Anthropic
Anthropic is an AI safety company founded in 2021, headquartered in San Francisco. Anthropic builds Claude, a family of AI models focused on being helpful, harmless, and honest.
Per Anthropic:
Anthropic is a public benefit corporation dedicated to securing AI's benefits and mitigating its risks. We focus on building tools with human benefit at their foundation. Through our daily research, policy work, and product design, we aim to show what responsible AI development looks like in practice.
Claude Model Tiers
Anthropic offers three model tiers, each optimized for different use cases:
- Opus — The most intelligent model, an industry-leader for coding, agents, computer use, and complex enterprise workflows.
- Sonnet — Balanced performance and practicality for most uses, including coding and agents. Sonnet 4.6 approaches Opus-level intelligence at a more practical price point.
- Haiku — The fastest model with near-frontier intelligence, optimized for speed and cost.
Current Models (Claude 4.5 and 4.6)
| Model | Released | Context | Description |
|---|---|---|---|
| Claude Opus 4.6 | Feb 2026 | 200K | Flagship model for deepest reasoning |
| Claude Sonnet 4.6 | Feb 2026 | 1M (beta) | Opus-level performance at Sonnet pricing |
| Claude Haiku 4.5 | Oct 2025 | 200K | Fastest model, near-frontier intelligence |
Links
- Website: anthropic.com
- Claude Product: claude.ai
- Developer Platform: platform.claude.com
- API Console: console.anthropic.com
- Anthropic Academy: anthropic.com/learn
- X (Twitter): @AnthropicAI
- Discord: Anthropic Discord
Models in this family
Feb 17, 2026
Feb 4, 2026
Nov 24, 2025
Oct 15, 2025
Sep 29, 2025