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OpenAI · Open weights

gpt-oss-20b API in India

The small gpt-oss: o3-mini-class reasoning in a model that fits on a laptop. Priced in Indian rupees for teams in India, on the same key as every other model.

Input₹8.92per 1M tokens
Output₹31.85per 1M tokens
BillingOne bill, in INRwith every other model

gpt-oss-20b API pricing in India

Input₹8.92 per 1M tokens · $0.091
Output₹31.85 per 1M tokens · $0.325
Cached input₹3.82 per 1M tokens · $0.039

In Indian rupees, the currency your card is charged in, with the published US dollar rate beside each.

For scale: 1,000 requests of about 3,000 tokens in and 1,000 out cost ₹58.60 — a long prompt and a page of answer each. Every rate is published and stays the same from one request to the next. See every model.

Prices are our published US dollar rates converted at ₹98.00 to the dollar, our rate for October — the same rate your card is charged.

About gpt-oss-20b

gpt-oss-20b is the smaller of OpenAI’s two open-weight models. It runs in 16GB of memory — small enough for a high-end laptop — and OpenAI says it performs similarly to o3-mini on common benchmarks, with 71.5% on GPQA Diamond.

It has the same reasoning levels and tool use as the 120b at a fraction of the size. Through an API its appeal is speed and price on simple reasoning steps; for anything hard, the 120b is clearly stronger.

What is gpt-oss-20b good for?

  • Quick reasoning steps inside an agent.
  • Simple classification and extraction that needs a little thought.
  • Prototyping on a budget.

Where to be careful

  • Clearly weaker than gpt-oss-120b on hard reasoning — 71.5% against 80.1% on GPQA Diamond.
  • Its knowledge stops at June 2024, and it reads text only.

Specs

Made byOpenAI
ReleasedAugust 2025
TypeChat
Context window131K tokens
ReadsText
Thinks before answeringAlways on
WeightsOpen (Apache 2.0)
Size21B total, 3.6B active
Processed inGlobal
Model idgpt-oss-20b

Using gpt-oss-20b from India

Roar AI provides access to gpt-oss-20b through the Roar AI gateway, charged in Indian rupees on one bill with every other model. Requests from India go through our gateway in Bangalore. Developers can use gpt-oss-20b alongside other supported models without a separate integration for every provider.

Use the OpenAI SDK you already have — point it at Roar AI and name the model. Read the docs.

from openai import OpenAI

client = OpenAI(base_url="https://api.roar-ai.com/v1", api_key="roar_live_…")

reply = client.chat.completions.create(
    model="gpt-oss-20b",
    messages=[{"role": "user", "content": "Summarise this contract in plain English."}],
)

Where is gpt-oss-20b processed?

Requests to gpt-oss-20b are processed on international infrastructure, outside India. The model directory says where each model is processed.

Questions

How much does gpt-oss-20b cost in India?

Input is ₹8.92 per 1M tokens; output is ₹31.85 per 1M tokens. For scale, 1,000 requests of about 3,000 tokens in and 1,000 out cost ₹58.60. Prices are our published US dollar rates converted at ₹98.00 to the dollar, our rate for October — the same rate your card is charged. The rate is published and does not change from one request to the next.

Is gpt-oss-20b open source?

Its weights are open under the Apache 2.0 licence, so you could run it yourself. Through Roar AI you call it like any other model, with no servers to manage.

Try gpt-oss-20b
on one key

Sign up, get a key and call it with the SDK you already use. Pay in your local currency, on one bill.