xAI · mid
Is Grok 4.20 good?
Grok 4.20 has been tested across 21 task areas. It's strongest at frontend & landing pages and weakest at content & brand. It's a mid-priced option ($3.75/1M tokens).
Our take
Strengths
Weak spots
How Grok 4.20 ranks, task by task
Rank is the position in each field; Rating is the absolute quality bar. A model can be rated "Excellent" yet sit mid-table when the whole field is strong — and vice-versa.
| Task area | Rank | Percentile | Rating |
|---|---|---|---|
| Frontend & Landing Pages | #11 of 93 |
|
Needs editing |
| Landing Pages | #12 of 56 |
|
Usable |
| AI Strategy | #11 of 50 |
|
Strong |
| Presentations & Decks | #14 of 44 |
|
Excellent |
| Research & Competitive Analysis | #24 of 44 |
|
Usable |
| Knowledge & Docs | #57 of 94 |
|
Usable |
| Coding | #33 of 52 |
|
Usable |
| Creative & Comedy | #31 of 44 |
|
Elo |
| Executive Assistant | #36 of 50 |
|
Usable |
| Data & Analytics | #51 of 69 |
|
Excellent |
| Investor & Pitch | #39 of 50 |
|
Usable |
| Sales | #35 of 44 |
|
Usable |
| Chef / Home Cooking | #41 of 50 |
|
Needs editing |
| Product & Project Management | #37 of 44 |
|
Strong |
| Training & Education | #37 of 44 |
|
Strong |
| Summarization & Meeting Notes | #40 of 44 |
|
Strong |
| Customer Support | #40 of 43 |
|
Usable |
| Structured Output | #40 of 43 |
|
Strong |
| Translation & Localization | #41 of 44 |
|
Strong |
| Legal & HR | #43 of 44 |
|
Strong |
| Content & Brand | #50 of 50 |
|
Weak |
Industry benchmarks
Standardized third-party scores, shown for context — these are independent of our real-task tests.
Headline vs. real-world
Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29) · Source: Design Arena (www.designarena.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29)
Like Grok 4.20, but…
Similar
- Grok 4.20 Beta Mid
- Claude Haiku 4.5 Mid
- DeepSeek V3.1 Terminus Budget
Cheaper
- DeepSeek V3.2 85% cheaper
- DeepSeek V3.1 Terminus 67% cheaper
- GPT-5.4 Nano 61% cheaper
Smarter
- GPT-5.5 +53 pts
- Gemini 3.1 Pro Preview +52 pts
- Claude Opus 4.8 +48 pts
Frequently asked
Is Grok 4.20 any good?
Grok 4.20 places top-3 in 0 of 21 task areas we benchmarked. It performs best at Frontend & Landing Pages.
What is Grok 4.20 best at?
Its strongest task areas are Frontend & Landing Pages, Landing Pages, AI Strategy.
Is there a cheaper alternative to Grok 4.20?
DeepSeek V3.2 is 85% cheaper and stays competitive on quality across our benchmarks.
How we test & rank
Each model is scored on real tasks across 21 task areas by an LLM judge with deterministic checks. "Percentile" is this model's standing within each area's field; the cross-area figures are rank-based so quality and Elo scores are never mixed.
This page is Spring Prompt, running
We just did this for every model. Do it for your prompt.
The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.
- Generate test cases from your prompt — no eval set required to start.
- Compare models side by side with quality, cost and latency in one matrix.
- Optimise the winner until the scores say it's ready to ship.
Prompt × model results
12 test cases · 3 evals