Evidence · first-party tested

Even with a clean studio-quality sample, the clone only reached about 40% similarity to the original voice, with about 60% of the output sounding noticeably different.

⚠ Struggled40 / 100Speechify
The observation

Even with a clean studio-quality sample, the clone only reached about 40% similarity to the original voice, with about 60% of the output sounding noticeably different.

Criterion: Voice match accuracy · Scenario: High-Quality Voice Sample (group: voice-cloning-inputs)
Query this
get_evidence({
  tool: "speechify",
  scenario: "voice-cloning-inputs"
})
MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Real outputs, no retouching · every cell queryable via API & MCP · aidemos.com