opendunes

gpt-oss-20b

by OpenAIReleased 5 August 2025

gpt-oss-20b reads text and writes text, keeping about 130 pages in mind at once. It is the smaller of OpenAI's two downloadable models, free to run yourself under an open license, quick enough to answer fast and light enough for an ordinary computer or a single graphics card. You choose how long it thinks, it can use the tools and apps you connect, and it can be retrained on your own examples.

TakesText
GivesText

What it costs

You pay for what each request uses. No subscription, no minimum.

≈ 0,032 DA per message3 000 DA buys about 94 000 messages

One message, the ordinary use

1 000 tokens sent× 9,99 DA per 1M0,010 DA
500 tokens back× 43,27 DA per 1M0,022 DA
Total≈ 0,032 DA

Every rate

Meter↑ you send↓ comes back
Text tokens9,99 DA43,27 DA
Cached tokens read9,99 DA

per 1M tokens

Answer a quick question≈ 0,012 DA
Reply to a customer email≈ 0,023 DA
Classify 20 support tickets by topic≈ 0,029 DA
Translate a full page of text≈ 0,042 DA
Write a one-page draft≈ 0,042 DA
When you pay
After the answer, from your balance. Nothing is held.
Why it varies
A longer question or a longer answer costs more.
After each one
The exact charge shows on the request.
DepositDeposits from 50 DA, with Edahabia or CIB.

Where your request runs

Ten companies run this model. OpenDunes sends each request to one of them, picked by price and speed. If it fails, the next one takes it. DA per 1M tokens: ↑ what you send · ↓ what comes back.

PrimeIntellect…
↑ Sent, per 1M
1,33 DA
↓ Back, per 1M
5,66 DA
Cache read
1,00 DA
Latency
…
Throughput
…
Darkbloom…
↑ Sent, per 1M
5,99 DA
↓ Back, per 1M
29,96 DA
Cache read
3,00 DA
Latency
…
Throughput
…
AkashML…
↑ Sent, per 1M
6,66 DA
↓ Back, per 1M
33,28 DA
Cache read
none
Latency
…
Throughput
…
DekaLLMAsia…
↑ Sent, per 1M
9,65 DA
↓ Back, per 1M
46,60 DA
Cache read
9,65 DA
Latency
…
Throughput
…
CoreWeaveUnited States…
↑ Sent, per 1M
9,99 DA
↓ Back, per 1M
43,27 DA
Cache read
9,99 DA
Latency
…
Throughput
…
DeepInfraUnited States…
↑ Sent, per 1M
9,99 DA
↓ Back, per 1M
46,60 DA
Cache read
none
Latency
…
Throughput
…
Parasail…
↑ Sent, per 1M
9,99 DA
↓ Back, per 1M
49,93 DA
Cache read
6,66 DA
Latency
…
Throughput
…
SiliconFlowUnited States…
↑ Sent, per 1M
13,31 DA
↓ Back, per 1M
59,91 DA
Cache read
none
Latency
…
Throughput
…
Amazon BedrockEurope…
↑ Sent, per 1M
23,30 DA
↓ Back, per 1M
49,93 DA
Cache read
none
Latency
…
Throughput
…
Amazon Bedrock…
↑ Sent, per 1M
23,30 DA
↓ Back, per 1M
49,93 DA
Cache read
none
Latency
…
Throughput
…
Groq…
↑ Sent, per 1M
24,96 DA
↓ Back, per 1M
99,85 DA
Cache read
12,48 DA
Latency
…
Throughput
…
Provider↑ Sent↓ BackCache readLatencyThroughputUptime
PrimeIntellect1,33 DA5,66 DA1,00 DA………
Darkbloom5,99 DA29,96 DA3,00 DA………
AkashML6,66 DA33,28 DAnone………
DekaLLMAsia9,65 DA46,60 DA9,65 DA………
CoreWeaveUnited States9,99 DA43,27 DA9,99 DA………
DeepInfraUnited States9,99 DA46,60 DAnone………
Parasail9,99 DA49,93 DA6,66 DA………
SiliconFlowUnited States13,31 DA59,91 DAnone………
Amazon BedrockEurope23,30 DA49,93 DAnone………
Amazon Bedrock23,30 DA49,93 DAnone………
Groq24,96 DA99,85 DA12,48 DA………

You pay the price of the provider that served your request. Prices read 15:19 · speed over the last 30 minutes · uptime over 3 days.

See it in action

Real requests, real replies. Try any of them yourself — one click, pre-filled.

Structured output
You send

Turn this customer email into JSON with intent, urgency and order_id.

customer-email.txt
It replied

{ "intent": "refund", "urgency": "high", "order_id": "OD-58421" }

Try in Chat Lab
Writing
You send

Two lines to welcome a shop in Oran.

It replied

Welcome to our new shop in Oran — fresh bread every morning, and coffee the way the city likes it. Come in, the first cup is on us.

Try in Chat Lab

Try your own request — same model, pre-selected.

Open Chat Lab

Call it in code

Swap the base URL and the key. Your OpenAI code runs unchanged.

POST /v1/chat/completions
Base URL
https://opendunes.com/v1
Model ID
openai/gpt-oss-20b
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://opendunes.com/v1",
    api_key=os.environ["OPENDUNES_API_KEY"],
)

resp = client.chat.completions.create(
    model="openai/gpt-oss-20b",
    messages=[{"role": "user", "content": "Two lines to welcome a shop in Oran."}],
)

print(resp.choices[0].message.content)

Runs this request once on your balance.

Parameters you can send

Standard OpenAI fields, grouped by what they control. Anything not listed is accepted and ignored.

Shaping the reply

How long, how varied, where to stop.

max_tokenstemperaturetop_ptop_kmin_pstopseedfrequency_penaltypresence_penaltyrepetition_penaltylogit_biaslogprobstop_logprobs

Reasoning

Let it think before answering — and see the thinking.

reasoningreasoning_effortinclude_reasoning

Structured output

Get JSON you can parse instead of prose.

response_formatstructured_outputs

Tools

Let the model call your functions.

toolstool_choice

Questions about gpt-oss-20b

  • How much does gpt-oss-20b cost in dinars?

    About 0,032 DA per message. ↑ 9,99 DA · ↓ 43,27 DA per 1M tokens.

  • Is gpt-oss-20b free? Can I try it?

    No. You pay per use from your balance, with no subscription. Try it in Chat at the same price.

  • What is gpt-oss-20b best for?

    gpt-oss-20b reads text and writes text, keeping about 130 pages in mind at once. It is the smaller of OpenAI's two downloadable models, free to run yourself under an open license, quick enough to answer fast and light enough for an ordinary computer or a single graphics card. You choose how long it thinks, it can use the tools and apps you connect, and it can be retrained on your own examples.

  • gpt-oss-20b or gpt-oss-safeguard-20b?

    gpt-oss-safeguard-20b costs 0,043 DA more for the same message.

  • How do I pay for gpt-oss-20b without an international card?

    Deposit dinars with your Edahabia or CIB card. Every model, gpt-oss-20b included, is paid from that balance. No foreign card, no conversion.

  • Does gpt-oss-20b work in Arabic, French or Darja?

    OpenAI names no languages for gpt-oss-20b. Arabic, French and Darja: not stated.

  • Can it read PDFs, images or a whole book?

    It reads text. Up to 131K tokens in one request, about 130 pages. It writes up to 88 000 words at once.

  • Is gpt-oss-20b open source?

    Yes, its weights are public. Open weights on Hugging Face

  • Who makes gpt-oss-20b, and when was it released?

    OpenAI. Released 5 August 2025. It knows the world up to 30 June 2024.

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