9to5Mac · Zac Hall ·

Anthropic says Fable 5.1 "will cost an estimated 25% less than Fable 5 for typical workloads" and up to ~45% less for "highly agentic work"

In June, Anthropic first released Fable 5, its Mythos-class AI model for Claude. Three months later, Anthropic is enhancing Claude …

In this story Anthropic Fable 5 Fable 5.1

Anthropic says Fable 5.1 "will cost an estimated 25% less than Fable 5 for typical workloads" and up to ~45% less for "highly agentic work"

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9to5Mac — Anthropic says Fable 5.1 "will cost an estimated 25% less than Fable 5 for typical workloads" and up to ~45% less for "highly agentic work" ↗

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Financial Times: Ramp data: Fable 5, launched in June, has plateaued at ~11% of spending on Anthropic tools, as companies shift to cheaper models; Opus 5 surpassed Fable 5

@claudedevs: Anthropic will "permanently" raise weekly Claude Code limits by 25% on Sept. 14 for most plans, which will work out a 17% reduction, given the current 50% boost

Ramp: Ramp's July AI index: Anthropic's market share hit 43.5%, widening its lead over OpenAI; Fable 5 is only 6% of tokens businesses bought, likely due to high cost

The Information: Analysis: since October, Anthropic has entered into agreements for at least 14.8 GW of compute capacity and may spend as much as $517B over the next decade

Bloomberg: Anthropic has agreed to pay Nscale $45B over six years to rent about 460MW of power at a West Virginia data center using Nvidia's Vera Rubin chips

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