Claude
AnthropicClaude is Anthropic's family of AI assistants, first released in March 2023. The product line spans three tiers — Haiku (fast/cheap), Sonnet (balanced), and Opus (most capable) — with major generations including Claude 1, Claude 2, Claude 3, and Claude 4. Claude is available via API, the claude.ai web interface, and Claude Code (a CLI tool for software engineering).
Claude Family14
| Model | Tier | Released | Input $/MTok |
|---|---|---|---|
| Claude Sonnet 4.6 | sonnet | 2026-02-17 | $3 |
| Claude Opus 4.6 | opus | 2026-02-05 | $5 |
| Claude Opus 4.5 | opus | 2025-11-24 | $5 |
| Claude Haiku 4.5 | haiku | 2025-10-15 | $1 |
| Claude Sonnet 4.5 | sonnet | 2025-09-29 | $3 |
| Claude Opus 4.1 | opus | 2025-08-05 | $15 |
| Claude Sonnet 4 | sonnet | 2025-05-22 | $3 |
| Claude Opus 4 | opus | 2025-05-22 | $15 |
| Claude 3.7 Sonnet | sonnet | 2025-02-24 | $3 |
| Claude 3.5 Haiku | haiku | 2024-11-04 | $0.8 |
| Claude 3.5 Sonnet | sonnet | 2024-06-20 | $3 |
| Claude 3 Opus | opus | 2024-03-04 | $15 |
| Claude 3 Sonnet | sonnet | 2024-03-04 | $3 |
| Claude 3 Haiku | haiku | 2024-03-04 | $0.25 |
Details
Model FamilyClaude
Sources2
Tags
claudeanthropicai-assistantfrontier-ai