Grok 4.20 Reasoning

What is Grok 4.20 Reasoning in NextModel?

Grok 4.20 Reasoning is a X Ai model listed in the NextModel catalog for General chat via X Ai, API workloads workloads. Its listed price is $0.181 / 1M tokens input and $0.362 / 1M tokens output per 1M tokens, with a — token context window.

Best use cases

• General chat via X Ai
• API workloads

OpenAI-compatible code example

Keep the OpenAI SDK style, set base_url to NextModel, and use the catalog model ID x-ai--grok-4.20-reasoning.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.nextmodel.app/v1"
)

resp = client.chat.completions.create(
    model="x-ai/grok-4.20-reasoning",
    messages=[{"role": "user", "content": "Hello from NextModel"}]
)

print(resp.choices[0].message.content)

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