{"slug":"hamming","url":"https://www.altairalabs.ai/vs/hamming/","markdown":"https://www.altairalabs.ai/vs/hamming.md","name":"Hamming","vendor":"Hamming","category":"Testing","checked":"2026-10-22","summary":"Omnia tests duplex voice inside your cluster, gates the release on it and rolls back a bad version automatically, on one platform. Hamming is a separate testing vendor that dials in from outside and keeps call data in its cloud.","headline":"Hamming tests voice agents, and Omnia does too, inside your cluster and as part of the release.","scene":{"setup":"A voice release passes every test and still sounds wrong on real lines.","omnia":"The release was on a small share of calls when the live metrics dropped. Promotion stopped and Omnia rolled it back. The calls that failed became scenarios in the suite for every later version.","omniaCaps":["progressive-rollout","metric-gated-promotion","prod-to-regression"],"them":"Hamming can block deployments that don’t meet thresholds. It doesn’t run the agent, so rollout and rollback belong to whatever does.","source":"https://hamming.ai/enterprise","omniaEvidence":"https://omnia.altairalabs.ai/tutorials/progressive-rollouts/"},"differences":[{"title":"Tests inside your boundary","body":"Simulated callers and adversarial probes run in your cluster, against the agent and its real tools, on providers you choose. Recordings stay with you.","caps":["voice-testing","adversarial","selfplay"],"them":"Tests dial a SIP number or connect over WebRTC; data stays in the United States by default, with EU clusters offered.","source":"https://hamming.ai/enterprise","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/how-to/voice/setup-voice-testing/"},{"title":"Testing and release in one system","body":"The suite gates the version and the rollout watches it on live traffic, in the same system that runs the agent.","caps":["deploy-gate","progressive-rollout"],"them":"CI integration blocks deployments below threshold; it has no rollout of its own.","source":"https://hamming.ai/enterprise","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/how-to/interfaces/run-in-ci/"},{"title":"One contract","body":"Testing, the voice runtime, policy, privacy and telemetry come from one platform that’s free while you build.","caps":["duplex-voice","per-call-policy","pii-sessions","tracing"],"them":"A testing service priced on request, alongside whichever platform runs the agent.","source":"https://hamming.ai/pricing","omniaEnterprise":true,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/explanation/duplex-architecture/"}],"rows":[{"topic":"Interruption testing","omnia":"Barge-in, overlap, dead air.","caps":["voice-testing"],"them":"Interruptions, accents, noise, DTMF.","coverage":"yes","source":"https://hamming.ai","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/how-to/voice/setup-voice-testing/"},{"topic":"Adversarial probes","omnia":"Yes.","caps":["adversarial"],"them":"Yes.","coverage":"yes","source":"https://hamming.ai","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/how-to/voice/voice-red-team/"},{"topic":"CI gate","omnia":"Built into the release.","caps":["deploy-gate"],"them":"Blocks below threshold.","coverage":"yes","source":"https://hamming.ai/enterprise","omniaEnterprise":false,"omniaEvidence":"https://promptarena.altairalabs.ai/arena/how-to/interfaces/run-in-ci/"},{"topic":"Stepped rollout, auto rollback","omnia":"Yes.","caps":["progressive-rollout"],"them":"Not applicable; it doesn’t run agents.","coverage":"undocumented","source":"https://hamming.ai/enterprise","omniaEnterprise":false,"omniaEvidence":"https://omnia.altairalabs.ai/tutorials/progressive-rollouts/"},{"topic":"Runs in your infrastructure","omnia":"Yes.","caps":["workspaces"],"them":"On-premise for specific use cases.","coverage":"partly","source":"https://hamming.ai/enterprise","omniaEnterprise":false,"omniaEvidence":"https://omnia.altairalabs.ai/how-to/workspaces/manage-workspaces/"}],"faq":[{"q":"Can Omnia test a voice agent running somewhere else?","a":"Yes. Scenarios run against any endpoint you can reach, wherever the agent is hosted."},{"q":"Is the test harness open source?","a":"PromptArena, which runs Omnia’s scenarios, is Apache 2.0 and installs with npm."}]}