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Morning Edition · Friday, August 14, 2026Published at 2:27 AM EDT · New York
OpenAI Previews a Cerebras-Powered Tier Running GPT-5.6 Sol at 750 Tokens per Second
The Ultrafast service tier claims up to 14 times the throughput of standard serving on the same model, drawing on a supply agreement Cerebras values at more than $20 billion.
OpenAI opened a limited preview of Ultrafast, an application programming interface (API) service tier that runs GPT-5.6 Sol at up to 750 output tokens per second, which the company puts at up to 14 times the throughput of the same model on…
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Part of a tracked trend
The Inference-Cost Efficiency Race
Techniques that cut tokens generated and KV-cache memory per query will keep compressing the marginal cost of serving reasoning models, making inference efficiency a recurring competitive axis alongside raw capability.
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