xAI: Grok 4.5 by xAI — Pricing, Benchmarks & Real Outputs
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Compare xAI: Grok 4.5
Alternatives to xAI: Grok 4.5
xAI: Grok 4.5 is good. These would like a word anyway.
xAI: Grok 4.5 is good. These would like a word anyway.
xAI: Grok 4.5 is good. These would like a word anyway.
Grok 4.5 is xAI's smartest model, delivering frontier performance on coding, knowledge work, and STEM. It ships with a 500k-token context window and multimodal text and image inputs, with reasoning enabled via the API.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"x-ai/grok-4.5" model=,
"role""user""content""Hello!" messages=[{: , : }],
)
print(response.choices[0].message.content)Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
53 outputs from xAI: Grok 4.5
Grok 4.5 is xAI's smartest model, delivering frontier performance on coding, knowledge work, and STEM. It ships with a 500k-token context window and multimodal text and image inputs, with reasoning enabled via the API.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"x-ai/grok-4.5" model=,
"role""user""content""Hello!" messages=[{: , : }],
)
print(response.choices[0].message.content)Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
53 outputs from xAI: Grok 4.5