Grok 4.7 Fast
meldport/grok-4.7-build-fastGrok 4.7 Fast is available through Meldport as grok-4.7-build-fast. Published capabilities: Text, Cache, Stream, Tools.
MODEL OVERVIEW
About xAI Grok 4.7 Fast
Grok 4.7 Fast is available through Meldport as grok-4.7-build-fast. Published capabilities: Text, Cache, Stream, Tools.
Use the published model ID in requests to Meldport's API. Check the current pricing, context window, and supported capabilities on this page before sending production traffic. See the quickstart for a request example.
GOOD FIT FOR
- Text generation, extraction, and automation
- Tool calling and agent workflows
BEFORE YOU SHIP
- Check capabilities, context limit, and price against your workload.
- Test tool call parsing and error handling before production.
TECHNICAL SPECIFICATIONS
What this model supports
| Model ID | meldport/grok-4.7-build-fast |
|---|---|
| Publisher | xAI |
| Capabilities | Text, Cache, Tools |
| Context window | 500K |
| Lifecycle | active |
| Verified | Nov 1, 2026 |
CURRENT RATES
Pricing
| Metric | Rate | Unit |
|---|---|---|
| Input | $1.2 | per million tokens |
| Output | $3.6 | per million tokens |
| Provider-reported cached input | $0.12 | per million tokens |
| Minimum charge | $0.00001 | per request |
Provider-reported cached input tokens use the displayed rate. Every request is recorded in the wallet ledger.
QUICKSTART
Call this model
The same endpoint works from any language.
Send POST /v1/chat/completions with an API key that has inference:invoke. Use meldport/grok-4.7-build-fast in the model field. Supply your conversation in messages and set stream: true for streamed output. The published context limit is 500K tokens.
This model publishes tool calling. Send function definitions in tools and return tool results in the conversation. Request fields and output limits · Streaming format · Errors and retry rules
curl https://api.meldport.com/v1/chat/completions \
-H "Authorization: Bearer $MELDPORT_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "meldport/grok-4.7-build-fast",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
import requests
response = requests.post(
"https://api.meldport.com/v1/chat/completions",
headers={
"Authorization": f"Bearer {os.environ['MELDPORT_API_KEY']}",
},
json={
"model": "meldport/grok-4.7-build-fast",
"messages": [{"role": "user", "content": "Hello"}],
},
)
print(response.json())const response = await fetch(
"https://api.meldport.com/v1/chat/completions",
{
method: "POST",
headers: {
Authorization: "Bearer " + process.env.MELDPORT_API_KEY,
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "meldport/grok-4.7-build-fast",
messages: [{ role: "user", content: "Hello" }],
}),
},
);
console.log(await response.json());COMMON QUESTIONS
Frequently asked questions
What is the API model ID for Grok 4.7 Fast?
Use meldport/grok-4.7-build-fast in the model field of your API request.
Which capabilities does Grok 4.7 Fast support?
This model currently publishes Text, Cache, Tools support through Meldport.
How is Grok 4.7 Fast priced?
Requests are billed per token. Input costs $1.2 per million tokens and output costs $3.6 per million tokens. Provider-reported cached input tokens cost $0.12 per million tokens; Meldport response caching is bypassed. A minimum charge of $0.00001 applies per request. Charges are deducted from your wallet balance in real time.
Which endpoint runs Grok 4.7 Fast?
Send a request to POST https://api.meldport.com/v1/chat/completions with your Meldport API key and use meldport/grok-4.7-build-fast in the model field.
What context window does Grok 4.7 Fast support?
The published context limit is 500K tokens.