Models overview
Claude is a family of state-of-the-art large language models developed by Anthropic. Compare the current lineup, find the model ID for every platform, and open each model's page for its full specs and resources.
Compare models
If you're unsure which model to use, start with Claude Opus 5 for most workloads. Use Claude Fable 5.1 for demanding reasoning and long-horizon agentic work, or when your evals on Claude Opus 5 at higher effort still fall short. All current models support text and image input, text output, multilingual capabilities, vision, and tool use. Each model's page lists the platforms it's available on.
| Feature | Claude Fable 5.1For demanding reasoning and long-horizon agentic work | Claude Opus 5For complex agentic coding and enterprise work | Claude Sonnet 5The best combination of speed and intelligence | Claude Haiku 4.5The fastest model with near-frontier intelligence |
|---|---|---|---|---|
| Comparative latency | Slower | Moderate | Fast | Fastest |
| Pricing | $10 / input MTok$50 / output MTok | $5 / input MTok$25 / output MTok | $2 / input MTok$10 / output MTok | $1 / input MTok$5 / output MTok |
| Claude API ID |
