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Cybersecurity · head to head

Arnica vs Deep Code

Arnica logo

Arnica

Cybersecurity

AI-native application security platform detecting and fixing vulnerabilities across the SDLC

From
Free
Free plan
Yes
Full reviewWebsite
Deep Code logo

Deep Code

Developer Tools

Desktop AI coding assistant that runs on DeepSeek models

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Arnica per-identity pricing ($25-$50/person/year) requires tracking active developers; Deep Code model choice is narrow. Bring your own key covers DeepSeek-V4-Pro and Flash plus the GLM and Mimo coding plans, and no frontier model from OpenAI, Anthropic or Google.
  • They diverge on capability: Arnica covers AI SAST, Deep Code covers DeepSeek-backed agent.
  • Prices and features above were last checked on 15 September 2026.

Where they differ

Only the attributes on which Arnica and Deep Code actually diverge.

Attributes where Arnica and Deep Code differ
AttributeArnicaDeep Code
Pricing modelPer-identity subscription with annual discountfreemium
PlatformsWeb, GitHub, IDEWindows, macOS, Linux
CategoryCybersecurityDeveloper Tools

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Arnica

  • AI SAST
  • Software Composition Analysis
  • Secrets detection
  • IaC scanning
  • Container scanning
  • SBOM generation
  • Agentic rules
  • Pipelineless integration

Only in Deep Code

  • DeepSeek-backed agent
  • Session management
  • File explorer
  • Snippets panel
  • Voice input
  • Bring your own key

What people use each for

The jobs each tool is most often brought in to do.

Arnica

  • Detecting AI-generated vulnerabilities in Copilot and Cursor suggestionsnot Deep Code
  • Finding hardcoded secrets before they reach productionnot Deep Code
  • Mapping container vulnerabilities back to source codenot Deep Code
  • Generating SBOM for supply chain compliance requirementsnot Deep Code
  • Scanning infrastructure-as-code for misconfiguration risksnot Deep Code

Deep Code

  • AI-assisted coding on a budgetnot Arnica
  • Debugging and bug fixingnot Arnica
  • Refactoring existing codenot Arnica
  • Reusing prompt templates across projectsnot Arnica
  • Using an existing DeepSeek API key without proxy setupnot Arnica

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Arnica

  • Per-identity pricing ($25-$50/person/year) requires tracking active developers
  • Overage identity tracking via 90-day PR activity can be unpredictable
  • Free plan limited to weekly updates, requiring upgrade for real-time scanning
  • Advanced add-ons (Image Scanning, AI SAST, Agentic Rules Enforcer) pricing not published
  • On-premises deployment limited to Enterprise tier

Deep Code

  • Model choice is narrow. Bring your own key covers DeepSeek-V4-Pro and Flash plus the GLM and Mimo coding plans, and no frontier model from OpenAI, Anthropic or Google.
  • The Pro tier caps included usage at 100 Pro Credits per day rather than offering an unmetered plan.
  • Bring your own key is a paid feature, so the free tier cannot be pointed at your own DeepSeek account.
  • Desktop only, with no editor extension, web version or team seat management as of September 2026.
  • A small, young vendor with no independent review coverage yet, so there is nothing outside the vendor's own site to corroborate the cost claim.

Pricing, plan by plan

Arnica

Free
  • FreeFree
    • No credit card required
    • 14-day trial available
    • Weekly risk identification updates
  • Core Business$360/year
    • Monthly billing option at $30/identity/month
    • Annual billing at $25/identity/month (17% discount)
    • Real-time risk scanning and notifications
  • Core Enterprise$720/year
    • Monthly billing option at $60/identity/month
    • Annual billing at $50/identity/month (17% discount)
    • All Core Business features

Deep Code

Free
  • FreeFree
    • Session management
    • File explorer and snippets panel
    • Voice input
  • Pro$5/month
    • All Free features
    • 100 daily Pro Credits
    • BYOK across DeepSeek-V4-Pro, DeepSeek-V4-Flash, GLM Coding Plan and Mimo Coding Plan

Which should you pick?

Choose Arnica if

  • You need ai sast.
  • You want to start without paying.
  • You work on Web, GitHub, IDE.
  • You also want software composition analysis.
Arnica review

Choose Deep Code if

  • You need deepseek-backed agent.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want session management.
Deep Code review

Questions people ask

Is Arnica or Deep Code better?
Neither clearly leads. Arnica starts at Free and Deep Code at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arnica or Deep Code?
Arnica starts at Free and Deep Code at Free.
Does Arnica or Deep Code run on more platforms?
Arnica runs on Web, GitHub, IDE. Deep Code runs on Windows, macOS, Linux.
Can I use Arnica for free?
Both have a free tier, so you can try either at no cost before committing.
What is Arnica best used for?
Arnica is most often used for detecting ai-generated vulnerabilities in copilot and cursor suggestions, finding hardcoded secrets before they reach production, mapping container vulnerabilities back to source code, generating sbom for supply chain compliance requirements. Of those, detecting ai-generated vulnerabilities in copilot and cursor suggestions and finding hardcoded secrets before they reach production are not what Deep Code is typically brought in for.
What can Arnica do that Deep Code cannot?
Arnica covers AI SAST, Software Composition Analysis, Secrets detection, IaC scanning. Deep Code covers DeepSeek-backed agent, Session management, File explorer, Snippets panel.

Answered from the vendors’ own pages

Arnica: How are identities defined in Arnica pricing?

Identities are any users and other contributing entities that contributed code and/or had PR activity during the last 90 days. This ensures billing matches active developers.

Source
Deep Code: Which models does Deep Code run on?

DeepSeek V4 family models, with the vendor's headline built around DeepSeek V4.1. The free tier's included credits run on DeepSeek-V4-Flash. Paid users bringing their own key can also use DeepSeek-V4-Pro, the GLM Coding Plan and the Mimo Coding Plan.

Source
Arnica: What is the annual discount?

Annual prepayment offers approximately 17% savings versus monthly billing. Core Business annual is $300/identity versus $360 for monthly.

Source
Deep Code: What does Deep Code cost?

There are two tiers. Free is $0 per month and includes session management, the file explorer, snippets, voice input and weekly free credits on DeepSeek-V4-Flash. Pro is $5 per month and adds 100 daily Pro Credits plus bring-your-own-key support for multiple models.

Source
Arnica: Can I cancel or downgrade Arnica anytime?

Yes. Subscriptions can be cancelled or downgraded at any time. Overage identities receive automatic protection with true-up invoicing.

Source
Deep Code: Do I need my own API key to use it?

No. The free tier includes weekly credits and needs no credit card, so the app works without a key. Bring your own key is available on the $5 per month Pro tier and covers DeepSeek-V4-Pro, DeepSeek-V4-Flash, the GLM Coding Plan and the Mimo Coding Plan.

Source
Deep Code: Which operating systems does it run on?

Windows, macOS and Linux. It is a desktop application rather than an editor extension, so it runs alongside whatever editor you already use.

Source
Deep Code: Is the 95 percent cheaper claim independently verified?

No. It is the vendor's own figure, based on DeepSeek token pricing against frontier model pricing. Actual savings depend on which model you compare against and how much of your usage falls inside the included credits.

Source
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