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Chat · Completions

OpenAI-compatible chat completions for hundreds of open and closed models (DeepSeek, Kimi, GLM, Qwen, Llama, Claude, GPT, Gemini) through one endpoint, each call routed to the cheapest healthy provider for that model. Pay per call in USDC on Base with no API key or account: the 402 quotes this prompt plus max_tokens (up to 4,096). Streaming and tool calls supported. Model ids and prices: https://app.opencheap.si/api/v1/models

POST https://api.opencheap.si/v1/chat/completions

0.001 USDC on Base · payTo 0xa123E634f9555bf67d028C7e242A942D50dc8f25

Status: unverified (probe-pending)

Settlement: direct to the seller's payTo — 0% HIVE402 take

Payment routes