Grok
Free tier available
- Free$0
- X Premium$8/mo
- X Premium+$40/mo

Grok
Our pickPerplexity Computer
Claude Opus 4.6 (core reasoning) + Model Council
Tier-list head-to-head. Perplexity Computer takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | B-tier | A-tierwin |
| Overall score | 7.5 / 10 | 8.4 / 10win |
| Powered by | — | Claude Opus 4.6 (core reasoning) + Model Council |
| Free tier | Yeswin | No |
| Starting price | $0 | $20 |
| Best for | People who live on X/Twitter and want an AI that can tap into that data in real-time. | Professionals and small teams who will burn $200/month worth of research, drafting, and multi-step workflow… |
| Last reviewed | 2026-05-21 | 2026-05-26 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
Free tier available
No free tier
Grok 4.20 benchmarks — Perplexity Computer has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU | Knowledge across 57 subjects | 88.5% |
| GPQA Diamond | Graduate-level science questions | 85% |
| HumanEval | Python code generation | 90% |
| Humanity's Last Exam | Frontier difficulty questions | 50.7% |
The decision
Use-case anchors and category strengths, side by side.
People who live on X/Twitter and want an AI that can tap into that data in real-time. Also good for users who find mainstream chatbots too sanitized and want something with more personality.
Visit GrokProfessionals and small teams who will burn $200/month worth of research, drafting, and multi-step workflow time -- consultants, researchers, analysts, founders. Especially strong if you want frontier models across text, video, and images in one agent without stitching APIs together. The right pick if infrastructure is a non-starter and quality ceiling matters more than cost.
Visit Perplexity ComputerBottom line
Perplexity Computer edges out Grok by 0.9 points (8.4 vs 7.5) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for Perplexity Computer's strengths, so if those categories are your priority, the lead translates.
On pricing, Grok starts free while Perplexity Computer requires a paid plan from day one ($20+). If you're testing the waters or running an occasional workload, that gap matters more than the score differential. Grok starts at $0; Perplexity Computer starts at $20. Compare what each entry tier actually unlocks before you compare list prices -- the limits matter more than the headline number.
By use case: pick Grok when people who live on x/twitter and want an ai that can tap into that data in real-time. Pick Perplexity Computer when professionals and small teams who will burn $200/month worth of research, drafting, and multi-step workflow time -- consultants, researchers, analysts, founders. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Perplexity Computer's lane, the tier-list ranking and the use-case fit point the same direction; if you're in Grok's lane, the score gap matters less than the fit.
Bottom line: Perplexity Computer is the safer default for most readers, but Grok is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full Grok review
Tier B · 7.5/10
Full Perplexity Computer review
Tier A · 8.4/10
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Built from our daily AI-tool sweep, last touched May 26, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.