success rate for AI agents on real-world tasks in Terminal-Bench, up from 20% in 2025 (Stanford AI Index 2026)
About 66%task success for AI agents on OSWorld, a test of real computer tasks, up from 12%; agents still fail about 1 in 3 attempts
About 66% task success for AI agents on OSWorld, a test of real computer tasks, up from 12%; agents still fail about 1 in 3 attempts (2025-2026, Stanford HAI, AI Index Report)
AI agent success on benchmark tasks (Stanford AI Index 2026)
| Group | Earlier | Latest |
|---|---|---|
| OSWorld (computer tasks) | 12% | 66% |
| Terminal-Bench (real-world tasks) | 20% | 77.3% |
In plain words
What this number really says
About 66% task success for AI agents on OSWorld, a test of real computer tasks, up from 12%; agents still fail about 1 in 3 attempts (2025-2026).
the latest figure (2025-2026)
type of source
Why you can trust it. Stanford HAI, AI Index Report: research, research firm or analyst compilation.
Key facts
- Period 2025-2026
- Region Global
- Company size All sizes
- Next data Yearly
Source: Stanford HAI, AI Index Report, 2025-2026
Method and use
How it was measured, and how to use it
How it was measured
- Publisher
- Stanford HAI, AI Index Report
- Source type
- Research: Research firm or analyst compilation
- What it measures
- About 66% task success for AI agents on OSWorld, a test of real computer tasks, up from 12%; agents still fail about 1 in 3 attempts
- Data period
- 2025-2026 (ends 31 Mar 2026)
- Published by the source
- 13 Apr 2026
- In the source's words
AI agents made a leap from 12% to ~66% task success on OSWorld, which tests agents on real computer tasks across operating systems
- Checked at source
- 23 Oct 2026: Read on hai.stanford.edu (2026 AI Index Report, top takeaways) on 2026-10-23. Benchmark score, not real-world adoption.
- Reuse
- CC BY-ND 4.0 for the report; check before reuse. Compiles data from many sources; cite the AI Index and its original source.
- Next expected update
- Yearly (Stanford HAI, yearly (April))
- Original page
- hai.stanford.edu: AI Index Report
- Data files
- CSV · JSON (stable links)
Full change log
No changes recorded yet. First checked at the source on 23 Oct 2026.
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What is the latest figure for capability (Global)?
About 66% task success for AI agents on OSWorld, a test of real computer tasks, up from 12%; agents still fail about 1 in 3 attempts, for 2025-2026, according to Stanford HAI, AI Index Report. We checked it at the source on 23 Oct 2026.
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