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OpenAI

gpt-oss-120b

openai/gpt-oss-120b

chatreasoningcodingtoolsopen-source

Input price

113.1 RODI/M

~ 0.15 USD/M

Output price

452.2 RODI/M

~ 0.6 USD/M

Context

128K

Max output

16K

Input:text
Output:text

Providers & pricing

ProviderInputOutputFree tier
AWS

AWS

Default

113.1 RODI/M~0.150 USD/M452.2 RODI/M—

Pricing

RateRODIUSD (ref.)Unit
In113.1~ 0.150USD/M · RODI/M
Out452.2~ 0.600USD/M · RODI/M

RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

gpt-oss-120b is OpenAI's 120B open-weight model for text generation, coding, and reasoning. Hybrid reasoning, extended thinking, tool use, and agentic search.

API usage

Use the canonical slug with client.chat() or chat.completions.create().

RodiumAi SDK

Official Python, JavaScript, and Laravel SDKs — flat API aligned with this model slug.

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Compatible SDKs (OpenAI / Anthropic packages)

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