anthropic/claude-fable-5
Anthropic's most capable generally available model. A Mythos-class model built for autonomous coding, knowledge work, and long-horizon agents, with a 1M-token context window and native prompt caching. State-of-the-art on software engineering and long-context tasks. Pick it when you need the absolute top of the line.
Source: official_x0.5 · Verified 2026-06-10
Cache read $0.500/M · Cache write $6.25/M
Use either ID to call this model via the API.
anthropic/claude-fable-5Replace the ONEHOP_KEY placeholder with your API key. Create one →
from anthropic import Anthropic
client = Anthropic(
base_url="https://api.onehop.ai/anthropic",
api_key="<ONEHOP_KEY>",
)
message = client.messages.create(
model="anthropic/claude-fable-5",
max_tokens=1024,
messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(message.content[0].text)7 requests · last 30 days