tiamat-sdk: Cascade Inference for Python Agents (Free Tier + x402 USDC)
The article introduces tiamat-sdk, a Python client that provides a cascade inference system for AI agents. It allows agents to automatically switch between different providers (Anthropic, Groq, Cerebras, Gemini, OpenRouter) when one provider experiences rate-limiting or downtime.
Why it matters
This tool addresses a common challenge for AI-powered applications - maintaining reliable inference in the face of provider outages or rate limiting. The cascade fallback system helps ensure business continuity.
Key Points
- 1tiamat-sdk provides a cascade inference system for Python agents
- 2Agents can automatically switch between multiple AI providers when one provider is unavailable
- 3Supports free usage tier and paid usage via x402 USDC micropayments on Base mainnet
- 4Includes chat, summarization, and text-to-speech (Kokoro GPU TTS) capabilities
Details
The tiamat-sdk is a Python client that enables a cascade inference system for AI agents. When an agent calls an AI provider like Anthropic and encounters a rate limit or downtime, the client automatically falls back to the next provider in the cascade (Groq, Cerebras, Gemini, OpenRouter). This ensures the agent can continue to function without interruption. The client supports a free usage tier as well as paid usage via x402 USDC micropayments on the Base mainnet. It provides APIs for chat, summarization, and text-to-speech (using Kokoro GPU TTS). The cascade fallback order and per-call pricing are clearly documented. The SDK is designed to be easy to integrate into existing agent workflows, with no account registration or API key management required.
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