Compare

A · run_51b2c2vsB · run_a4db18research-briefSwap A and B

Duration: 1m 38s +1363%; A: 6.7s
Cost: $0.019 -56%; A: $0.043
Tokens: 19.2k +60%; A: 12.0k
Steps: 7 +75%; A: 4
Model changed: Claude Haiku; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Slower	Input policy check	0.2s	1.8s
Slower	Plan the task	2.4s	19.8s
Slower	web_search	1.0s	9.7s
Changed	Retrieve context · top 8	2.7s	10.4s
Added	Decide next step	—	17.0s
Added	fetch_page	—	7.6s
Added	Write final answer	—	25.8s

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.