Hmm no idea haven't used opencode yet. But IMO it seems to be hinting at a mismatch in model name. Perhaps opencode only recognizes certain model names and not others? Dunno.
Discussion
```
"provider": {
"ppqai": {
"npm": "@ai-sdk/openai-compatible",
"name": "ppq.ai",
"options": {
"baseURL": "https://api.ppq.ai/v1"
},
"models": {
"openai/gpt-5.1-codex": {
"name": "GPT-5.1 Codex"
},
"anthropic/claude-sonnet-4.5": {
"name": "Claude Sonnet 4.5"
},
"qwen/qwen3-coder-plus": {
"name": "Qwen 3 Coder Plus"
},
"kwaipilot/kat-coder-pro": {
"name": "KAT-Coder-Pro V1"
},
"mistralai/devstral-2512": {
"name": "Devstral 2 2512"
}
}
}
```
first 3 no issue, last 2 i get that error