrations

**Codezero**

6 integrations listed. Sign in on the page to see them.

**Teller**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Codezero](https://cybersectools.com/tools/codezero) fits if you need both cloud and on-premises options.
- [Teller](https://cybersectools.com/tools/teller) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## Codezero vs Teller FAQ

Common questions when comparing Codezero vs Teller for secrets management.

### What is the difference between Codezero and Teller?

**Codezero**: Gateway that injects credentials in-transit so runtimes never hold secrets, built by Codezero.

**Teller**: Teller is a command-line secret management tool that integrates with various cloud providers and vaults to securely populate environment variables during development workflows.

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

### Who makes Codezero and Teller?

**Codezero** is made by Codezero. **Teller** is open-source with 3,181 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Codezero a good alternative to Teller?

Often, yes. Codezero and Teller are both Secrets Management products, and both cover Secrets Management. Key differences: Codezero is Commercial while Teller is Free, Teller is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Codezero vs Doppler](https://cybersectools.com/compare/codezero-vs-doppler)
- [Codezero vs Agentic Fabriq Credential Vault](https://cybersectools.com/compare/agentic-fabriq-credential-vault-vs-codezero)
- [Codezero vs RatelKey Burrow](https://cybersectools.com/compare/codezero-vs-ratelkey-burrow)
- [Teller vs Doppler](https://cybersectools.com/compare/doppler-vs-teller)
- [Teller vs Agentic Fabriq Credential Vault](https://cybersectools.com/compare/agentic-fabriq-credential-vault-vs-teller)
- [Teller vs RatelKey Burrow](https://cybersectools.com/compare/ratelkey-burrow-vs-teller)

## Alternatives to each

- [See all Codezero alternatives](https://cybersectools.com/alternatives/codezero)
- [See all Teller alternatives](https://cybersectools.com/alternatives/teller)

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Source: https://cybersectools.com/compare/codezero-vs-teller

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/codezero.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Codezero and Teller: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md