gpt-oss-120bon Krater.ai
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases.
Released August 5, 2025
Specifications
gpt-oss-120b at a glance
Context
131.1K tokens
Max output
118K tokens
Input
Text
Output
Text
Input price
$0.04 / 1M
Output price
$0.17 / 1M
Knowledge cutoff
2024-06-30
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Live ChatGPT statusCapabilities
What it is good at
Catalog capabilities
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Benchmarks
Catalog data, not Krater benchmarks.
Coding index score
30.4
Agentic index score
3.7
Intelligence index score
11.6
Design Arena dataviz rank
#112
Design Arena 3d rank
#113
Compare
Compare gpt-oss-120b
gpt-oss-120b vs GPT-3.5 Turbo
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks.
Open comparisongpt-oss-120b vs GPT-3.5 Turbo (older v0613)
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks.
Open comparisongpt-oss-120b vs GPT-3.5 Turbo 16k
This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up
Open comparisonFAQ
Questions about gpt-oss-120b
Clear answers based on the model catalog and Krater access.