gpt-oss-20b (batch)on Krater.ai

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for

Released August 5, 2025

Specifications

gpt-oss-20b (batch) at a glance

Context

131.1K tokens

Max output

118K tokens

Input

Text

Output

Text

Input price

$0.05 / 1M

Output price

$0.20 / 1M

Knowledge cutoff

2024-06-30

Structured outputsReasoning support

Capabilities

What it is good at

Catalog capabilities

  • Generates text responses
  • Supports structured outputs

Good for

Long documentsStructured responsesDeep analysis

Benchmarks

Catalog data, not Krater benchmarks.

Coding index score

20.7

Agentic index score

1.4

Design Arena dataviz rank

#108

Design Arena website rank

#123

FAQ

Questions about gpt-oss-20b (batch)

Clear answers based on the model catalog and Krater access.

gpt-oss-20b (batch) supports a context window of 131,072 tokens.

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API access

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