Compare

A · run_8c21abvsB · run_469e9bresearch-briefSwap A and B

Duration: 25.9s +40%; A: 18.5s
Cost: $0.066 +55%; A: $0.042
Tokens: 8.1k -16%; A: 9.6k
Steps: 9 +50%; A: 6
Model same: Claude Sonnet; A: Claude Sonnet

Steps, aligned

Change	Step	A	B
Same	Input policy check	0.3s	0.3s
Same	Plan the task	4.2s	3.3s
Slower	web_search	1.5s	2.6s
Same	Retrieve context · top 8	2.0s	1.5s
Same	Decide next step	4.5s	3.9s
Changed	fetch_page	4.9s	2.7s
Added	web_search	—	2.5s
Added	Decide next step	—	3.6s
Added	Write final answer	—	3.9s

Output diff

− 0 words + 0 words 100% unchanged

Summary: four of the six sources agree that agencies switch tools mainly over client portals, pricing and reporting. The strongest evidence is a 2026 survey of 1,200 agencies and two public case studies. Confidence: high.