sync AI models and pricing across all providers

官方定价页面
[OpenAI Pricing](https://platform.openai.com/docs/pricing) (Standard tier)
[Anthropic Claude Models](https://docs.anthropic.com/en/docs/about-claude/models)
[Google AI Pricing](https://ai.google.dev/pricing)
[DeepSeek API Pricing](https://platform.deepseek.com/api-docs/pricing/)