[bug] Compatible OpenAI providers cannot price correctly #295

{
    "$schema": "https://opencode.ai/config.json",
    "autoupdate": false,
    "provider": {
        "openrouter": {
            "npm": "@openrouter/ai-sdk-provider",
            "name": "OpenRouter",
            "options": {},
            "models": {
                "anthropic/claude-3.7-sonnet": {}
            }
        },
        "copilot": {
            "npm": "@ai-sdk/openai-compatible",
            "options": {
                "baseURL": "https://api.githubcopilot.com"
            },
            "models": {
                "claude-3.7-sonnet": {
                    "attachment": true,
                    "reasoning": true,
                    "temperature": true,
                    "tool_call": true,
                    "knowledge": "2024-10-31",
                    "input_modalities": [
                        "text",
                        "image"
                    ],
                    "output_modalities": [
                        "text"
                    ],
                    "cost": {
                        "input": 3,
                        "output": 15,
                        "cache_read": 0.3,
                        "cache_write": 0.3
                    },
                    "limit": {
                        "context": 200000,
                        "output": 64000
                    }
                }
            }
        }
    }
}