Independent eval for the Agents and Models your customers actually use.
Voice, chat, and tool-using agents — scored by humans calibrated to your rubric. Red-teamed for safety, benchmarked against frontier baselines, regression-tracked release after release.
Full-stack agent quality assurance.
Voice-Agent Evaluation.
Latency, prosody, turn-taking, and intent accuracy under real call conditions.
Conversational AI Benchmarking.
Head-to-head scoring against frontier baselines on your tasks.
Risk Evaluation.
Bias, toxicity, hallucination, and brand-alignment audits across model outputs and agent behaviors.
Engagement Evaluation.
Conversational adherence, user disengagement detection, and dialogue flow quality.
Performance Evaluation.
Customer effort scoring, optimal resolution trajectory, and outcome efficiency metrics.
Hallucination Detection.
Citation-grounded checks across long-context and tool calls.
Task Completion Evaluation.
Goal-oriented success rates, not just turn-level scores.
Multi-Turn Dialogue Scoring.
Coherence, memory, and policy adherence across sessions.
Tool-Use Validation.
Function-calling correctness, argument fidelity, error recovery.
Safety Red Teaming.
Jailbreak, prompt injection, and policy-violation probes.
Multilingual Agent Evaluation.
Native-speaker QA across 700+ languages and dialects.
Customer Support Agent QA.
Tone, accuracy, CSAT alignment, and escalation correctness.
An eval loop built for production agents.
Scope.
Define rubrics, risk classes, and acceptance thresholds with your team.
Probe.
Adversarial, naturalistic, and edge-case prompts at production volume.
Score.
Expert reviewers calibrated to your rubric with blind adjudication.
Report.
Reproducible scores, regression tracking, and remediation playbooks.
Every score is reproducible. Every reviewer is credentialed.
Evaluation in the wild.
How frontier teams use Sigma evaluation to ship reliable, steerable AI.
EU and UK secure facilities. ISO 27001, SOC 2 Type II, GDPR. Sensitive transcripts handled under right-of-deletion workflows by default.
- ISO 27001
- SOC 2 Type II
- GDPR
- EU AI Act Ready