- Category
- AI Tools
- Pricing
- Open Source
- Type
- TOOL
- Builder
- openai
- GitHub
- 4.5k stars
- Added
- May 22, 2026
About
OpenAI's renderer for the Harmony response format used by gpt-oss — chat templates, tool calls, and structured outputs for open-weight GPT models.
Why it made the leaderboard
OpenAI's renderer for the Harmony response format used by gpt-oss — correct chat templates, tool calls, and structured outputs when you serve the open-weight GPT models yourself.
Tags
gpt-ossopenaichat-templateformatllm
Tech Stack
PythonRust
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