Posts quote a Financial Times article stating that spending on Anthropic's Fable 5 has plateaued at about 11 per cent of overall corporate outlay on the company's tools more than two months after release. One post notes the model accounts for 6 per cent of purchased tokens. Several tweets link the low share to high cost relative to Claude Opus 5 and to cheaper open-source alternatives that users find sufficient for most tasks. Gary Marcus posted that interest in the premium product is declining even as the firm holds a high valuation target. Other replies discuss shifting workloads or banning certain models for IP reasons.