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Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
At a glance
- Context window
- 500Ktokens
- Max output
- 450Ktokens
- Knowledge to
- —
- Released
- 2026
Capabilities
CapabilitiesReasoningVisionToolsStructured output
InputTextImageFile
OutputText
ReasoningSupportedhighmediumlow
Benchmarks
- Intelligence index
- 39
- Coding index
- 72
- Agentic index
- 42
Design Arena
| Category | Elo | Win rate |
|---|---|---|
| models · website | 1,296 | 53.2 |
| models · uicomponent | 1,294 | 52.1 |
| models · codecategories | 1,293 | 51.3 |
| models · 3d | 1,288 | 50.6 |
| models · gamedev | 1,288 | 49.3 |
| models · dataviz | 1,286 | 49.8 |
| models · asciiart | 1,269 | 54.4 |
| models · svg | 1,248 | 49.3 |
Source: Artificial Analysis, Design Arena · as of Sep 16, 2026
Performance
Reference uptime
98.9%
Aug 18Sep 16
Median latency
1,276 ms
Aug 18Sep 16
Throughput
52.8 tok/s
Aug 18Sep 16
IranRouter uptime comes from our own automated probes; the reference figures are daily measurements of this model's upstream routes. Each card shows a 30-day average, and a day without data stays empty.
Popularity
- Current rank
- —
- Rank change, 7 days
- —
Daily tokens · 90 days
53.1B
Jun 18Sep 15
Ranked by daily token volume across the global model market; the figure above the chart is the daily average.
Supported parameters
include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Parameters this model accepts; anything else is ignored.
Quick start
from openai import OpenAI
client = OpenAI(
api_key="ir-...",
base_url="https://iranrouter.com/v1",
)
resp = client.chat.completions.create(
model="x-ai/grok-4.5",
messages=[{"role": "user", "content": "سلام!"}],
)
print(resp.choices[0].message.content)Only base_url and the key change; the rest of your code stays as it is.