Grok 4
xAI's Grok 4 model. Direct, candid responses with strong reasoning and real-time knowledge.
Model highlights
- Direct responses
- Strong reasoning
- Real-time knowledge
- Code generation
- Creative writing
- Modalities
- IntextOuttext
- Input / output
- $1.25 / $2.50USD per 1M tokens
- Context
- 256K
- Providers
- Live
Playground
Preparing playground
API
POST/api/v1/chat/completionsOpenAI-compatible
grok-4
curl https://www.ninjachat.ai/api/v1/chat/completions \
-H "Authorization: Bearer $NINJACHAT_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4",
"messages": [{ "role": "user", "content": "Hello!" }],
"stream": true
}'messagestemperaturemax_completion_tokenstop_pstopfrequency_penaltypresence_penaltyseedstreamuserroutingresponse_formatreasoningreasoning_effort
Pricing
- Input
- $1.25/M tokens
- Cached input
- $0.125/M tokens
- Output
- $2.50/M tokens
Published USD rates. Actual cost depends on input, output, cache usage and request options.
