Multilingual Accuracy You Can Verify
We publish our transcription accuracy data across 15 languages. No other AI meeting tool does this. Test it yourself - no signup required.
Updated monthly - Last update: May 2026
Accuracy Across 15 Languages
All figures based on internal testing across standardized audio samples (meeting-quality, multi-speaker). We invite independent verification. Contact us at benchmark@ironmemo.com
| Language | IronMemo WER | Industry Avg WER | Improvement |
|---|---|---|---|
| English | 4.2% | 5.1% | 1.2x |
| Spanish | 6.8% | 15.2% | 2.2x |
| Russian | 7.1% | 22.4% | 3.2x |
| German | 5.9% | 14.8% | 2.5x |
| French | 6.1% | 13.9% | 2.3x |
| Portuguese | 7.4% | 18.1% | 2.4x |
| Japanese | 8.9% | 24.7% | 2.8x |
| Chinese (Mandarin) | 8.2% | 21.3% | 2.6x |
| Korean | 9.1% | 25.8% | 2.8x |
| Italian | 6.5% | 14.2% | 2.2x |
| Dutch | 7.8% | 17.6% | 2.3x |
| Polish | 8.4% | 23.1% | 2.8x |
| Turkish | 9.7% | 26.3% | 2.7x |
| Hindi | 10.2% | 28.9% | 2.8x |
| Arabic | 11.1% | 30.2% | 2.7x |
Average across 15 languages: 2.5x more accurate
See the Difference
Same audio. Same meeting. Different AI.
Generic AI Model
Russian business meeting
IronMemo (auto-selected model)
Russian business meeting
Our Testing Methodology
Transparency is a feature, not a risk.
Standardized Test Set
100 audio samples per language. Meeting-quality recordings (not studio). Multi-speaker, real accents, background noise.
Fair Comparison
Industry average calculated from public benchmarks and our own tests of 5 leading competitors on identical audio samples.
Monthly Updates
We re-run benchmarks every month as models improve. Numbers on this page reflect the latest test run.
Open to Verification
We welcome independent testing. Contact benchmark@ironmemo.com for test audio samples and methodology details.
Why Accuracy Is Not Just a Number
15 min → 2 min
Time spent fixing transcript errors per meeting. At 92.9% accuracy vs 77.6%, you save 13 minutes per meeting.
$2,000/month
Average cost of manual transcript correction for a 10-person multilingual team. IronMemo eliminates this entirely.
Find anything
Accurate transcripts mean accurate search. When your AI remembers meetings correctly, you find answers in seconds, not hours.
How We Achieve This
Language Detection
IronMemo auto-detects the language of your recording. No manual selection needed.
Best Model Selection
Our system picks the most accurate transcription model specifically trained for that language. Not one-size-fits-all.
Quality Verification
Post-processing layer checks for speaker diarization accuracy, timestamps, and formatting consistency.
Frequently Asked Questions
Numbers Are Good. Experience Is Better.
Upload a recording in any language. See the accuracy for yourself. No signup. No credit card.