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Gemini 3.8 Live vs GPT-Live 1 + GPT-6 Sol

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Gemini 3.8 LiveGoogle
Wins 2 of 11
Reliability (Pass³)
27.1%
Latency P50
2.01s
Cost per Minute (USD)
n/a
GPT-Live 1 + GPT-6 SolOpenAI
Wins 7 of 11
Reliability (Pass³)
32.9%
Latency P50
2.27s
Cost per Minute (USD)
$0.055

GPT-Live 1 + GPT-6 Sol is ahead on ELO rating, hearing score, speaking score, task handling score, reliability, calls handled well and calls fully resolved, and Gemini 3.8 Live on calls where the agent went quiet and median latency. The two tie on turn taking score.

Last updated Methodology by Dileep Chagam

Who is better at what

Gemini 3.8 LiveGPT-Live 1 + GPT-6 Sol
  • ELO Rating9681069
  • Hearing5671
  • Turn Taking7272
  • Speaking8283
  • Task Handling6182
  • Reliability (Pass³)27.1%32.9%
  • Pass Rate (score ≥ 80)46.2%58.6%
  • Task Completion Rate16.2%36.2%
  • Dead-Air Rate (≥ 10 s)6.2%13.3%
  • Latency P502.01s2.27s
  • Cost per Minute (USD)No verified rate$0.055

Results by call

Right every time, on booking and Healthcare calls

Banking callsHealthcare calls
  1. 17%
    37%
    Gemini 3.8 Live
  2. 29%
    37%
    GPT-Live 1 + GPT-6 Sol

Related Comparisons

Each model on its own: Gemini 3.8 Live and GPT-Live 1 + GPT-6 Sol

Gemini 3.8 Live vs GPT-Live 1 + GPT-6 Sol FAQ

  • GPT-Live 1 + GPT-6 Sol is more reliable, by 5.7 points. Gemini 3.8 Live handled 19 of 70 real callers well on all three runs, and GPT-Live 1 + GPT-6 Sol 23. A caller only counts when every run of the call scored 80 or more.

  • For a voice agent, GPT-Live 1 + GPT-6 Sol, since it handles more real callers well on every run. GPT-Live 1 + GPT-6 Sol is ahead on ELO rating, hearing score, speaking score, task handling score, reliability, calls handled well and calls fully resolved, and Gemini 3.8 Live on calls where the agent went quiet and median latency. The two tie on turn taking score.

  • GPT-Live 1 + GPT-6 Sol, by 20.0 points higher. Gemini 3.8 Live fully resolved 16.2% of calls and GPT-Live 1 + GPT-6 Sol 36.2%. A call counts only when every step the caller needed was done.

  • Yes. Gemini 3.8 Live starts replying 0.26s sooner at the median. Gemini 3.8 Live takes 2.01s at the median and 2.52s at p90; GPT-Live 1 + GPT-6 Sol takes 2.27s and 2.72s. Both are measured on the call audio, from the caller finishing to the agent starting to reply.

  • Gemini 3.8 Live, by 7.1 points. The agent went quiet for 10 seconds or more on 6.2% of Gemini 3.8 Live calls and 13.3% of GPT-Live 1 + GPT-6 Sol calls.

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

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