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fix: prioritize CLI --model argument over command markdown model #17788

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fix: prioritize CLI --model argument over command markdown model #17788

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fix: prioritize CLI --model argument over command markdown model
Nainish-Rai Mar 16, 2026
964a80a
Merge branch 'dev' into fix-model-selection-priority
Nainish-Rai Mar 17, 2026
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28 changes: 19 additions & 9 deletions packages/opencode/src/session/prompt.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1803,17 +1803,29 @@ NOTE: At any point in time through this workflow you should feel free to ask the
}
template = template.trim()

const agent = await Agent.get(agentName)
const isSubtask = (agent?.mode === "subagent" && command.subtask !== false) || command.subtask === true

const taskModel = await (async () => {
if (command.model) {
return Provider.parseModel(command.model)
}
if (command.agent) {
const cmdAgent = await Agent.get(command.agent)
if (cmdAgent?.model) {
return cmdAgent.model
if (isSubtask) {
if (command.model) return Provider.parseModel(command.model)
if (command.agent) {
const m = command.agent === agentName
? agent?.model
: (await Agent.get(command.agent))?.model
if (m) return m
}
if (input.model) return Provider.parseModel(input.model)
return await lastModel(input.sessionID)
}
if (input.model) return Provider.parseModel(input.model)
if (command.model) return Provider.parseModel(command.model)
if (command.agent) {
const m = command.agent === agentName
? agent?.model
: (await Agent.get(command.agent))?.model
if (m) return m
}
return await lastModel(input.sessionID)
})()

Expand All @@ -1830,7 +1842,6 @@ NOTE: At any point in time through this workflow you should feel free to ask the
}
throw e
}
const agent = await Agent.get(agentName)
if (!agent) {
const available = await Agent.list().then((agents) => agents.filter((a) => !a.hidden).map((a) => a.name))
const hint = available.length ? ` Available agents: ${available.join(", ")}` : ""
Expand All @@ -1843,7 +1854,6 @@ NOTE: At any point in time through this workflow you should feel free to ask the
}

const templateParts = await resolvePromptParts(template)
const isSubtask = (agent.mode === "subagent" && command.subtask !== false) || command.subtask === true
const parts = isSubtask
? [
{
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