Models

OpenCode integrates with 75+ LLM providers through the AI SDK and Models.dev.

Selecting a Model

Use the /models command in the interface.

Recommended Models

• GPT 5.2
• GPT 5.1 Codex
• Claude Opus 4.5
• Claude Sonnet 4.5
• Minimax M2.1
• Gemini 3 Pro

Setting Default Model

{
  "model": "lmstudio/google/gemma-3n-e4b"
}

Format: provider_id/model_id

Global Model Configuration

{
  "provider": {
    "openai": {
      "models": {
        "gpt-5": {
          "options": {
            "reasoningEffort": "high"
          }
        }
      }
    }
  }
}

Variants

Built-in Variants

• Anthropic: high (default), max
• OpenAI: none, minimal, low, medium, high, xhigh
• Google: low, high

Custom Variants

{
  "provider": {
    "openai": {
      "models": {
        "gpt-5": {
          "variants": {
            "thinking": {
              "reasoningEffort": "high"
            }
          }
        }
      }
    }
  }
}

Model Loading Priority

1. Command-line flag (--model)
2. Config file model setting
3. Last used model
4. First model by priority