Gemini 3.8 Live vs Phonic-1

Compare
Gemini 3.8 LiveGoogle
Wins 2 of 11
Reliability (Pass³)
27.1%
Latency P50
2.01s
Cost per Minute (USD)
n/a
Phonic-1Phonic
Wins 8 of 11
Reliability (Pass³)
31.4%
Latency P50
1.99s
Cost per Minute (USD)
n/a

Phonic-1 is ahead on ELO rating, hearing score, turn taking score, task handling score, reliability, calls handled well, calls fully resolved and median latency, and Gemini 3.8 Live on speaking score and calls where the agent went quiet.

Last updated Methodology by Dileep Chagam

Who is better at what

Gemini 3.8 LivePhonic-1
  • ELO Rating9681030
  • Hearing5667
  • Turn Taking7276
  • Speaking8270
  • Task Handling6179
  • Reliability (Pass³)27.1%31.4%
  • Pass Rate (score ≥ 80)46.2%52.9%
  • Task Completion Rate16.2%24.8%
  • Dead-Air Rate (≥ 10 s)6.2%11.0%
  • Latency P502.01s1.99s
  • Cost per Minute (USD)No verified rateNo verified rate

Results by call

Right every time, on booking and Healthcare calls

Banking callsHealthcare calls
  1. 17%
    37%
    Gemini 3.8 Live
  2. 31%
    31%
    Phonic-1

Gemini 3.8 Live vs Phonic-1 FAQ

  • Phonic-1 is more reliable, by 4.3 points. Gemini 3.8 Live handled 19 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, task handling score, reliability, calls handled well, calls fully resolved and median latency, and Gemini 3.8 Live on speaking score and calls where the agent went quiet.

  • Phonic-1, by 8.6 points higher. Gemini 3.8 Live fully resolved 16.2% of calls and Phonic-1 24.8%. A call counts only when every step the caller needed was done.

  • No. Phonic-1 starts replying 0.02s sooner at the median. Gemini 3.8 Live takes 2.01s at the median and 2.52s 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.

  • Gemini 3.8 Live, by 4.8 points. The agent went quiet for 10 seconds or more on 6.2% of Gemini 3.8 Live calls and 11.0% of Phonic-1 calls.

  • There is no verified per-minute rate for Gemini 3.8 Live 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.

Test your voice agent the same way.

Cekura runs these simulated calls on your agent and scores every one.