Grok 4.5

tools vision

grok-4.5Most advanced model from XAI

50% off with a usage package. Every request on this model costs 50% of the price while your package has credit — from $10.

Input / 1M tokens

$0.000002 / token

Output / 1M tokens

$0.000006 / token

Cached input / 1M

$0.3

Uptime · 24h

83.33%

6 requests

Details

Type: Chat
Input: text, image
Output: text
Context: 500,000 tokens

Supported parameters

max_tokenstemperaturetop_pstopseedpresence_penaltyfrequency_penaltyresponse_formatpluginstoolstool_choiceparallel_tool_calls

Last 24 hours

Requests per hour; red = provider errors.

Avg latency: 2.4s
Avg first token: 1.4s
Throughput: 59.6 tok/s

Use it

curl https://api.ultragpt.pro/v1/chat/completions \
  -H "Authorization: Bearer $ULTRAGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.5",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Anthropic SDK / Claude Code

curl https://api.ultragpt.pro/v1/messages \
  -H "x-api-key: $ULTRAGPT_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.5",
    "max_tokens": 1024,
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'