import requests
r = requests.post(
"https://api.aimlapi.com/v1/chat/completions",
headers={"Authorization": "Bearer " + AIMLAPI_KEY},
json={
"model": "x-ai/grok-4-5",
"messages": [
{
"role": "user",
"content": "Hello!"
}
]
},
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "x-ai/grok-4-5",
"messages": [
{
"role": "user",
"content": "Hello!"
}
]
}),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"x-ai/grok-4-5","messages":[{"role":"user","content":"Hello!"}]}'
OpenAI-compatible — swap the base URL and it works with your existing SDK.
| Type | Price |
|---|---|
| Input | |
| Output | |
| Cached input |
Prompt caching drops cached input to $0.65 / 1M tokens. Free credits on signup.
| Benchmark | Score | What it measures | Source | Retrieved |
|---|---|---|---|---|
| Terminal-Bench | 83.3% | Autonomous shell/terminal task completion | Source | July 12, 2026 |
| Intelligence | 39.1 | Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial Analysis | Source | September 12, 2026 |
| Coding | 72.4 | Composite score across standardised coding evaluations, measured independently by Artificial Analysis | Source | September 12, 2026 |
| Model | Input | Output | Context | Best for |
|---|---|---|---|---|
Grok 4.5 This page | Reasoning + agents with long context |
Grok 4.5 has a 500,000 tokens context window.
Grok 4.5 takes text, file in as input and returns text out.
Use x-ai/grok-4-5 as the model id.
Grok 4.5 became available on July 8, 2026.
Grok 4.5 is priced at input $2.6 / 1M tokens, output $7.8 / 1M tokens, cached input $0.39 / 1M tokens.
Yes, Grok 4.5 can stream responses as they are generated.
Grok 4.5 was built by xAI .
