BenchmarkTerminal Bench
Terminal Bench 4
An AI model benchmark focused on complex task automation in command-line environments. It includes scenarios involving system tool invocation, file handling, and multi-step operations, placing high demands on a model's practical engineering deployment capabilities.
Core Facts
Timeline (last 90 days)
Sep 29
Claude Sonnet 5.5 achieved 70.6% on the Terminal benchmark, compared to only 10.3% for the previous generation.
Verified75%
Sep 25
On Terminal Bench 4, Opus 5.5's medium tier scored higher than Fable's max tier, at less than half the price (Fable max tier at $20, Opus 5.5 medium tier at $2.94).
Unverified50%