Deepslate Opal vs Grok Voice 3.0

Grok Voice 3.0 is more reliable, by 30.0 points. Deepslate Opal handled 9 of 70 real callers well on all three runs, and Grok Voice 3.0 30. A caller only counts when every run of the call scored 80 or more.

For a voice agent, Grok Voice 3.0, since it handles more real callers well on every run. Grok Voice 3.0 is ahead of Deepslate Opal on all 11 metrics.

Grok Voice 3.0, by 22.4 points higher. Deepslate Opal fully resolved 12.4% of calls and Grok Voice 3.0 34.8%. A call counts only when every step the caller needed was done.

No. Grok Voice 3.0 starts replying 0.86s sooner at the median. Deepslate Opal takes 2.46s at the median and 3.16s at p90; Grok Voice 3.0 takes 1.60s and 1.94s. Both are measured on the call audio, from the caller finishing to the agent starting to reply.

Grok Voice 3.0, by 9.0 points. The agent went quiet for 10 seconds or more on 16.2% of Deepslate Opal calls and 7.1% of Grok Voice 3.0 calls.

Grok Voice 3.0 is $0.032 cheaper a minute. Deepslate Opal costs $0.112 a minute of call and Grok Voice 3.0 $0.080, at each vendor's published rates.

Cekura ran both as the whole agent with the same prompt, tools and phone connection. Both took the same 70 recorded real human callers on live calls, three times each. Each call is graded on 25 skills across Hearing, Turn Taking, Task Handling and Speaking, and passes at a score of 80 out of 100.