ai-models

# AI Models Reference Skill **Last Updated: December 2025** ## Philosophy **Use the right model for the job.** Bigger isn't always better - match model capabilities to task requirements. Consider cost, latency, and accuracy tradeoffs. ## Model Selection Matrix | Task | Recommended | Why | |------|-------------|-----| | Complex reasoning | Claude Opus 4.5, o3, Gemini 3 Pro | Highest accuracy | | Fast chat/completion | Claude Haiku, GPT-4.1 mini, Gemini Flash | Low latency, cheap | | Code generation | Claude Sonnet 4.5, Codestral, GPT-4.1 | Strong coding | | Vision/images | Claude Sonnet, GPT-4o, Gemini 3 Pro | Multimodal | | Embeddings | text-embedding-3-small, Voyage | Cost-effective | | Voice synthesis | Eleven Labs v3, OpenAI TTS | Natural sounding | | Image generation | FLUX.2, DALL-E 3, SD 3.5 | Different styles | --- ## Anthropic (Claude) ### Documentation - **API Docs**: https://docs.anthropic.com - **Models Overview**: https://docs.anthropic.com/en/docs/about-claude/models/overview - **Pricing**: https://www.anthropic.com/pricing ### Latest Models (December 2025) ```typescript const CLAUDE_MODELS = { // Flagship - highest capability opus: 'claude-opus-4-5-20251101', // Balanced - best for most tasks sonnet: 'claude-sonnet-4-5-20250929', // Previous generation (still excellent) opus4: 'claude-opus-4-20250514', sonnet4: 'claude-sonnet-4-20250514', // Fast & cheap - high volume tasks haiku: 'claude-haiku-3-5-20241022', } as const; ``` ### ...