Claude’s new models are more resource-intensive, burning through credit quotas at a higher rate: For the same $200 spend, the Opus model uses up $15,000 worth of credits, while Fable only consumes $3,000.

Beating AI Express (Dongcha) – Renowned developer and T3 Code founder Theo has discovered that while Anthropic’s newly launched Fable 5.2 is more capable, the equivalent API usage available to subscribers is far lower. Theo has long tracked actual request data for Claude Code. According to his estimates, for the same $200 monthly Claude Ultra subscription, using Opus 5.5 yields around $15,000 in equivalent monthly API usage, while switching to Fable 5.2 only delivers about $3,000 — a difference of nearly fivefold. Anthropic also stipulates that Ultra users can allocate a maximum of 50% of their total weekly quota to Fable. Even if the full quota is not exhausted, once the Fable limit is hit, users must either switch to another model or pay extra to continue using it. Theo further estimates based on real-world workload: using Opus 5.5 exclusively for a week allows roughly 1,200 interaction rounds and 230 task sessions. If users first use up their Fable quota before switching to Opus, total interaction rounds drop to around 900, though the number of completed task sessions may be slightly higher, as Fable can sometimes finish tasks in a single turn without repeated back-and-forth communication. Fable 5.2’s API unit price is 20% lower than its predecessor, at $8 per million input tokens and $40 per million output tokens — yet it remains twice as expensive as Opus 5.5. Anthropic has explicitly warned that Fable consumes subscription quotas faster than other Claude models. Currently, Anthropic is providing eligible subscribers with 1 to 3 Fable quota reset opportunities, with the number tied to subscription duration. Each reset refunds the Fable quota consumed that week, letting users resume usage without waiting until the next week.