B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
5%
5% -- speech recognition word error rate for best speech recognition systems (2025)
The best speech recognition systems make errors on fewer than 5 words out of every 100.
- applies to best-performing systems
- fewer than 5 words out of 100
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
5%
Unit
Percentage
Data Vintage
2025
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
NIST (via Straits Research)
Primary
Tier C
https://twixor.ai/blog/how-ai-agents-work/ ↗
Source Article
How AI Voice Agents Work: Everything You Need to Know
AI voice agents hear what’s being said, understand what the caller wants, decide how to answer, and reply with natural-sounding speech, all in real time. They work on four major technologies: Automatic Speech Recognition, Natural Language Understanding, Decision Engine, and Text-to-Speech Synthesis.…
Original Research
NIST (via Straits Research)
· Original study ↗
Methodology
NIST benchmark cited by Straits Research
Methodology documented
Segmentation
IndustryAI
RoleAll marketers
Channelmulti-channel
Cite this stat
Plain Text
best speech recognition systems: 5% speech recognition word error rate. Source: NIST (via Straits Research) (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/asr-word-error-rate-benchmark
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<blockquote cite="https://lighthousedata.io/data/asr-word-error-rate-benchmark" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- speech recognition word error rate for best speech recognition systems<br><small>Source: NIST (via Straits Research) (2025) · <a href="https://lighthousedata.io/data/asr-word-error-rate-benchmark" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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