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GPT-Live 1 + GPT-6 Sol vs GPT Realtime 2.1 Mini

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GPT-Live 1 + GPT-6 SolOpenAI
Wins 8 of 11
Reliability (Pass³)
32.9%
Latency P50
2.27s
Cost per Minute (USD)
$0.055
GPT Realtime 2.1 MiniOpenAI
Wins 3 of 11
Reliability (Pass³)
14.3%
Latency P50
2.40s
Cost per Minute (USD)
$0.020

GPT-Live 1 + GPT-6 Sol is ahead on ELO rating, hearing score, speaking score, task handling score, reliability, calls handled well, calls fully resolved and median latency, and GPT Realtime 2.1 Mini on turn taking score, calls where the agent went quiet and cost.

Last updated Methodology by Dileep Chagam

Who is better at what

GPT-Live 1 + GPT-6 SolGPT Realtime 2.1 Mini
  • ELO Rating1069921
  • Hearing7154
  • Turn Taking7274
  • Speaking8371
  • Task Handling8265
  • Reliability (Pass³)32.9%14.3%
  • Pass Rate (score ≥ 80)58.6%39.5%
  • Task Completion Rate36.2%13.8%
  • Dead-Air Rate (≥ 10 s)13.3%9.0%
  • Latency P502.27s2.40s
  • Cost per Minute (USD)$0.055$0.020

Results by call

Right every time, on booking and Healthcare calls

Banking callsHealthcare calls
  1. 29%
    37%
    GPT-Live 1 + GPT-6 Sol
  2. 9%
    20%
    GPT Realtime 2.1 Mini

Related Comparisons

Each model on its own: GPT-Live 1 + GPT-6 Sol and GPT Realtime 2.1 Mini

GPT-Live 1 + GPT-6 Sol vs GPT Realtime 2.1 Mini FAQ

  • GPT-Live 1 + GPT-6 Sol is more reliable, by 18.6 points. GPT-Live 1 + GPT-6 Sol handled 23 of 70 real callers well on all three runs, and GPT Realtime 2.1 Mini 10. 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, calls fully resolved and median latency, and GPT Realtime 2.1 Mini on turn taking score, calls where the agent went quiet and cost.

  • GPT-Live 1 + GPT-6 Sol, by 22.4 points higher. GPT-Live 1 + GPT-6 Sol fully resolved 36.2% of calls and GPT Realtime 2.1 Mini 13.8%. A call counts only when every step the caller needed was done.

  • Yes. GPT-Live 1 + GPT-6 Sol starts replying 0.13s sooner at the median. GPT-Live 1 + GPT-6 Sol takes 2.27s at the median and 2.72s at p90; GPT Realtime 2.1 Mini takes 2.40s and 2.88s. Both are measured on the call audio, from the caller finishing to the agent starting to reply.

  • GPT Realtime 2.1 Mini, by 4.3 points. The agent went quiet for 10 seconds or more on 13.3% of GPT-Live 1 + GPT-6 Sol calls and 9.0% of GPT Realtime 2.1 Mini calls.

  • GPT Realtime 2.1 Mini is $0.035 cheaper a minute. GPT-Live 1 + GPT-6 Sol costs $0.055 a minute of call and GPT Realtime 2.1 Mini $0.020, 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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