Anthropic: Claude Fable 5.1 (batch)
Analysis Summary
Anthropic: Claude Fable 5.1 (batch) comes from Anthropic. Released in September 2026, it is one of the newest models we cover. We place it in the Emerging tier, where it sits at #614 of 743 models overall.
Its 1M-token context window is larger than 84% of the models we list, suiting long documents, large codebases, and retrieval-heavy workloads. Crucially for business adoption, Anthropic: Claude Fable 5.1 (batch) combines tool use, function calling, vision input, and step-by-step reasoning in a single model, letting teams consolidate several use cases instead of stitching together multiple services.
At $5.00 input and $25.00 output per 1M tokens, Anthropic: Claude Fable 5.1 (batch) is among the most expensive options we list, so it is best reserved for high-value work where answer quality matters more than per-token cost. Anthropic: Claude Fable 5.1 (batch) is worth evaluating where Anthropic’s ecosystem and the model’s specific capabilities fit your workflow.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Anthropic: Claude Fable 5.1 (batch) currently sits at #614 of 743 models on our board. We class it as a emerging-tier model. In our testing it is strongest at value for money.
How Anthropic: Claude Fable 5.1 (batch) compares
Its 1M-token context window is larger than 84% of the models we list. At $5.00 per million input tokens it is cheaper than 7% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in content corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $25.00 | $0.025000 |
What would Anthropic: Claude Fable 5.1 (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 748 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude Fable 5.1 (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude Fable 5.1 (batch)
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual..
Frequently asked questions about Anthropic: Claude Fable 5.1 (batch)
How much does Anthropic: Claude Fable 5.1 (batch) cost?
Anthropic: Claude Fable 5.1 (batch) costs $5.00 per million input tokens and $25.00 per million output tokens.
What is the context window of Anthropic: Claude Fable 5.1 (batch)?
Anthropic: Claude Fable 5.1 (batch) has a context window of 1,000,000 tokens (1M).
What can Anthropic: Claude Fable 5.1 (batch) do?
Anthropic: Claude Fable 5.1 (batch) supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude Fable 5.1 (batch)?
Anthropic: Claude Fable 5.1 (batch) is developed by Anthropic and was released on September 1, 2026.