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OpenAI reasoningEffort=xhigh is not visible in TUI or export #18634
Description
Summary
When reasoningEffort is set explicitly for an OpenAI build agent, OpenCode does not visibly expose whether the setting is actually active.
Config used
{
"$schema": "https://opencode.ai/config.json",
"agent": {
"build": {
"model": "openai/gpt-5.4",
"reasoningEffort": "xhigh",
"textVerbosity": "low",
"reasoningSummary": "auto"
}
}
}What I expect
At least one reliable way to confirm the active reasoning setting for the session, for example:
- visible in the TUI model/status line
- present in
opencode export - visible through a config/debug endpoint
What happens instead
- TUI only shows
Build · gpt-5.4 opencode export <session>showsproviderID: openaiandmodelID: gpt-5.4- there is no obvious
variant,reasoningEffort, or equivalent field to confirm thatxhighis active
Why this matters
OpenCode docs document OpenAI reasoning variants (low, medium, high, xhigh) and also show direct agent-level reasoning options, but in practice there is no trustworthy runtime signal that the configured reasoning effort was actually applied.
This makes it hard to distinguish between:
- the setting is applied but not displayed
- the setting is ignored
Reproduction
- Set
agent.build.model = openai/gpt-5.4 - Set
agent.build.reasoningEffort = xhigh - Start a new session
- Observe TUI header / export output
Actual session behavior observed
- new session clearly uses
openai/gpt-5.4 - no visible indication of
xhigh
Request
Please either:
- surface active reasoning settings in TUI/export/debug output, or
- document the canonical way to verify that
reasoningEffortis being applied at runtime
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github-actions commentedon Mar 22, 2026
This issue might be a duplicate of existing issues. Please check:
reasoningEffortnot surfaced in UI/output), though that report targets the web UI while this one targets the TUI andopencode exportIf you believe these are distinct enough to warrant separate tracking, please let a maintainer know.
Valeron2206 commentedon Mar 22, 2026
Yes, this looks like the same underlying problem as #17588.
My report covers a slightly different surface area:
opencode export, not only web UIagent.build.reasoningEffort = xhigh), not only model-level provider optionsBut the root issue seems the same: the effective reasoning setting is not surfaced clearly enough in runtime/UI/export, so it is impossible to verify whether it was applied.
If maintainers prefer to track this under #17588, I am fine with closing this as a duplicate.
github-actions commentedon Jul 4, 2026
To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.