#07 / 9

CHEAP-OPENAI

Measured 2026-07-03

deepgram:nova-3->openai:gpt-5-nano->cartesia:sonic-3.5

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CHEAP-OPENAI is measured here for comparison — it is not one of the models Speko routes.

Grounded

67%

Turns

10.0

$/call

$0.145

$/solve

$0.218

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https://speko.ai/benchmarks/stacks/cheap-openai