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openai/harmony

harmony

Renderer for the harmony response format to be used with gpt-oss

View on GitHub↗Upstream openai/harmony↗

Builder

OpenAI

OpenAI

openai • ai-lab

Stars

4,387

Using upstream star count

Forks

286

Using upstream fork count

Open Issues

0

Activity Score

0/100

0 commits in 30d

Created

Jul 31, 2025

Project creation date

README Summary

<center> <img alt="harmony" src="./docs/header.png"> <h1 align="center">OpenAI Harmony</h1> <p align="center">OpenAI's response format for its open-weight model series <a href="https://openai.com/open-models">gpt-oss</a> <br> <a href="https://gpt-oss.com" target="_blank">Try gpt-oss</a> | <a href="https://cookbook.openai.com/topic/gpt-oss">Learn more</a> | <a href="https://openai.com/index/gpt-oss-model-card/">Model card</a> </p> <br> </center>

Community Evaluation

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AI Dev Skills

Unmapped

AI Model Output RenderingLanguage Model IntegrationOpen Source LLM ToolingResponse Format Processing

Tags

AI Model Output RenderingLanguage Model IntegrationOpen Source LLM ToolingResponse Format ProcessingForkedHuggingFaceLLM ServingLarge Language ModelsOllamaOpenAIPlanning / CoTPythonRustTool UsevLLM

Taxonomy

AI Trends

Open Source LLMsAI Developer Tooling

category

Foundation ModelsAI AgentsInference & Serving

Deployment Context

Self-hostedOn-premise

Industries

Developer Tools

Modalities

Text

Skill Areas

Language Model IntegrationResponse Format ProcessingAI Model Output RenderingOpen Source LLM Tooling

tag

ForkedHuggingFaceLLM ServingLarge Language ModelsOllamaOpenAIPlanning / CoTPythonRustTool UsevLLM

Use Cases

Language Model Response FormattingAI Model Output StandardizationOpen Source GPT Integration

Recent Activity

Updated 5 months ago

7 Days

0

30 Days

0

90 Days

0

Quality

prototype
Quality
low
Maturity
prototype

Categories

Inference & ServingPrimaryFoundation ModelsAI AgentsOther AI / ML

PM Skills

Cost & EfficiencyDeveloper PlatformAI-Native Architecture

Languages

Rust100.0%

Timeline

Project created
Jul 31, 2025
Forked
Mar 14, 2026
Your last push
5 months ago
Upstream last push
1 months ago
Tracked since
Dec 15, 2025

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