Claude Mythos Preview vs Devin

Which one should you pick? Here's the full breakdown.

Claude Mythos Preview

C
6.5/10

Anthropic's most capable model -- a gated research preview via Project Glasswing, cybersecurity-specialized. 73% success on expert CTF tasks, 32-step autonomous network attacks. Not generally available.

Our Pick

Devin

B
7.4/10

The most autonomous AI coding agent -- Devin 2.2 (Feb 24 2026) adds desktop/GUI testing (Figma, browser automation), Devin Review (pull-request analysis catching ~30% more issues), and ~3x faster startup (~15s vs ~45s). Now embedded in Windsurf 2.0

Powered by Cognition proprietary orchestration over Claude / GPT / Gemini + Devin's own tuned components

CategoryClaude Mythos PreviewDevin
Ease of Use2.06.5
Output Quality10.08.0
Value5.07.0
Features9.08.0
Overall6.57.4

Pricing Comparison

FeatureClaude Mythos PreviewDevin
Free TierNoNo
Starting PriceInvite only$20

Which Should You Pick?

Pick Claude Mythos Preview if...

  • ✓Higher output quality (10 vs 8)
  • ✓More features (9 vs 8)

Partner organizations in Project Glasswing doing cybersecurity research, defensive red-teaming, threat intelligence, or large-scale vulnerability triage. If your use case is legitimate cybersecurity and you have enterprise Anthropic contact, ask about Glasswing admission.

Visit Claude Mythos Preview

Pick Devin if...

  • ✓Easier to use (6.5 vs 2)
  • ✓Better value for money (7/10)

Development teams that want to offload well-scoped tasks like bug fixes, test writing, and boilerplate code to an autonomous agent. Best when the task description is detailed and specific.

Visit Devin

Our Verdict

Devin edges out Claude Mythos Preview with a 7.4 vs 6.5 overall score. Both are solid picks, but Devin has the advantage in value.