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Overview

gpt-oss-120b is one of the cheapest strong general-purpose models in Kyma’s active catalog. It is a good fit for writing-heavy and budget-sensitive workloads where you still want a larger model.

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Specs

FieldValue
Model IDgpt-oss-120b
Best forWriting, general intelligence, cheap larger-model workloads
Context window128K
Max output tokens8K
Input modalitiesText
Output modalitiesText
Tool callingYes
Structured outputsYes
Prompt cachingYes
SpeedMedium
Cost bandCheap
Release stageStable

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Use this when

  • You want a large model at low cost.
  • You care about writing, summarization, and general-purpose tasks.
  • You want a budget-friendly model with a decent context window.

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Pick something else when

  • You want stronger coding and reasoning quality: use qwen-3.6-plus or deepseek-v3.
  • You need deep reasoning: use deepseek-r1.
  • You need vision or multimodal input: use gemma-4-31b or kimi-k2.5.

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Example

from openai import OpenAI

client = OpenAI(base_url="https://kymaapi.com/v1", api_key="ky-...")

response = client.chat.completions.create(
    model="gpt-oss-120b",
    messages=[{"role": "user", "content": "Rewrite this landing page copy to be clearer and more persuasive."}]
)