Grok 4.20 API: Pricing and Specs

Grok 4.20 API

Grok 4.20 is a large language model by xAI, available on the Venice API as grok-4-20. It runs privately, with zero data retention.Grok 4.20 is xAI’s multimodal reasoning model with strong tool use, structured output support, and a 2M-token context window.

Grok 4.20 API pricing

Model ID	Variant	Privacy	Price
`grok-4-20`	Standard	Private	$1.42 / $2.83 per 1M

Grok 4.20 specifications

Spec	Value
Provider	xAI
Released	Mar 12, 2026
Privacy	Private
Status	Stable
Context window	2M tokens
Max output	128K tokens
Reasoning effort	Not adjustable

How to use the Grok 4.20 API

Send requests to POST https://api.venice.ai/api/v1/chat/completions with "model": "grok-4-20" and your API key.

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4-20",
    "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }]
  }'

Related models

Grok 4.7 API: $2.27 / $6.80 per 1M
Grok 4.6 API: $2.27 / $6.80 per 1M
Grok 4.5 API: $2.27 / $6.80 per 1M
Grok 4.3 API: $1.42 / $2.83 per 1M
GPT-5.4 Mini API: $0.75 / $4.50 per 1M
GLM 5 Turbo API: $1.20 / $4.00 per 1M
Qwen 3.5 397B API: $0.75 / $4.50 per 1M
GLM 5 API: $1.00 / $3.20 per 1M

Explore

By modality

Grok 4.20 API

Grok 4.20 API pricing

Grok 4.20 specifications

How to use the Grok 4.20 API

Related models