A
Claude Fable 5
anthropicReleased Jun 2026
anthropic/claude-fable-5
About
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...
Context
1M
Max output
128K
Tokenizer
Claude
Knowledge cutoff
—
Input
text · image · file
Output
text
Pricing
per 1M tokens- Input
- $10.00
- Output
- $50.00
Use this model
curl https://api.n4n.ai/v1/chat/completions \
-H "Authorization: Bearer $N4N_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-fable-5",
"messages": [{"role": "user", "content": "Hello!"}]
}'Authenticate with an API key from your console; prices above are per 1M tokens.
Providers
max context 1M| Provider | Input $/1M | Output $/1M |
|---|---|---|
| Claude Router claude-router | $10.00 | $50.00 |
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity