{}Best AI Code Security

OX Security vs Semgrep for AI code security

ANSWER FIRST

OX Security scores 3.8 and Semgrep 3.5 on our AI code security criteria, so OX Security ranks higher on the published weights. OX leads on AI code and assistant coverage, governance and policy control and remediation and ASPM depth; Semgrep leads on endpoint deployment and tamper resistance, developer experience and pricing and buying clarity. The widest gap is governance and policy control, where OX scores 4.5 against 2.5.

Editorial assessment · Compiled from vendor product, docs, pricing and marketplace pages · Rated October 2026

How do OX Security and Semgrep score side by side?

OX Security and Semgrep: editorial assessment, 0-5. Last reviewed October 2026.
CriterionWeightOX SecuritySemgrepEdge
Coverage of AI-generated code and AI coding assistants25%4.53.5OX
Endpoint deployment and tamper resistance20%2.53.0Semgrep
Governance and policy control for the CISO20%4.52.5OX
Developer experience and low friction15%3.54.5Semgrep
Pricing and buying clarity10%2.54.0Semgrep
Remediation and ASPM depth10%4.54.0OX
Weighted total3.83.5

OX Security leads on 3 criteria, Semgrep leads on 3, and 0 are tied.

OX Security

Verdict for OX Security: strengths and limitations

diff --verdict ox-security · reviewed 2026-09

@@ strengths @@

  • Strength:VibeSec analyzes the developer's prompt and sends security guidance to the agent before code is generated. [source]
  • Strength:Supports Claude Code, Cursor, Kiro and VS Code with Copilot. [source]
  • Strength:Malicious dependency blocking, secret protection, AI inventory and an agent activity log. [source]
  • Strength:Pricing unit published for each product, including per AI user for VibeSec. [source]

@@ limitations @@

  • Limitation:No prices published. [source]
  • Limitation:Limits of the free sign-up are not published. [source]

Semgrep

Verdict for Semgrep: strengths and limitations

diff --verdict semgrep · reviewed 2026-09

@@ strengths @@

  • Strength:Free for up to 10 contributors and 10 private repositories. [source]
  • Strength:Teams priced at $30 per contributor per month (Code or Supply Chain) and $15 for Secrets. [source]
  • Strength:Semgrep Guardian runs an MCP server and hooks that fire on every file write in Claude Code, Cursor and Windsurf. [source]
  • Strength:Guardian blocks malicious dependencies and hardcoded credentials at generation time. [source]

@@ limitations @@

  • Limitation:No org-wide discovery of assistants or MCP servers on the pages reviewed. [source]
  • Limitation:GitHub Copilot is not listed for Guardian; Guardian pricing not stated. [source]

How do OX Security and Semgrep cover AI code and coding assistants?

OX Security: VibeSec supports Claude Code, Cursor, Kiro and VS Code with Copilot and analyzes the prompt before code is generated; the Agent AI BOM lists MCP servers, external SaaS and AI models with their users.

Semgrep: Semgrep Guardian scans inside Claude Code, Cursor and Windsurf as code is written; org-wide discovery of assistants or MCP servers is not described and Copilot is not listed.

Assistants named on their public pages: OX Security: Claude Code, Cursor, GitHub Copilot and Kiro; Semgrep: Claude Code, Cursor and Windsurf.

Where do their controls run on the developer machine?

OX Security: Runs as a VS Code extension, a JetBrains plugin and an MCP integration; an endpoint application and tamper resistance are not described.

Semgrep: Guardian runs on the developer machine as an MCP server, hooks on every file write and skills; tamper resistance is not described.

How much control does the security team get?

OX Security: Allow or block specific MCP tools, SaaS integrations and models, with an Agent Activity Log of prompts and tool calls and a history of prevented risks.

Semgrep: Guardian enforces checks per agent, but the pages reviewed show no central inventory or policy over which agents and MCP servers may run.

How do they fit the developer's workflow?

OX Security: VS Code extension, JetBrains plugin and MCP integration, and free use for up to 9 developer contributions.

Semgrep: Free for up to 10 contributors and 10 private repos, with VS Code and JetBrains support.

How do they fix and prioritize findings?

OX Security: One-click AI fixes in CI/CD, IDEs and pull requests with diffs, ASPM correlation, and an Agentic Pentester that ties exploitable issues back to code.

Semgrep: Semgrep Assistant auto-triages findings, and remediation guidance appears in pull requests and IDEs.

How do they compare on price?

OX Security: free tier: Yes: free use up to 9 developer contributions; lowest published paid option: Contact sales; pricing unit: AI user, contributing developer, cloud asset, agent hours.

Semgrep: free tier: Yes: up to 10 contributors; lowest published paid option: $30 per contributor per month (Code or Supply Chain); $15 (Secrets); pricing unit: Contributor.

Source: OX Security pricing · Reviewed Sep 2026

Source: Semgrep pricing · Reviewed Sep 2026

Which should you choose?

Choose OX Security if AI code and assistant coverage and governance and policy control matter most: OX scores 4.5 and 4.5 there, against 3.5 and 2.5 for Semgrep. Choose Semgrep if developer experience and pricing and buying clarity matter most: Semgrep scores 4.5 and 4.0 there, against 3.5 and 2.5 for OX.

Frequently asked questions

Is OX Security or Semgrep better for AI code security?

OX Security scores 3.8 and Semgrep 3.5 on our AI code security criteria, so OX Security ranks higher on the published weights. OX leads on 3 of 6 criteria and Semgrep on 3; 0 are tied. Which is better depends on which criteria matter most to you; the calculator on this site re-weights them.

How do OX Security and Semgrep price their plans?

OX Security: free tier: Yes: free use up to 9 developer contributions; lowest published paid option: Contact sales. Semgrep: free tier: Yes: up to 10 contributors; lowest published paid option: $30 per contributor per month (Code or Supply Chain); $15 (Secrets). Prices as published on vendor pages and marketplace listings, reviewed 2026-10-11.

Which AI coding assistants do OX Security and Semgrep name?

On the pages we reviewed, OX Security names Claude Code, Cursor, GitHub Copilot and Kiro and Semgrep names Claude Code, Cursor and Windsurf. 'Not named' means we did not find the assistant on the vendor's pages; it does not prove the tool cannot work with it.

Read the full reviews

Where next?

More head-to-heads

Sources reviewed

OX Security

Semgrep

Last reviewed October 2026. Editorial assessment from public vendor material; no hands-on testing.