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gpt-oss

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gpt-oss is OpenAI's open-weight reasoning model family, available in 120B and 20B sizes for local, self-hosted, and cloud deployments outside the OpenAI API.

Tool Snapshot

OpenAI's Apache 2.0 open-weight reasoning models for self-hosted and private infrastructure.

Pricing

Free

Primary category

research

Publisher

OpenAI

Verification

Verified listing

What To Know About gpt-oss

Key features

  • Open weights
  • Reasoning
  • Apache 2.0
  • Self-hosting
  • Tool use

Best for

  • Local inference
  • Private deployments
  • Research
  • Fine-tuning

Pros

  • Complete control over data residency and infrastructure
  • Strong reasoning capabilities that rival proprietary models
  • Highly efficient deployment using MoE and MXFP4 quantization

Cons

  • Requires significant GPU hardware for the 120B model
  • Not available through OpenAI's managed API or ChatGPT
  • Users must implement their own system-level safety guardrails

Published by OpenAI

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gpt-oss FAQ

What is gpt-oss used for?

gpt-oss is commonly used for Local inference, Private deployments, Research.

Is gpt-oss free?

gpt-oss is listed as free to use.

How do I compare gpt-oss with alternatives?

Review pricing, feature coverage, ratings, and similar tools on this page before visiting the product site.

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