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03 Evaluation & Transcription

Accuracy you can defend in a review.

QA, validation, benchmarking, and transcription — with documented rubrics, audit trails, and statistical significance. Your model's performance numbers should survive any peer review.

Transcription accuracy
99.1%
Languages supported
90+
Eval harnesses built
240+
Avg. eval turnaround
5d
OVERVIEW

Benchmarks that tell the truth.

Public benchmarks get gamed and saturated. Real-world evaluation requires custom suites built by domain experts, statistical design, and honest calibration against human judgment.

We design evaluation programs that measure what your model is actually doing — factuality, reasoning depth, safety boundaries, code correctness, agent task completion — and deliver the data you need to ship with confidence.

CAPABILITIES

What we evaluate.

01 / TRANSCRIPTION

Multi-media transcription

Verbatim, clean, timestamped, and diarized transcription in 90+ languages.

Native-language transcribers, not outsourced templates. Punctuation, disfluencies, code-switching, and speaker changes captured the way a human actually heard them.

Verbatim transcription

Every hesitation, repair, and filler word captured for conversational modeling.

Clean transcription

Polished readable text for captions, training corpora, and content workflows.

Speaker diarization

Multi-speaker identification with timestamped speaker-change boundaries.

Force alignment

Word-level timestamps for TTS, dubbing, or accessibility workflows.

02 / BENCHMARKING

Model benchmarking

Side-by-side evaluations with statistical rigor and expert adjudication.

Blind A/B/n evaluations by domain experts, with sample sizes calculated for statistical power, rubrics designed for the task, and full disagreement analysis in your final report.

Head-to-head model comparisons

Blind ranking of your model against competitors or internal variants.

Version regression

Automated eval runs to catch quality regressions between releases.

Capability mapping

Granular scoring across reasoning, factuality, creativity, safety, code.

Holistic scorecards

Single-number dashboards with breakdowns for leadership reporting.

03 / SEARCH

Search relevance

Query-result grading for rankers, retrieval systems, and RAG pipelines.

Relevance is judgment, not just click-through. We provide human-labeled relevance data for training rankers, tuning retrieval, and auditing your RAG system's actual quality.

Query-doc grading

5-point scale relevance labels with rater calibration across domains.

Intent classification

User intent categorization for query understanding and routing.

RAG answer quality

Faithfulness, completeness, and groundedness scoring for RAG outputs.

Side-by-side ranker eval

Pairwise preference labels to train and evaluate learning-to-rank models.

04 / AUDIO

Audio & speech evaluation

WER, fluency, pronunciation, and subjective quality scoring at scale.

ASR and TTS evaluation by native speakers with phonetic training. Mean opinion scores that reflect real listener experience, not proxy metrics.

WER scoring

Standard and weighted word error rate across accents and acoustic profiles.

MOS ratings

Mean opinion scores for TTS naturalness and intelligibility.

Pronunciation scoring

Phoneme-level assessment for pronunciation training and language learning.

Fluency & prosody

Expert phonetician evaluation for synthesized speech quality.

OUR METHODOLOGY

Evaluation is engineering.

Every eval project follows a statistical protocol designed with your team — not a canned benchmark template.

1
Rubric design

Define scoring criteria, scales, and edge-case handling with your team.

2
Sample sizing

Power analysis to determine dataset size for statistical significance.

3
Rater calibration

Gold-set training until all raters converge on agreement thresholds.

4
Blind evaluation

Model identities hidden from raters. Randomized ordering. Multi-pass.

5
Analysis

Full report with confidence intervals, disagreement analysis, and raw data.

USE CASES

Where evaluation matters most.

Pre-launch safety audits

Red-team and safety scoring before a model touches production traffic.

Version regression

Catch quality drops before they ship with automated eval gating on every deploy.

Board reporting

Quarterly model-quality scorecards with leadership-ready narrative and charts.

Search ranker training

High-quality relevance labels to train and continuously improve rankers.

RAG groundedness

Human judgment of whether your RAG answers are actually supported by sources.

Speech system tuning

ASR/TTS quality measurement across accents, acoustic conditions, domains.

FAQ

Common questions.

How do you calibrate human raters?

Every rater completes a scored gold set before taking live work. Agreement thresholds are project-specific — typically 85–95% with the reference set — and we drop raters below threshold until they recalibrate.

Can you run continuous evals?

Yes. We operate running eval programs with daily or weekly batches, live dashboards, and webhook-triggered reruns on model updates.

Do you publish results or can you keep everything confidential?

Your call. We've run public leaderboard evals and fully-confidential internal audits. NDAs are standard; we've never had a leak.

What if our model is multilingual?

We run evals with native-speaker raters in every target language. A 40-language safety eval typically takes 3 weeks end-to-end.

Can you compare us to competitors?

Yes. Blind head-to-head evaluations with anonymized model outputs are one of our most common project types.

How do you prevent benchmark contamination?

Custom datasets written specifically for your eval — never published, never indexed, with provenance logs that prove they never hit the training crawl.

MORE SOLUTIONS

Explore the rest of our practice.

LET'S BUILD

Let's make your AI better together.

Tell us what you're training, aligning, or evaluating. We'll map a delivery plan, staffing model, and timeline within one working week.