Anchor launches Action Index, cutting computer-use agent token costs by 100x

Anchor launched Action Index, a shared memory of web workflows that agents replay as deterministic code instead of reasoning through every click. On 300 Online-Mind2Web tasks, a small model with Action Index completed 93.3% at $0.016 per task, versus 93% at $1.57 for a frontier model.

• Small model with Action Index: 93.3% of tasks at $0.016 vs 93% at $1.57 for a frontier model
• The full 300-task run cost $4.87 with Action Index, compared with $472
• Without Action Index, the same small model completed only 62.7%
• On 120 tasks, token use fell 74%, steps 75% and wall-clock time 61%