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cfo.ai makes astra / fable 5.1 its default model for all customers

A cfo.ai team member says the service runs astra / fable 5.1 for about one-third of what sol / opus used to cost, and reports improvements to cache efficiency.

Siqi ChenSC
2 Sources, 20d ago, first seen 20d ago

TLDR

On September 22, a cfo.ai team member announced cache-efficiency improvements and said astra / fable 5.1 was now the default model for all customers. They put the cost at about one-third of what sol / opus used to cost. The company describes its product, Ari, as an AI CFO for keeping financial models current, planning hiring and testing pricing decisions.

Combined views

13K

2 Sources, first seen 20d ago

45 likes4 comments10 saves4 reposts

Combined views

13K

2 Sources, first seen 20d ago

45 likes4 comments10 saves4 reposts
Featured Source
SCSiqi Chen@blader10:47 AM · Sep 21, 2026
819TECH

we built to be extremely token efficient by redesigning the spreadsheet for agents first we just pushed some optimizations over the weekend that takes our cache efficiency to 97% as of this morning, we can now serve fable 5.1 by default to all customers

cfo.aiMeet Ari, your personal CFO. | cfo.aiAri is an AI CFO that keeps your financial model current. Plan hiring, review results, and test pricing decisions against your numbers.

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2 Sources

Siqi Chen@bladerwe built https://cfo.ai to be extremely token efficient by redesigning the spreadsheet for agents first we just pushed some optimizations over the weekend that takes our cache efficiency to 97% as of this morning, we can now serve fable 5.1 by default to all customers20d
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    2 Sources

    Siqi Chen@bladerwe built https://cfo.ai to be extremely token efficient by redesigning the spreadsheet for agents first we just pushed some optimizations over the weekend that takes our cache efficiency to 97% as of this morning, we can now serve fable 5.1 by default to all customers20d
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