Compare

A · run_51b2c2vsB · run_e2f9edresearch-briefSwap A and B

Duration: 54.5s +713%; A: 6.7s
Cost: $0.070 +61%; A: $0.043
Tokens: 9.4k -22%; A: 12.0k
Steps: 8 +100%; A: 4
Model changed: Claude Sonnet; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Slower	Input policy check	0.2s	0.9s
Slower	Plan the task	2.4s	14.2s
Slower	web_search	1.0s	4.0s
Changed	Retrieve context · top 8	2.7s	4.5s
Added	Decide next step	—	12.1s
Added	fetch_page	—	3.1s
Added	web_search	—	2.6s
Added	Write final answer	—	9.9s

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.