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Grok 4.1 Fast
xAI's Grok 4.1 Fast non-reasoning model. Built for high-throughput workloads with 2M token context.
Web Search
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Specifications
| Provider | xAI |
| Category | Text |
| Context window | 2M tokens |
Pricing (Starter tier)
26.00 credits / 1M input tokens
65.00 credits / 1M output tokens
Higher tiers get volume discounts. See tiers
Quick Start
curl -N https://query.genx.sh/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"grok-4-fast","messages":[{"role":"user","content":"Search the web for the latest SpaceX launch"}],"tools":[{"type":"web_search"},{"type":"x_search"}],"stream":true}'