implementation detail · filed under inference & serving
Interleaving tool calls with chain-of-thought
Harmony channels allow tool calls to be interleaved with chain-of-thought.
Also called interleaving tool calls within the CoT.
- source
- 1
- model
- 1
- lab adopt it
- 1
- strongest
- used
How sources treat it
One count per evidence span, weakest treatment to strongest.
used 1
Documented in
Evidence
1 span quoted from the sources, strongest treatment first.
This format enables gpt-oss to provide advanced agentic features including interleaving tool calls within the CoT or providing preambles that outline longer action plans to the user.
usedsoftware implementationin gpt-oss-120b and gpt-oss-20bOpenAI
Filed alongside
Other methods under inference & serving :: agentic scaffolding.
Advisor strategyAutomatic tool choicePython toolFunction callingHarmony formatBrowser toolGeneric tool-call parserMCP tool configurationMulti-agent collaborationRole-based instruction hierarchyThinking with toolsVisual Search ToolXML-based tool-call schema with DSML tokenAgent Team modeAgentENVAgentic searchAgentic tool callingApp-server mode with adapted tool schemasAppArmor and eBPF sandbox policiesAssistant output channelsAsynchronous teammate spawningBash commands for context retrievalBash computer-use agentBrowsing tool with domain filtering