xAI: Grok 4.20
Chatx-ai/grok-4.20Grok 4.20 is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truthful responses.
2M context window
128K max output tokens
Released: 2026-03-31
Supported Protocols:openai
Available Providers:Azure
Capabilities:VisionFunction CallingWeb Search
Pricing
| Type | Price |
|---|---|
| Input Tokens | $4/M |
| Output Tokens | $12/M |
| Cache Read | $0.4/M |
Code Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.ai/v1",api_key="YOUR_OFOX_API_KEY",)response = client.chat.completions.create(model="x-ai/grok-4.20",messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)
Related Models
Frequently Asked Questions
xAI: Grok 4.20 on Ofox.ai costs $4/M per million input tokens and $12/M per million output tokens. Pay-as-you-go, no monthly fees.
xAI: Grok 4.20 supports a context window of 2M tokens with max output of 128K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.ai/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.
xAI: Grok 4.20 supports the following capabilities: Vision, Function Calling, Web Search. Access all features through the Ofox.ai unified API.