MODELS / SPACEXAI

Grok 4.20 Non-Reasoning

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.

TEXTTOOL-USEIMPLICIT-CACHINGFILE-INPUTVISIONWEB-SEARCH
-
CONTEXT WINDOW
-
MAX OUTPUT TOKENS
$1.25
INPUT PRICE / 1M TOKENS
$2.50
OUTPUT PRICE / 1M TOKENS
QUICKSTART

Call it in one request.

OpenAI-compatible: change the base URL, and the setup is complete.

curl https://enterprise.blackbox.ai/v1/chat/completions \
  -H "Authorization: Bearer $BLACKBOX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "blackboxai/spacexai/grok-4.20-non-reasoning",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything Grok 4.20 Non-Reasoning supports, in one table.

MODEL ID
blackboxai/spacexai/grok-4.20-non-reasoning
DEVELOPED BY
Spacexai
MODEL TYPE
Text
RELEASED
Mar 10, 2026
CONTEXT WINDOW
-
MAX OUTPUT TOKENS
-
INPUT MODALITIES
text, image, pdf
OUTPUT MODALITIES
text
INPUT PRICE
$1.25 / 1M tokens
OUTPUT PRICE
$2.50 / 1M tokens
INPUT PRICE (>200K)
$2.50 / 1M tokens
CACHE READ
$0.2 / 1M tokens
REASONING
Not supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Not available (closed-weight model)
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choice