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

131.1K tokens

Input

Text

Output

Text

Input price

$0.04 / 1M

Output price

$0.17 / 1M

Knowledge cutoff

2024-06-30

Tool callingStructured outputsReasoning support

Capabilities

What it is good at

Catalog capabilities

  • Generates text responses
  • Supports tool calling
  • Supports structured outputs

Good for

Long documentsUse with toolsStructured responsesDeep analysis

Benchmarks

Catalog data, not Krater benchmarks.

Coding index score

30.4

Agentic index score

13.4

Intelligence index score

24.1

Design Arena gamedev rank

#102

Design Arena dataviz rank

#103

FAQ

Questions about gpt-oss-120b

Clear answers based on the model catalog and Krater access.

gpt-oss-120b supports a context window of 131,072 tokens.

Use gpt-oss-120b in your API

Connect with Krater's unified API.

API access

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