Compare

A · run_562e4bvsB · run_b475efresearch-briefSwap A and B

Duration: 6.4s -42%; A: 11.0s
Cost: $0.083 +12%; A: $0.074
Tokens: 13.7k -51%; A: 27.9k
Steps: 11 +57%; A: 7
Model changed: Claude Sonnet; A: GPT-4.1

Steps, aligned

Change	Step	A	B
Faster	Input policy check	0.2s	0.1s
Faster	Plan the task	2.8s	0.9s
Faster	web_search	1.0s	0.6s
Faster	Retrieve context · top 8	0.8s	0.4s
Faster	Decide next step	1.9s	1.0s
Faster	fetch_page	1.0s	0.4s
Changed	web_search	2.6s	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.