OpenAI · preview runs only

GPT OSS 120B in Taskade

GPT OSS 120B from OpenAI runs on Business and up, with your own API key. We have not run TSK-1, our app-building test, on it yet.

Status
Own key
Plan
Business and up, with your own API key (BYOK)
Where to pick it
Agent settings
Your own key
Groq, Cerebras

Your own key (BYOK, bring your own key) means you connect your own account with an AI provider, and that provider bills you for the model use.

Context window
131KtokensHow much it can read at once
Max output
33KtokensLongest answer it can write
Released
Knowledge cutoff
Newest events it learned about
Where it runs
20servicesOther services that serve it

Published scores

Benchmark scores that OpenAI and test sites published for GPT OSS 120B. Taskade did not re-run them. Lab-reported marks a score from OpenAI itself.

LMArena scores

LMArena scores for GPT OSS 120B
BenchmarkScore
Text arena±4 · 30,200 votes · Rank 219 of 419 · LMArena1,352

Scores from the LMArena leaderboard dataset (CC BY 4.0). People vote between two answers, and the votes set the score. Taskade picked the Overall category and the default setting of each model.

TSK-1, our own app-building test

Versions tested

Preview runs only, not ranked

See the GPT OSS 120B preview runs

Model facts

Published specs from the model maker. A token is about three quarters of a word. Taskade can run the model with lower limits than these.

Last updated
Reads
TextWhat you can give it
Writes
TextWhat it gives back
Reasoning
YesThinking a problem through first
Tool calling
YesUsing tools, such as web search
File attachments
NoReading files that you attach
Structured output
YesFilling a set format, such as a table
Open weights
YesFree for anyone to download and run
Thinking levels
LowMediumHighHow long it can think. Higher is slower and more careful.

Published specs from the model maker, via models.dev (MIT).

Run GPT OSS 120B with your own key

Pick it with your own key in a custom agent.

Key providers for GPT OSS 120B, and the plan each one needs
Key providerPlan
GroqBusiness and up
CerebrasBusiness and up

Where it runs

Services outside Taskade that serve GPT OSS 120B, from models.dev. Each link opens in a new tab. In Taskade, your own key works only through the key providers on this page.

How to choose GPT OSS 120B

  1. Open the agent settings.
  2. Under AI Model, choose the model.
  3. Under Bring Your Own Key, add or select your provider key.

GPT in the docs

Compare GPT

Claude vs ChatGPTDeepSeek vs ChatGPTGemini vs GPTGLM vs GPTGPT vs ClaudeGrok vs GPT

Other OpenAI models

GPT-5.6 LunaGPT-5.6 SolGPT-5.6 TerraGPT-6 LunaGPT-6.1 SolGPT OSS 20B

FAQ

Which Taskade plans include GPT OSS 120B?

GPT OSS 120B runs on Business and up, with your own API key. Your provider bills the model use to your own account.

Has Taskade tested GPT OSS 120B?

Not yet. GPT OSS 120B has no TSK-1 app test yet. The GPT results page shows how other OpenAI models build apps.

How do I choose GPT OSS 120B in Taskade?

Open the agent settings. Under AI Model, choose GPT OSS 120B. Under Bring Your Own Key, select your provider key.

Can I use my own API key for GPT OSS 120B?

Yes. In a custom agent, you can pick GPT OSS 120B with your own key from Groq or Cerebras (Business and up). Your provider bills the model use to your own account.

Who makes GPT OSS 120B?

OpenAI makes GPT OSS 120B. Taskade runs it on Business and up, with your own API key, beside frontier models from other top AI labs.