Mistral AI vs Perplexity Comet
Which one should you pick? Here's the full breakdown.
Mistral AI
European AI lab with open and commercial models -- Mistral Small 4 (Mar 2026, 119B MoE Apache 2.0 unified model), Medium 3 (Apr 9 2026), and Voxtral TTS (open-source speech, Mar 2026)
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 | Mistral AI | Perplexity Comet |
|---|---|---|
| Ease of Use | 6.0 | 8.0 |
| Output Quality | 8.0 | 8.0 |
| Value | 9.0 | 9.5 |
| Features | 7.0 | 8.0 |
| Overall | 7.5 | 8.4 |
Pricing Comparison
| Feature | Mistral AI | Perplexity Comet |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Benchmark Head-to-Head
Mistral Large 3 / Small 4 benchmarks — Perplexity Comet has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU | Knowledge across 57 subjects | 86% |
| HumanEval | Python code generation | 92% |
| MATH | Math problem solving | 69% |
Which Should You Pick?
Pick Mistral AI if...
Developers who want cheap, high-quality API access. Also strong for multilingual applications and European companies that prefer an EU-based AI provider for data residency.
Visit Mistral AIPick Perplexity Comet if...
- ✓Easier to use (8 vs 6)
- ✓More features (8 vs 7)
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 edges out Mistral AI with a 8.4 vs 7.5 overall score. Both are solid picks, but Perplexity Comet has the advantage in value.