Compare

A · run_3337d6vsB · run_b475efresearch-briefSwap A and B

Duration: 6.4s +60%; A: 4.0s
Cost: $0.083 +52%; A: $0.054
Tokens: 13.7k -30%; A: 19.6k
Steps: 11 +83%; A: 6
Model changed: Claude Sonnet; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Same	Input policy check	0.1s	0.1s
Same	Plan the task	0.8s	0.9s
Slower	web_search	0.4s	0.6s
Same	Retrieve context · top 8	0.3s	0.4s
Same	Decide next step	1.0s	1.0s
Changed	fetch_page	1.2s	0.4s
Added	web_search	—	0.4s
Added	Decide next step	—	1.0s
Added	web_search	—	0.3s
Added	fetch_page	—	0.2s
Added	Write final answer	—	0.8s

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.