Claude Code
Claude Fable 5 1 on AtmoRouter — $5.00 per million input tokens, $25.00 per million output tokens on a — context, through one OpenAI-compatible key.
Input · per Mtok
$5.00
$10.00 official
Output · per Mtok
$25.00
$50.00 official
Off official
50.0%
vs provider list rate
Context
—
up to 128K output
Model id
cc/claude-fable-5-1
Use this exact id in API calls.
Modality
text,image
Prompt caching supported — cached input $0.5000/Mtok.
Protocols
OpenAI Chat Completions
Anthropic Messages endpoint also available for every model.
curl
curl https://atmorouter.dev/v1/chat/completions \
-H "Authorization: Bearer ar-xxxxxxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"model": "cc/claude-fable-5-1",
"messages": [{"role": "user", "content": "Say hello in one word."}]
}'Python (OpenAI SDK)
from openai import OpenAI
client = OpenAI(
base_url="https://atmorouter.dev/v1",
api_key="ar-xxxxxxxxxxxx",
)
resp = client.chat.completions.create(
model="cc/claude-fable-5-1",
messages=[{"role": "user", "content": "Say hello in one word."}],
)
print(resp.choices[0].message.content)Works with anything OpenAI-compatible — Cursor, Cline, LangChain and more. See the cookbook configs at github.com/Micolaabdi/atmorouter-cookbook and the docs for the Anthropic Messages endpoint.
How much does Claude Fable 5 1 cost per million tokens?
AtmoRouter bills $5.00 per million input tokens and $25.00 per million output tokens. The provider's official list rate is $10.00 / $50.00 — AtmoRouter is 50.0% below it.
Does Claude Fable 5 1 support streaming?
Yes — server-sent events on the OpenAI-compatible endpoint, and the Anthropic Messages endpoint streams natively.
Is there a subscription or minimum spend?
No. Billing is pay-as-you-go per million tokens, metered from the upstream usage report — never estimated.
Create an account, grab a key, and make your first call in minutes.