[Bug]: If Kimi k2.5 model is used for main agent, all subagents inherit the Kimi model and override omo config

[CarlosCommits]

Prerequisites

• I will write this issue in English (see our Language Policy)
• I have searched existing issues to avoid duplicates
• I am using the latest version of oh-my-opencode
• I have read the documentation

Bug Description

If you set Sisyphus as Kimi K2.5 model, when Sisyphus calls any subagent (explore or librarian for example), the subagent inherits and uses Kimi model instead of the model you have written in the omo config file.

Steps to Reproduce

1. set Sisyphus model to Kimi K2.5
2. In omo config, set explorer to any other agent (ex. GLM 4.7)
3. Ask Sisyphus agent to use explorer agent
4. View subagent model (ctrl x, right arrow)
5. You will see the subagent is using Kimi 2.5 instead

Expected Behavior

Subagent should be using the model set in the omo config.

Actual Behavior

Subagent is inheriting Sisyphus/main agent's model when the main agent is set to Kimi

Doctor Output

nstallation
────────────────────────────────────────
  ✓ OpenCode Installation → 1.1.42
  ✓ Plugin Registration → Registered

Configuration
────────────────────────────────────────
  ✓ Configuration Validity → Valid JSONC config
  ✓ Model Resolution → 9 agents, 7 categories (9 overrides), 2368 available

Authentication
────────────────────────────────────────
  ✓ Anthropic (Claude) Auth → Auth plugin available
  ○ OpenAI (ChatGPT) Auth → Auth plugin not installed
  ✓ Google (Gemini) Auth → Auth plugin available

Dependencies
────────────────────────────────────────
  ✓ AST-Grep CLI → installed
  ⚠ AST-Grep NAPI → Not installed (optional)
  ⚠ Comment Checker → Not installed (optional)

Tools & Servers
────────────────────────────────────────
  ✓ GitHub CLI → 2.45.0 - authenticated as CarlosCommits
  ✓ LSP Servers → 2/4 servers available
  ✓ Built-in MCP Servers → 2 built-in servers enabled
  ○ User MCP Configuration → No user MCP configuration found
  ○ MCP OAuth Tokens → No OAuth tokens configured

Updates
────────────────────────────────────────
  ✓ Version Status → Up to date (3.1.7)

Summary
────────────────────────────────────────

  11 passed, 0 failed, 2 warnings, 3 skipped
  Total: 16 checks in 3069ms

⚠ All systems operational with warnings.

Error Logs

Configuration

Additional Context

No response

Operating System

Linux

OpenCode Version

1.1.42

[juanchula]

I'm having the same problem. It seems they're trying to fix it. I'm going to downgrade to see if I can use it in the meantime.

34aaef2

[hichoe95]

I'm having the same issue.
When I change the main Sisyphus model in oh-my-opencode.json (to GPT Codex, etc.) or modify other models, all the other sub-agents are not loaded with the correct settings. Everything behaves as if it's dependent on Sisyphus - they run with the same model as Sisyphus or with other custom models I've configured.
It seems like somewhere the priority handling is broken, or the override isn't working properly.
This definitely needs to be fixed.
The moment I touch oh-my-opencode.json instead of leaving it as default, all agent models get messed up.

[syj925]

+1

[NorniBot]

Exact same issue.

[J-York]

I also encountered the exact same issue, it's absolutely a disaster, hope it gets fixed as soon as possible

[edxeth]

Yeah this is critical, it requires immediate attention. I was not aware of this so I depleted a shit load of tokens with Opus 4.5 goddamn lol

EDIT: I've downgraded to v3.1.7 in the meantime.

[marcusrbrown]

I think the bug was introduced here in 3.1.7: https://github.com/code-yeongyu/oh-my-opencode/pull/1158/changes#diff-77ebacfd076b2c98532f6358e7fb82c74c82466b91a8b533aeb95b9c13792637R143. If I rollback to 3.1.6 it uses my configured models for subagents as expected.

[CarlosCommits]

Another issue is if you set a variant with the TUI by pressing ctrl + t and then send a first message, the variant set is ignored and goes to a default instead. For example, for 5.2 codex model, if I set variant to xhigh for first message, when I send the message it will resolve to medium variant for Sisyphus.

Not sure if this warrants creating an additional issue here in the repo. It just seems the model/variant overrides are all messed up