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Topfi • today at 8:59 AM • 1 reply • view on HN

That has never been made available even to limited customers as far as reporting goes. Currently available ultrafast on GPT-6 Astra and GPT-6.1 Sol are all using Nvidia for good reason [0].

The fact that Cerebras, which has a willing and major customer like OpenAI begging at their heels to deploy on their hardware, now posts about a 2.8T open weight model says a lot.

[0] https://blogs.nvidia.com/blog/gpus-openai-gpt-6-astra-ultraf...


Replies

chrismustcode • today at 9:38 AM

You can get 6.1 sol on ultrafast.

For some reason though on openrouter the tps of 6.1 sol ultrafast is usually lower than opus 5.5 fast. Is there readings off as surely cerebras hardware is faster than low user density nvidia still?

https://openrouter.ai/openai/gpt-6.1-sol

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