Claude Fable 5

by 0G Foundation

Anthropic Claude Fable 5; text and image input, text output, with a 1M-token context window. Extended thinking and tool use supported.

anthropicTool CallingModalities

Context

1,000,000 tokens

Max Output

131K

131,072 tokens

Input

$10

per 1M tokens

Output

$50

$45

per 1M tokens

Provider

1 node

Input / 1M

$9 ·48.87000G/M

Output / 1M

$45 ·244.35000G/M

Cache Read / 1M

$0.9 ·4.88690G/M

5min Cache Write / 1M

$11.25 ·61.08750G/M

1hour Cache Write / 1M

$18 ·97.74000G/M

API

POSThttps://router-api.0g.ai/v1/messages

curl "https://router-api.0g.ai/v1/messages" \
  -H "Content-Type: application/json" \
  -H "x-api-key: <YOUR_API_KEY>" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "claude-fable-5",
    "max_tokens": 1024,
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Create API key

Additional Features

TEE Verification

Request on-chain signature verification with verify_tee. The response includes a tee_verified field in the trace.

{
  "model": "claude-fable-5",
  "max_tokens": 1024,
  "messages": [{"role": "user", "content": "Hello!"}],
  "verify_tee": true
}

Provider Routing

Control which provider handles your request using the X-0G-Provider-* request headers.

curl "https://router-api.0g.ai/v1/messages" \
  -H "x-api-key: <YOUR_API_KEY>" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -H "X-0G-Provider-Sort: latency" \
  -H "X-0G-Provider-Allow-Fallbacks: true" \
  -d '{
    "model": "claude-fable-5",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "Hello!"}]
  }'