Responses API Reasoning

from openai import OpenAI
import os

client = OpenAI(
    base_url="https://api.neosantara.xyz/v1",
    api_key=os.environ["NEOSANTARA_API_KEY"]
)

# Use reasoning parameter directly (or extra_body on older SDK versions)
response = client.responses.create(
    model="deepseek-v4.1-flash",
    input="Prove mathematically why the square root of 2 is irrational.",
    reasoning={
        "effort": "high"
    }
)

print("Analysis Output:\n", response.output_text)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.neosantara.xyz/v1",
  apiKey: process.env.NEOSANTARA_API_KEY,
});

const response = await client.responses.create({
  model: "deepseek-v4.1-flash",
  input: "Prove mathematically why the square root of 2 is irrational.",
  // @ts-expect-error - responses schema extension
  reasoning: {
    effort: "high",
  },
});

console.log("Analysis Output:\n", response.output_text);

from openai import OpenAI
import os

client = OpenAI(
    base_url="https://api.neosantara.xyz/v1",
    api_key=os.environ["NEOSANTARA_API_KEY"]
)

response = client.responses.create(
    model="deepseek-r1",
    input="How many trailing zeros are in 100 factorial (100!)?",
    reasoning={"effort": "high"}
)

# Inspect reasoning token accounting
print(f"Completion Tokens: {response.usage.completion_tokens}")
if hasattr(response.usage, "completion_tokens_details"):
    details = response.usage.completion_tokens_details
    print(f"Reasoning Tokens: {getattr(details, 'reasoning_tokens', 'N/A')}")

print("\nFinal Answer:\n", response.output_text)

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.neosantara.xyz/v1",
  apiKey: process.env.NEOSANTARA_API_KEY,
});

const response = await client.responses.create({
  model: "deepseek-r1",
  input: "How many trailing zeroes are in 100 factorial (100!)?",
  // @ts-expect-error - responses schema extension
  reasoning: { effort: "high" },
});

console.log(`Completion Tokens: ${response.usage?.completion_tokens}`);
// @ts-expect-error - reasoning_tokens property
console.log(`Reasoning Tokens: ${response.usage?.completion_tokens_details?.reasoning_tokens}`);
console.log("\nFinal Answer:\n", response.output_text);