anthropic

Constitutional AI (CAI) introduced in paper: Constitutional AI: Harmlessness from AI Feedback (Bai et al., 2022).

ba1eb83c14795107 · 2 sources · 100% confidence

Claude 3.5 Sonnet released on: 2024-06-20.

9fc5fb203abbf250 · 1 source · 100% confidence

Claude 3 Opus context window tokens: 200000.

565df27fc8b75ef0 · 2 sources · 100% confidence

Anthropic founded in: 2021.

dc53356a0a39c8de · 2 sources · 100% confidence

Claude 3 family (Opus, Sonnet, Haiku) released on: 2024-03-04.

99340a18716a44fb · 1 source · 100% confidence

Claude 3.5 Haiku released on: 2024-11-04.

cdc82d4d6c880ba3 · 2 sources · 100% confidence

Model Context Protocol (MCP) publicly released on: 2024-11-25 by Anthropic.

d04ee92d198f69d8 · 2 sources · 100% confidence

Anthropic Claude Opus 4 released on: 2025-05-22 by Anthropic.

227ecd38519af6c8 · 2 sources · 100% confidence

Anthropic Claude Sonnet 4 released on: 2025-05-22 by Anthropic.

f82eba5c7f5fa09f · 2 sources · 100% confidence

Anthropic Claude Haiku 3.5 released on: 2024-11-04 by Anthropic.

25a7861bd919a053 · 2 sources · 100% confidence

Anthropic API publicly released on: 2023-07-11 — general availability.

b3d655b5b021fff5 · 2 sources · 100% confidence

Anthropic Computer Use publicly released on: 2024-10-22 by Anthropic — Claude 3.5 Sonnet computer use beta.

65093b496018360a · 2 sources · 100% confidence

Anthropic Tool Use (general availability) publicly released on: 2024-05-30 by Anthropic.

c755a0e6b5f19e15 · 2 sources · 100% confidence

Anthropic Constitutional AI Harmlessness introduced in paper: Bai et al. 2022 — training a helpful and harmless assistant.

6fa575eb9df5ac32 · 2 sources · 100% confidence

Anthropic Claude Code publicly released on: 2025-02-24 by Anthropic — coding agent CLI.

a4a3a3cee8a870a0 · 2 sources · 100% confidence

GenAI Apps SDK (Anthropic) publicly released on: 2024-09-12 — Message Batches API by Anthropic.

28fc7ec640867670 · 2 sources · 100% confidence

Anthropic Citations API publicly released on: 2025-01-23 by Anthropic — built-in source citations.

c38640f829d1f8ca · 2 sources · 100% confidence

Claude 3.7 Sonnet publicly released on: 2025-02-24 by Anthropic — first hybrid-reasoning model with optional extended-thinking mode.

57c9272a3e7cb435 · 2 sources · 100% confidence

Anthropic Claude for Education publicly released on: 2025-04-02 by Anthropic — Learning mode + Claude API for education institutions + Northeastern + LSE + Champlain partnerships.

c2763c2c2bf08193 · 2 sources · 100% confidence

Anthropic Claude Sonnet 4.5 publicly released on: 2025-09-29 by Anthropic — production model improvements over Sonnet 4 with extended-thinking + better coding.

599668ba56c91952 · 2 sources · 90% confidence

Anthropic Skills publicly released on: 2025-10-16 by Anthropic — Claude can use named skills (curated capability packs).

32e42b3552f73fe2 · 2 sources · 90% confidence

Anthropic Claude Memory publicly released on: 2025-09 by Anthropic — Claude memory referencing past chats (Team Sep 11 2025; Enterprise Sep 18 2025; Pro & Max Oct 23 2025; all plans Mar 2 2026).

a4d64a4b3ca446fd · 2 sources · 90% confidence

Anthropic Files API publicly released on: 2025-03-25 by Anthropic — file upload + reference API for Claude, supports PDF + image + spreadsheet.

d5836ef4cc0e8a20 · 2 sources · 85% confidence

Anthropic Constitutional Classifiers publicly released on: 2025-02-04 by Anthropic — safeguard against jailbreaks via constitutional-trained input/output filters.

688a84a8d7211fc0 · 2 sources · 100% confidence

Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking).

b3cd9a0e18791267 · 2 sources · 85% confidence