GPT-OSS 20B
JSON →A 20-billion-parameter open-source language model from OpenAI optimized for efficient inference and research applications.
Specs
context window 131K tokens
max output 33K tokens
input price $0.075 / 1M tokens
output price $0.3 / 1M tokens
Capabilities
streamingcode-generationfunction-callingtool-usejson-modeopen-weightsreasoning
Dates
releasedMar 2025
knowledge cutoffJun 2024
Resources
API
full doc /v1/models/gpt-oss-20b