GPT-OSS 120B

gpt-oss-120b

OpenAI's open-source 120B model — powerful and ultra-affordable, the best quality/price ratio for conversation and creativity.

FreeConversationCreativityOpen Source

Technical Specifications

API Identifier	`gpt-oss-120b`
Plans	Free
Paramètres	120 milliards
Vision (images)	No
Native Web Access	No
Image Generation	No
Input Cost	$0.03 / M tokens
Output Cost	$0.15 / M tokens

Overview

GPT-OSS 120B is OpenAI's open-source model with 120 billion parameters, made available via OpenRouter at an extremely competitive price. At just $0.03 per million input tokens, it offers a rare combination of power and accessibility. It is particularly suited for conversational tasks, light creative writing, and general questions where GPT-quality is needed without premium costs. On Mingo, it enriches the Free plan's model pool for conversation and creative categories.

Strengths

Ultra-low cost120B parametersOpen sourceQuality conversation

Ideal Use Cases

Volume conversations

Chatbots, FAQ systems, and customer support applications at minimal cost.

Light creative writing

Product descriptions, summaries, short texts — great quality at fraction of the cost.

Prototyping and testing

Validate AI integrations or product flows at ultra-low cost before moving to a premium model.

Free plan users

On Mingo Free, GPT-OSS 120B provides GPT-level quality for everyday tasks without any cost.

Pricing

Input Tokens

$0.03

per million tokens

Output Tokens

$0.15

per million tokens

Related Models

Frequently Asked Questions

Is GPT-OSS 120B really free?

GPT-OSS 120B is available on Mingo Free. It offers excellent value at $0.03/M input tokens — one of the cheapest options while maintaining solid GPT-level quality.

What are the limits of GPT-OSS 120B?

GPT-OSS 120B does not have vision or native web access. For tasks requiring image analysis or real-time search, Mingo will automatically route to a more suitable model.

Use GPT-OSS 120B for free on Mingo

GPT-level quality at the lowest cost — automatically selected by Mingo for your conversation and creativity needs.

Try Mingo Free