xAI · tested in Taskade Genesis
Grok 4.20 and Taskade
Grok 4.20 from xAI is not in Taskade. We tested it in TSK-1 to compare it with the models you can pick, and its test results stay on this page. We last tested it on Oct 8, 2026 in TSK-1, our app-building test.
- Status
- Not in Taskade
- Last test
- Context window
- 1MtokensHow much it can read at once
- Max output
- 30KtokensLongest answer it can write
- Released
- Where it runs
- 3servicesOther services that serve it
TSK-1 scorecard for the Grok family
TSK Score
Grok family, across real apps made in Taskade Genesis
- Interfaceready to share
- Strong
- Taskcompletes your task
- Strong
- Memorykeeps your data
- Strong
- Adapthandles follow-up edits
- Strong
Not scored, and not in the Taskade model menu.
MoreLess
Neither of its two October builds kept a parent's answers. A newer version can earn a fresh test.
Published scores
Benchmark scores that xAI and test sites published for Grok 4.20. Taskade did not re-run them. Lab-reported marks a score from xAI itself.
LMArena scores
| Benchmark | Score | Source |
|---|---|---|
| Text arena±4 · 66,422 votes · Rank 47 of 419 · LMArena | 1,472 | LMArena |
| WebDev arena±6 · 15,404 votes · Rank 111 of 152 · LMArena | 1,375 | LMArena |
Scores from the LMArena leaderboard dataset (CC BY 4.0). People vote between two answers, and the votes set the score. Taskade picked the Overall category and the default setting of each model.
Versions tested
Open a version to read its findings.
Grok 4.20Tested Oct 20263 findings
Not scored, and not in the Taskade model menu. Neither of its two October builds kept a parent's answers. A newer version can earn a fresh test.
With reasoning on, it described the plan, stopped before writing an app, and wrote the app only on the follow-up request. That form rejected every submission and showed no message.
With reasoning off, it built a dark form where the request asked for cream paper, and the saved row lost the child's name and kept only the photo file names.
On a Dota 2 match tracker, neither setting could log a match. With reasoning on, every save was rejected and the board showed made-up stats. With reasoning off, it built no app page, and its summary described a heroes page that did not exist.
Results by task
Model facts
Published specs from the model maker. A token is about three quarters of a word. Taskade can run the model with lower limits than these.
- Last updated
- Reads
- Text, Images, PDFWhat you can give it
- Writes
- TextWhat it gives back
- Reasoning
- YesThinking a problem through first
- Tool calling
- YesUsing tools, such as web search
- File attachments
- YesReading files that you attach
- Structured output
- YesFilling a set format, such as a table
- Open weights
- NoFree for anyone to download and run
Published specs from the model maker, via models.dev (MIT).
Where it runs
Services outside Taskade that serve Grok 4.20, from models.dev. Each link opens in a new tab.
What to pick in Taskade
- Leave TSK-Auto on, and Taskade picks a current model for each request.
- To pick a model yourself, choose one from the model menu.
- To compare, open the models page and read the test results of the models you can pick.
Where Grok ranks
TSK Score out of 100.
Compare Grok
Other xAI models
FAQ
Can I pick Grok 4.20 in Taskade?
No. Grok 4.20 is not in the Taskade model menu, and the key providers in Taskade do not list it by name. TSK-Auto picks a current model for each request. The models page lists the models you can pick now.
Has Taskade tested Grok 4.20?
Yes. We last tested Grok 4.20 on Oct 8, 2026 in the TSK-1 Benchmark, to compare it with the models in Taskade. Not scored, and not in the Taskade model menu. Neither of its two October builds kept a parent's answers. A newer version can earn a fresh test.
Who makes Grok 4.20?
xAI makes Grok 4.20. Taskade runs frontier models from top AI labs, and the Grok results page shows how xAI models build apps.