LiteLLM
AI gateways & routersOpen-source proxy/SDK for 100+ LLMs including xAI.
✓ xAI API documented
AI gateways & routers
OpenRouter
Unified API with all Grok models.
✓ xAI API support documentedModels: grok-4.x, grok-code-fast-1
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Portkey
AI gateways & routersAI gateway with xAI provider routing and observability.
✓ xAI API documented
Cloudflare AI Gateway
AI gateways & routersCaching, logging and rate limits; native Grok provider.
✓ xAI API documented
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