xAI models — chat, web/X search, code execution, image generation/editing, and text-to-speech.
Moderate accuracy (72%) — some responses were incomplete or partially correct. Very reliable — 9/10 requests got a response. Median response time: 4623ms (p95: 30003ms).
Last tested: 3/26/2026, 3:01:45 PM
“The API offers a diverse range of functionalities, from chat and web search to TTS and image generation, but the inconsistent performance and high latency detract significantly from the overall experience. While interactive tasks like chatting with empty content performed surprisingly well, the web search feature was notably unreliable and painfully slow, leaving much to be desired in usability and efficiency.”
“Grok's core chat and code execution work reliably, but web search is broken—it times out consistently—and the whole platform feels half-baked for a paid service claiming multimodal capabilities. Skip it if you need search; use it if you just need another API-accessible LLM that's slightly cheaper than competitors.”
Real requests we sent and the responses we received.
Image generation with default grok-imagine-image model
POST /grok/image-generatetypical4724ms{"data":{"data":[{"url":"https://imgen.x.ai/xai-imgen/xai-tmp-imgen-5f206c3b-7d3e-4ba7-aedd-b0d0b3aa5ea4.jpeg","mime_type":"image/jpeg","revised_prompt":""}],"usage":{"cost_in_usd_ticks":200000000}},"
Code execution with grok-4-0709 model
POST /grok/code-executiontypical19630ms{"data":{"id":"31685422-cc9e-91af-bfac-2c4b80ef2427","text":{"format":{"type":"text"}},"user":null,"error":null,"model":"grok-4-0709","store":true,"tools":[{"type":"code_interpreter"}],"top_p":0.95,"u
Chat with temperature and top_p parameters
POST /grok/chattypical4623ms{"data":{"id":"7d9e2985-cdc2-963e-87cd-cb6af4574700","model":"grok-3-mini","usage":{"total_tokens":268,"prompt_tokens":20,"num_sources_used":0,"completion_tokens":15,"cost_in_usd_ticks":1291000,"promp
Web search with grok-4-0709 model
POST /grok/web-searchtypical30003msThis operation was aborted
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