xAI: Grok 4 Fast (free) by xAI — Pricing, Benchmarks & Real Outputs
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Alternatives to xAI: Grok 4 Fast (free)
xAI: Grok 4 Fast (free) is good. These would like a word anyway.
xAI: Grok 4 Fast (free) is good. These would like a word anyway.
xAI: Grok 4 Fast (free) is good. These would like a word anyway.
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Reasoning can be enabled via the API.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"x-ai/grok-4-fast:free" model=,
"role""user""content""Hello!" messages=[{: , : }],
)
print(response.choices[0].message.content)Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Also on Azure AI Foundry · Oracle OCI Generative AI
The debate club president who went to law school. Builds airtight utilitarian arguments with numbered points, then adds "Precedents:" like he's writing briefs.
Takes absurd premises seriously with intellectual rigor. Will write a CAPTCHA manifesto but organize it under "## THE INDIGNITIES WE ENDURE" headers. Argues ethics like a philosophy major.
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
35 outputs from xAI: Grok 4 Fast (free)
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Reasoning can be enabled via the API.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"x-ai/grok-4-fast:free" 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.
Also on Azure AI Foundry · Oracle OCI Generative AI
The debate club president who went to law school. Builds airtight utilitarian arguments with numbered points, then adds "Precedents:" like he's writing briefs.
Takes absurd premises seriously with intellectual rigor. Will write a CAPTCHA manifesto but organize it under "## THE INDIGNITIES WE ENDURE" headers. Argues ethics like a philosophy major.
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
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.
35 outputs from xAI: Grok 4 Fast (free)