Amazon Nova 2 Sonic vs Phonic-1

Phonic-1 is more reliable, by 20.0 points. Amazon Nova 2 Sonic handled 8 of 70 real callers well on all three runs, and Phonic-1 22. A caller only counts when every run of the call scored 80 or more.

For a voice agent, Phonic-1, since it handles more real callers well on every run. Phonic-1 is ahead on ELO rating, hearing score, turn taking score, speaking score, task handling score, reliability, calls handled well, calls fully resolved and median latency, and Amazon Nova 2 Sonic on calls where the agent went quiet.

Phonic-1, by 11.0 points higher. Amazon Nova 2 Sonic fully resolved 13.8% of calls and Phonic-1 24.8%. A call counts only when every step the caller needed was done.

No. Phonic-1 starts replying 0.77s sooner at the median. Amazon Nova 2 Sonic takes 2.76s at the median and 3.40s at p90; Phonic-1 takes 1.99s and 2.32s. Both are measured on the call audio, from the caller finishing to the agent starting to reply.

Amazon Nova 2 Sonic, by 3.8 points. The agent went quiet for 10 seconds or more on 7.1% of Amazon Nova 2 Sonic calls and 11.0% of Phonic-1 calls.

There is no verified per-minute rate for Amazon Nova 2 Sonic and Phonic-1, so cost cannot be compared yet.

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.