Claude Mythos Preview vs Perplexity Comet
Which one should you pick? Here's the full breakdown.
Claude Mythos Preview
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.
Perplexity Comet
Perplexity's agentic AI browser -- FREE on all platforms as of 2026-03-18 (previously $200/mo Max-only). iOS, Android, Windows, Mac. Browses the web, executes multi-step tasks, and summarizes pages in-line. Comet Plus ($5/mo) adds premium publisher content
| Category | Claude Mythos Preview | Perplexity Comet |
|---|---|---|
| Ease of Use | 2.0 | 8.0 |
| Output Quality | 10.0 | 8.0 |
| Value | 5.0 | 9.5 |
| Features | 9.0 | 8.0 |
| Overall | 6.5 | 8.4 |
Pricing Comparison
| Feature | Claude Mythos Preview | Perplexity Comet |
|---|---|---|
| Free Tier | No | Yes |
| Starting Price | Invite only | $0 |
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 PreviewPick Perplexity Comet if...
- ✓Easier to use (8 vs 2)
- ✓Better value for money (9.5/10)
- ✓Has a free tier
Users who already use Perplexity for search and want an agent browser that can complete multi-step tasks (booking, research, shopping, document summarization) across tabs. Also a strong introduction to the AI-browser category for anyone curious but unwilling to pay $200/mo for a preview -- the 2026-03-18 free rollout makes evaluation risk-free.
Visit Perplexity CometOur Verdict
Perplexity Comet is the clear winner here with 8.4/10 vs 6.5/10. Claude Mythos Preview isn't bad, but Perplexity Comet outperforms it across the board. Pick Claude Mythos Preview only if partner organizations in project glasswing doing cybersecurity research, defensive red-teaming, threat intelligence, or large-scale vulnerability triage.