by Grok
Grok 4.2 is xAI’s latest large language model, built for strong reasoning, multimodal understanding, and enterprise use. It improves instruction following, honesty, and calibration over earlier Grok versions, while supporting both single‑agent and multi‑agent workflows. Designed as a general‑purpose, truth‑seeking assistant, Grok 4.2 is well suited for research, analysis, coding, and complex professional tasks when deployed with appropriate guardrails.
Grok 4.2 is xAI’s latest large language model, built for strong reasoning, multimodal understanding, and enterprise use. It improves instruction following, honesty, and calibration over earlier Grok versions, while supporting both single‑agent and multi‑agent workflows. Designed as a general‑purpose, truth‑seeking assistant, Grok 4.2 is well suited for research, analysis, coding, and complex professional tasks when deployed with appropriate guardrails.
grok-4-20-reasoning has a 2,000,000 token context window.
On AIHubMix, grok-4-20-reasoning costs $2 per million input tokens and $6 per million output tokens. Cached input reads are billed at $0.2 per million tokens.
grok-4-20-reasoning accepts text and image input.
grok-4-20-reasoning supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
grok-4-20-reasoning is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to grok-4-20-reasoning — no other code changes needed.
grok-4-20-reasoning is developed by Grok. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
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Use grok-4-20-reasoning via the AIHubMix unified API — one interface for every major LLM.