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gpt-oss-20b

openai

OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases – gpt-oss-20b is for lower latency, and local or specialized use-cases.

Context window
128,000 tokens
Input cost
$0.20 / 1M
Output cost
$0.30 / 1M
Latency (p50)