Anthropic · preview runs only

Claude Opus 4.6 and Taskade

Claude Opus 4.6 from Anthropic is not in the Taskade model menu. We ran it in preview tests, which the TSK-1 ranking does not count. Its newest preview run was on Oct 23, 2026. TSK-1, our app-building test, does not rank preview runs.

Status
Not in Taskade
Context window
1MtokensHow much it can read at once
Max output
128KtokensLongest answer it can write
Released
Knowledge cutoff
Newest events it learned about
Where it runs
7servicesOther services that serve it

Published scores

Benchmark scores that Anthropic and test sites published for Claude Opus 4.6. Taskade did not re-run them. Lab-reported marks a score from Anthropic itself.

Published benchmark scores for Claude Opus 4.6, with sources
BenchmarkScore
SWE-Bench Proresolve rate · publicScale AI51.9%
Terminal-Benchfirst try · v2.1 · medium effort · in Claude CodeArtificial Analysis70.2%
More published scores (8)
Published benchmark scores for Claude Opus 4.6, with sources: More published scores (8)
BenchmarkScore
SWE-Atlas Codebase QnAin Claude CodeScale AI33.3
SWE-Atlas Codebase QnAin Mini-SWE-AgentScale AI30
SWE-Atlas Refactoringin Claude CodeScale AI35.58
SWE-Atlas Test Writingin Claude CodeScale AI36.67
SWE-Atlas Test Writingin Mini-SWE-AgentScale AI36.08
Artificial Analysis Coding Agent Indexaverage, first try · medium effort · in Claude CodeArtificial Analysis51.3%
SWE-Atlas Codebase QnAfirst try · medium effort · in Claude CodeArtificial Analysis71.9%
SWE-Bench Profirst try · medium effort · in Claude Code · hard-aaArtificial Analysis11.8%

LMArena scores

LMArena scores for Claude Opus 4.6
BenchmarkScore
Text arena±3 · 89,324 votes · Rank 9 of 419 · LMArena1,496
WebDev arena±5 · 20,576 votes · Rank 52 of 152 · LMArena1,537

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.

TSK-1, our own app-building test

Scores collected by models.dev (MIT). Each source links the page that published the score.

Versions tested

Preview runs only, not ranked

See the Claude Opus 4.6 preview runs

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
Thinking levels
LowMediumHighMaxHow long it can think. Higher is slower and more careful.

Published specs from the model maker, via models.dev (MIT).

Where it runs

Services outside Taskade that serve Claude Opus 4.6, from models.dev. Each link opens in a new tab.

What to pick in Taskade

  1. Leave TSK-Auto on, and Taskade picks a current model for each request.
  2. To pick a model yourself, choose one from the model menu.
  3. To compare, open the models page and read the test results of the models you can pick.

Claude in the docs

Compare Claude

Other Anthropic models

FAQ

Can I pick Claude Opus 4.6 in Taskade?

No. Claude Opus 4.6 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 Claude Opus 4.6?

Only in preview runs, last on Oct 23, 2026. The TSK-1 ranking does not count them, so Claude Opus 4.6 has no TSK-1 score. The TSK-1 page shows what each run built.

Who makes Claude Opus 4.6?

Anthropic makes Claude Opus 4.6. Taskade runs frontier models from top AI labs, and the Claude results page shows how Anthropic models build apps.