Benchmark checker Agents and computer use

Is τ³-Banking still meaningful?

Status:New / unproven Checked against the report, 5 November 2026

Verdict

Promising. The best agent scores 55.2%, but outside review is thin.

Why new / unproven: It appeared in March 2026 and has had little outside review.[1][1] τ-bench leaderboard Sierra Primary

What “New / unproven” means

Known problems

  • It is new in March 2026, with little outside review.[1][1] τ-bench leaderboard Sierra Primary

What to look at instead

The report names no direct successor.

Where it appears in the report

Chapter 1, Benchmarks

Sources

Copied from the chapter source lists. Each number links back to the source in its chapter.

  1. [1]
    τ-bench leaderboard, Sierra. It gives τ²-bench, τ³-Banking and τ-Voice scores. Primary taubench.com Chapter 1, source 22