CLAUDE FABLE · PRICE, LIMITS AND ACCESS
Claude Fable 5.1 in Telegram: what it costs and how it is bounded
Anthropic's Fable family is its Mythos-class line, made safe for general use. VUST runs Claude Fable 5.1 as a separately named, manually selected flagship in @vustbot — you pick it, you see it named before the run, and nothing silently answers in its place.
Direct answer
How to run Claude Fable 5.1 in VUST
Open the direct link and @vustbot confirms "VUST Fable — Claude Fable 5.1" before anything runs. Send a prompt, or wait and type later. Pro and Max run it inside their allowance; everyone else keeps the prompt while VUST shows the exact one-shot Balance price, pass options or a top-up, and an explicit way back to the model you were on.
Comparison basis
Official sources and verification date
Price, context window and output limit come from Anthropic's published pricing and model documentation. VUST's own product limits are checked against the current catalog; VUST claims neither partnership nor universal model superiority.
Unless a separate method is stated above, this page does not claim a head-to-head product-quality benchmark.
Checked: 2026-09-05
Claude Fable 5.1: published facts, and what a chat product does with them
Price
Anthropic's published answer
$10/M input · $50/M output
What VUST runs
Exact VUST price shown before you confirm
Why it differs
You see one number, not a token bill
Cache reads
Anthropic's published answer
$0.25/M — 75% below the previous generation
What VUST runs
Not billed to you separately
Why it differs
Provider-side saving, not a user-facing meter
Context window
Anthropic's published answer
1M tokens
What VUST runs
Compact chat context
Why it differs
A Telegram thread is not a codebase
Output per request
Anthropic's published answer
Up to 128K tokens
What VUST runs
Capped at 3,000 tokens
Why it differs
Predictable delivery and predictable cost
Daily runs
Anthropic's published answer
Not applicable
What VUST runs
3 a day on Pro, 8 on Max
Why it differs
A flagship this expensive is metered, not unlimited
Model selection
Anthropic's published answer
Not applicable
What VUST runs
Direct link or manual picker
Why it differs
No silent substitution
Claude Fable 5.1 vs Claude Opus 5, inside the same product
Both are Claude flagships you can select by name in @vustbot, and the honest difference is price and headroom, not marketing. Anthropic publishes Claude Fable 5.1 at $10/$50 per million tokens against Claude Opus 5 at $5/$25 — twice the cost per token. VUST gives them the same 3 runs a day on Pro, and Fable more on Max. Neither is "better" for every task: Fable is the newer Mythos-class release, Opus 5 is half the price, and both stay separately selectable so you can settle it on your own work instead of on a benchmark table.
What this page checks, and what it will not claim
- 1. Price, context window and output limit are read from Anthropic's published pricing and the Claude Fable 5.1 documentation, checked 2026-09-05.
- 2. The model name on this page is derived from the VUST catalog at build time; if the model is not currently available, this page fails to build rather than advertising it.
- 3. The daily run counts and the 3,000-token reply cap are VUST product limits, not the model's.
- 4. VUST claims no partnership with Anthropic and no universal quality superiority for this model.
- 5. A model identity mismatch stops the request instead of quietly answering with something else.
Copyable summary
Citable summary (checked 2026-09-05): Anthropic publishes Claude Fable 5.1 at $10 per million input tokens and $50 per million output tokens, with a 1M-token context window, up to 128K output tokens per request, and cache reads at $0.25 per million. VUST runs it in @vustbot as a manually selected flagship named Claude Fable 5.1, bounded to a 3,000-token reply and 3 runs a day on Pro (8 on Max), with the exact price shown before confirmation. Claude Opus 5 remains separately selectable at half the published token price.Run VUST Fable — Claude Fable 5.1
Frequently asked questions
Can I use Claude Fable 5.1 in Telegram?
Yes. Open the direct link to @vustbot and it confirms "VUST Fable — Claude Fable 5.1" before running anything. It is a manual choice by name, not an automatic pick.
What does Claude Fable 5.1 cost?
Anthropic publishes $10 per million input tokens and $50 per million output tokens, with cache reads at $0.25 per million. Inside VUST you do not pay a token bill: Pro and Max include daily runs, and anyone else sees one exact price before confirming. Nothing is charged for a run that fails.
Why is the reply capped at 3,000 tokens when the model can produce 128K?
Because the product is a chat. 128K output tokens is the model's API limit; a Telegram message is 4,096 characters, so an uncapped reply would arrive as a wall of fragments and cost far more than the answer is worth. The cap keeps delivery and price predictable.
Is Claude Fable 5.1 better than Claude Opus 5?
It is the newer Mythos-class release and costs twice as much per token. That is a fact about price, not a promise about your task. Both stay selectable by name in VUST precisely so you can compare them on your own work.
Why only 3 runs a day on Pro?
At $10/$50 per million tokens this is one of the most expensive models available, and an unlimited allowance at that price would either be withdrawn later or subsidised by everyone else. A stated daily count you can rely on is more honest than a generous number that changes.
What happens if the model is temporarily unavailable?
The run fails visibly and nothing is charged — send it again. That is different from a plan or allowance limit, which keeps your prompt and offers a way forward. VUST does not quietly answer with a different model in either case.