B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
29%
29% -- quarterly performance decay rate for one-and-done AI sales agent deployments (2026)
One-and-done AI sales agent deployments decay by 29% quarterly without tuning.
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
29%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Forrester
Primary
Tier C
https://bizaigpt.com/blog/common-mistakes-ai-sales-agents ↗
Source Article
Common Mistakes with AI Sales Agents and How to Avoid Them in 2026
Original Research
Forrester
· Original study ↗
Methodology
Attributed to Forrester; cannot verify
Methodology documented
Segmentation
IndustryAI
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
one-and-done AI sales agent deployments: 29% quarterly performance decay rate. Source: Forrester (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/untuned-agent-decay-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/untuned-agent-decay-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>29%</strong> -- quarterly performance decay rate for one-and-done AI sales agent deployments<br><small>Source: Forrester (2026) · <a href="https://lighthousedata.io/data/untuned-agent-decay-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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