77.3%

AI agent real-world task success rate in 2026, up from 20% a year earlier (Terminal-Bench)

AI agents completed real-world tasks at a 77.3% success rate in 2026, up from 20% in 2025, according to Terminal-Bench. Stanford HAI's 2026 AI Index also found that AI agents handling cybersecurity problems went from 15% success in 2024 to 93% in 2026.

Source

→ Stanford HAI — Inside the AI Index: 12 Takeaways from the 2026 Report