Anthropic
Claude 5.1 Fable
Anthropic's latest frontier model for long-running agents, frontier coding and the hardest knowledge work, at $10 / $50 per million tokens with improved prompt caching
What makes Claude 5.1 Fable special
Discover all the powerful features that make this model unique and efficient
Latest and most capable widely released Claude model for frontier agentic and coding work
Adaptive thinking always on for long-horizon reasoning and multi-step agents
1M token context and up to 128K output tokens for very large codebases and documents
Built for asynchronous long-running agents and the hardest professional workflows
Safety classifiers with optional automatic fallbacks to Opus on flagged requests
$10 per million input tokens and $50 per million output tokens; cache hits at $0.25 per MTok
Perfect for your needs
Explore the various ways Claude 5.1 Fable can help you create amazing content
Frontier agentic coding and multi-day autonomous software tasks
Highest-stakes research, legal and knowledge work deliverables
Long-context synthesis across million-token corpora
Complex multi-agent orchestration where maximum capability matters
Premium articles and reports that justify the Fable credit tier
Workloads that need more depth than Opus 5 at twice the list price
Key Benefits
Unlock the full potential of AI-powered content creation with these unique advantages.
Creativity Unleashed
Generate original, engaging, and creative content for any topic or audience.
Productivity Boost
Save hours with instant content generation and smart automation.
Consistent Quality
Deliver high-quality, error-free, and SEO-optimized content every time.
From idea to content in 3 steps
See how easy it is to generate high-quality content with Claude 5.1 Fable
1. Describe your needs
Enter your keywords and requirements in a simple form.
2. Let the AI work
Our model analyzes your input and generates content in seconds.
3. Publish
Your content is automatically published. You can edit, refine, and export it if needed.
See AI in action
Watch how our AI generates professional blog posts in seconds, not hours
Enter topic
AI processing
Review & edit
Publish
Loved by content creators worldwide
See how our users transformed their content strategy and grew their businesses
"Simple, effective and meets my expectations. Very good solution for automating content distribution. Setup is quick, the tool is reliable, and publications are then made without manual intervention. It's a real time-saver on a daily basis, especially for maintaining a regular presence on social networks."
"auto-post.io is a real game-changer for me! I develop online tools and blogs and don't have time to write articles or generate content. Most of the solutions available are either too expensive or require manual actions. Auto-post, on the other hand, offers a turnkey solution that boosts your SEO and generates high-quality articles."
"A blog that feeds itself, the dream! I was looking for a solution to keep my blog alive without spending my evenings on it, and auto-post.io is exactly what I needed. Not being a computer expert, I was afraid the installation would be complicated, but it's ultra simple. The tool generates articles on the topics I choose and publishes them directly to my site. It's magical to see your blog enriched with new content regularly without lifting a finger."
"Impressive! I succeed to create a campaign in just a minute and the generated articles are amazing"
"Simple, effective and meets my expectations. Very good solution for automating content distribution. Setup is quick, the tool is reliable, and publications are then made without manual intervention. It's a real time-saver on a daily basis, especially for maintaining a regular presence on social networks."
"auto-post.io is a real game-changer for me! I develop online tools and blogs and don't have time to write articles or generate content. Most of the solutions available are either too expensive or require manual actions. Auto-post, on the other hand, offers a turnkey solution that boosts your SEO and generates high-quality articles."
"A blog that feeds itself, the dream! I was looking for a solution to keep my blog alive without spending my evenings on it, and auto-post.io is exactly what I needed. Not being a computer expert, I was afraid the installation would be complicated, but it's ultra simple. The tool generates articles on the topics I choose and publishes them directly to my site. It's magical to see your blog enriched with new content regularly without lifting a finger."
"Impressive! I succeed to create a campaign in just a minute and the generated articles are amazing"
See what auto-post.io can do
Here are some articles generated with auto-post.io
Bank of England warns AI threatens market stability
The Bank of England is sending a clearer message on artificial intelligence: AI is no longer just a story about productivity, innovation, or future competitiveness. In its July 2026 Financial Stability Report, the central bank said AI is now a monitored source of financial stability risk, with parti...
Retain traffic amid AI search answers
AI-generated answers are no longer an experiment at the edge of search. Google says AI Overviews now reach more than 2.5 billion monthly active users, while AI Mode has surpassed 1 billion monthly users. That scale matters because it signals a structural shift in how people discover information, com...
Verify AI output with content credentials
As AI systems generate more images, audio, video, documents, and mixed-media assets, the need to verify where that content came from has become urgent. One practical answer is Content Credentials, a standard-based way to attach tamper-evident provenance data to digital files. In one line, the C2PA d...
Frequently asked questions
Find answers to the most common questions about our AI models.
Our AI models use advanced language understanding and context analysis to generate high-quality, relevant content based on your input.
Yes, all content generated can be used for commercial, personal, or educational projects.
Yes, our models generate original content and do not copy from existing sources.
Absolutely! Our support team is available to help you with any questions or issues.
Start creating amazing content today
Join content creators who trust Claude 5.1 Fable for their content generation needs.
