Grok
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Grok
Our pickClaude Design (Anthropic)
Tier-list head-to-head. Claude Design (Anthropic) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | B-tier | A-tierwin |
| Overall score | 7.5 / 10 | 8.4 / 10win |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | People who live on X/Twitter and want an AI that can tap into that data in real-time. | Designers who use Claude Pro or Max and want an AI starting point for design systems, prototypes, slide dec… |
| Last reviewed | 2026-05-21 | 2026-04-17 |
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
Free tier available
Grok 4.20 benchmarks — Claude Design (Anthropic) 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 GrokDesigners who use Claude Pro or Max and want an AI starting point for design systems, prototypes, slide decks, or one-pagers -- especially when the design decisions need to be internally consistent across many screens or slides. Also good for non-designer product managers and founders who need credible deliverables without hiring.
Visit Claude Design (Anthropic)Bottom line
Claude Design (Anthropic) 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 Claude Design (Anthropic)'s strengths, so if those categories are your priority, the lead translates.
Pricing-wise, both tools have a free tier (Grok starts $0, Claude Design (Anthropic) starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
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 Claude Design (Anthropic) when designers who use claude pro or max and want an ai starting point for design systems, prototypes, slide decks, or one-pagers -- especially when the design decisions need to be internally consistent across many screens or slides. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Claude Design (Anthropic)'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: Claude Design (Anthropic) 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 Claude Design (Anthropic) review
Tier A · 8.4/10
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Built from our daily AI-tool sweep, last touched May 21, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.