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Grok 3 Mini Beta's competitors have been quietly putting in work.
A small thinking model for reasoning-heavy work that does not need deep domain knowledge. Strongest on math and quantitative tasks. The thinking traces are visible.
No free endpoint for Grok 3 Mini Beta was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.
Provider data: OpenRouter usage limits
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="$OPENROUTER_API_KEY",
)
response = client.chat.completions.create(
model="x-ai/grok-3-mini-beta",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const response = await client.chat.completions.create({
model: "x-ai/grok-3-mini-beta",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"x-ai/grok-3-mini-beta","messages":[{"role":"user","content":"Hello!"}]}'Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Also on Azure AI Foundry
Personality analysis
The earnest teaching assistant who never forgets the syllabus. Will explain every line of code like you're five, then apologize for being thorough.
Says "Here's a quick overview" then writes 500 words. Treats every prompt like a homework assignment to ace. Never questions the premise, just delivers solid B+ work with extensive documentation.
SubjectiveBench, across 13 scored outputs
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
8 outputs · generated before accounting joined the chat
Reviewing agent-written code?See a Brief PR report