Anthropic: Claude Fable 5
Analysis Summary
Anthropic Claude Fable 5 is a flagship model with frontier reasoning and coding performance, supported by strong agentic results and a one-million-token context window. Vision, file input, tool use, and function calling allow it to handle long contracts, large codebases, research packs, and multimodal briefs without splitting work across several systems. Instruction-following performance is less dominant than its reasoning and coding results, so exact editorial constraints still deserve review.
For businesses, it is a strong fit for autonomous coding agents, complex document analysis, high-stakes research, and customer-facing content where errors are costly. The listed input and output prices are premium, making it unsuitable for routine bulk traffic. Design for Online would lead with Fable 5 when accuracy, depth, and context capacity justify the cost, while routing repetitive tasks to a cheaper model.
Assessed August 9, 2026
Editorial notes
Claude Fable 5 is a frontier model for reasoning, coding, and agents, with a one-million-token context, vision, file handling, and dependable tool interfaces; premium pricing suits high-stakes work.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Claude Fable 5 is a frontier model for reasoning, coding, and agents, with a one-million-token context, vision, file handling, and dependable tool interfaces; premium pricing suits high-stakes work.
Benchmark scores
Magenta = intelligence · Ink = technical/agentic · Cyan = content & long-context · Grey = community benchmarks. Data: Artificial Analysis, Hugging Face.
62.1 Intelligence Index·76.5 Coding Index·56.6 Agentic Index
How Anthropic: Claude Fable 5 compares
Anthropic: Claude Fable 5 ranks #3 of 425 AI models we track for overall intelligence, #6 of 198 for coding, #12 of 180 for agentic tasks. Its 1M-token context window is larger than 86% of the models we list. At $10.00 per million input tokens it is cheaper than 4% 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 business fit. The pulled-in value 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 | $10.00 | $0.010000 |
| Output | $50.00 | $0.050000 |
What would Anthropic: Claude Fable 5 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 704 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Anthropic: Claude Fable 5 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Anthropic: Claude Fable 5
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and..
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Frequently asked questions about Anthropic: Claude Fable 5
How much does Anthropic: Claude Fable 5 cost?
Anthropic: Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens.
What is the context window of Anthropic: Claude Fable 5?
Anthropic: Claude Fable 5 has a context window of 1,000,000 tokens (1M).
Is Anthropic: Claude Fable 5 good for coding?
On our coding benchmark index, Anthropic: Claude Fable 5 ranks #6 of 198 models, placing it in the top quartile of the field for code generation and debugging.
What can Anthropic: Claude Fable 5 do?
Anthropic: Claude Fable 5 supports image/vision input, tool use, and function calling.
Who created Anthropic: Claude Fable 5?
Anthropic: Claude Fable 5 is developed by Anthropic and was released on June 9, 2026.