Claude Fable 5 vs Claude Fable 5.1
anthropic/claude-fable-5 · anthropic/claude-fable-5.1
As of November 2, 2026, Claude Fable 5 and Claude Fable 5.1 cost about the same through UberLLM: $0.7249/$3.62 and $0.7250/$3.63 per million input/output tokens, the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee, so pick on capabilities and context rather than price.
Claude Fable 5 vs Claude Fable 5.1, side by side
| Spec | Claude Fable 5 | Claude Fable 5.1 |
|---|---|---|
| Price · input / 1M | $0.7249 | $0.7250 |
| Price · output / 1M | $3.62 | $3.63 |
| Context length | 1,000,000 | 1,000,000 |
| Max output tokens | 128,000 | 128,000 |
| Input modalities | text, image | text, image, file |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 92.8% off | 92.8% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 2, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Claude Fable 5 vs Claude Fable 5.1 — FAQ
Is Claude Fable 5 or Claude Fable 5.1 cheaper?
Claude Fable 5 is cheaper on a blended token mix. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Claude Fable 5 and Claude Fable 5.1?
Claude Fable 5: $0.7249 in / $3.62 out per 1M tokens. Claude Fable 5.1: $0.7250 in / $3.63 out per 1M tokens. Prices are live; UberLLM adds no fee.
Can I use both Claude Fable 5 and Claude Fable 5.1 with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.