Claude Fable 5
anthropic/claude-fable-5
anthropic
Anthropic's most capable model — Mythos-class tier above Opus, for the most demanding reasoning and long-horizon agentic work. 1M context, 128K output, always-on thinking
Code Examples
from blockrun_llm import LLMClient
client = LLMClient() # Uses BLOCKRUN_WALLET_KEY (never sent to server)
response = client.chat("anthropic/claude-fable-5", "Hello!")Pricing
Input$10.00 / 1M tokens
Output$50.00 / 1M tokens
Context1M tokens
Max Output128K tokens
5% markup on official anthropic API prices.
Payment
Network
Base
Currency
USDC
Protocol
x402
Pay per request with USDC on Base. No subscription required.
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