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Gemini 3.1 Flash Live Preview vs GPT-Live 1 + GPT-6 Sol

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Gemini 3.1 Flash Live PreviewGoogle
Wins 3 of 11
Reliability (Pass³)
34.3%
Latency P50
3.06s
Cost per Minute (USD)
$0.070
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, calls fully resolved, median latency and cost, and Gemini 3.1 Flash Live Preview on turn taking score, reliability and calls where the agent went quiet. The two tie on calls handled well.

Last updated Methodology by Dileep Chagam

Who is better at what

Gemini 3.1 Flash Live PreviewGPT-Live 1 + GPT-6 Sol
  • ELO Rating10621069
  • Hearing6871
  • Turn Taking7972
  • Speaking8083
  • Task Handling7782
  • Reliability (Pass³)34.3%32.9%
  • Pass Rate (score ≥ 80)58.6%58.6%
  • Task Completion Rate24.8%36.2%
  • Dead-Air Rate (≥ 10 s)7.6%13.3%
  • Latency P503.06s2.27s
  • Cost per Minute (USD)$0.070$0.055

Results by call

Right every time, on booking and Healthcare calls

Banking callsHealthcare calls
  1. 29%
    40%
    Gemini 3.1 Flash Live Preview
  2. 29%
    37%
    GPT-Live 1 + GPT-6 Sol

Related Comparisons

Each model on its own: Gemini 3.1 Flash Live Preview and GPT-Live 1 + GPT-6 Sol

Gemini 3.1 Flash Live Preview vs GPT-Live 1 + GPT-6 Sol FAQ

  • Gemini 3.1 Flash Live Preview is more reliable, by 1.4 points. Gemini 3.1 Flash Live Preview handled 24 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, Gemini 3.1 Flash Live Preview, 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, calls fully resolved, median latency and cost, and Gemini 3.1 Flash Live Preview on turn taking score, reliability and calls where the agent went quiet. The two tie on calls handled well.

  • GPT-Live 1 + GPT-6 Sol, by 11.4 points higher. Gemini 3.1 Flash Live Preview fully resolved 24.8% of calls and GPT-Live 1 + GPT-6 Sol 36.2%. A call counts only when every step the caller needed was done.

  • No. GPT-Live 1 + GPT-6 Sol starts replying 0.79s sooner at the median. Gemini 3.1 Flash Live Preview takes 3.06s at the median and 3.86s 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 3.1 Flash Live Preview, by 5.7 points. The agent went quiet for 10 seconds or more on 7.6% of Gemini 3.1 Flash Live Preview calls and 13.3% of GPT-Live 1 + GPT-6 Sol calls.

  • GPT-Live 1 + GPT-6 Sol is $0.015 cheaper a minute. Gemini 3.1 Flash Live Preview costs $0.070 a minute of call and GPT-Live 1 + GPT-6 Sol $0.055, 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.

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