Grok 4.20 Non-Reasoning (Batch)

spacexai/grok-4.20-non-reasoning-batch

A chat model with a 2M-token context window, at $1.05 per million input tokens and $2.10 per million output tokens.

Details

Maker
spacexai
Kind
Chat
Context window
2,000,000 tokens
Max output
2,000,000 tokens
Input
$1.05 per million tokens
Cached input
$0.168 per million tokens, 84% off
Cache write
Same as input
Output
$2.10 per million tokens
Capabilities
Tool use, vision, file input
Takes
Text, image, pdf
Returns
Text
Zero data retention
Not on every provider
No training on requests
Yes, on every provider
Released
2026-03-10

Description

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.

Call it

curl
curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "spacexai/grok-4.20-non-reasoning-batch",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.