c-ai.chat Editorial Team

c-ai.chat Editorial Team

The c-ai.chat editorial team curates and writes the independent guide to Claude AI by Anthropic. We verify every fact against official Anthropic sources before publishing, document the date of verification, and link out to first-party documentation so readers always reach the authoritative version. We cover models, pricing, plans, the Claude API, Claude Code, prompt design, and tool integrations. We are not affiliated with Anthropic.

Claude Haiku 4.5

Claude Haiku 4.5

Claude Haiku 4.5 is an AI model in Anthropic’s Claude family, geared toward quick, lightweight tasks. It’s essentially a faster, smaller version of the Claude AI that trades a bit of depth for speed and efficiency. In this practical guide,…

Claude 3 Sonnet

Claude 3 Sonnet

📌 Historical reference: This page covers Claude 3 Sonnet (early 2024), the original Sonnet generation. It has been superseded by Sonnet 3.5, 3.7, 4, 4.5, and now Claude Sonnet 4.6 (current — $3/$15 pricing, 1M context). For current recommendations see…

Claude 3 Opus

Claude 3 Opus

📌 Historical reference: This page covers Claude 3 Opus (March 2024), Anthropic’s first Opus flagship. It has been superseded by Opus 4, 4.1, 4.5, 4.6, and now Claude Opus 4.7 (April 2026 — current flagship). Pricing has since dropped from…

Claude AI vs Google Gemini

Claude AI vs Google Gemini

Claude and Google Gemini are two advanced AI assistants with very different origins – Claude is developed by the AI safety startup Anthropic, while Gemini comes from tech giant Google (via its DeepMind team). Both serve as powerful conversational AI…

Claude Sonnet 4.5

Claude Sonnet 4.5

📌 Historical reference: This page covers Claude Sonnet 4.5, which has been superseded by Claude Sonnet 4.6 (same $3/$15 pricing, 1M context, improved performance). Content preserved for migration planning and reference. For current recommendations see our models hub. Architecture and…

Claude 3.7 Sonnet

Claude 3.7 Sonnet

📌 Historical reference: This page covers Claude 3.7 Sonnet (early 2025), an early hybrid-reasoning Sonnet release. Anthropic has since released Sonnet 4, 4.5, and now Claude Sonnet 4.6 (current — $3/$15 pricing, 1M context, materially stronger coding and reasoning). For…

Claude 3 Haiku

Claude 3 Haiku

📌 Historical reference: This page covers Claude 3 Haiku (March 2024), Anthropic’s first Haiku release. It has been superseded by Haiku 3.5 and now Claude Haiku 4.5 (current — $1/$5 per million tokens, 200K context). For current recommendations see Haiku…

Claude Opus 4.1

Claude Opus 4.1

📌 Historical reference: This page covers Claude Opus 4.1 (August 2025), which has been superseded by Claude Opus 4.6 and now Claude Opus 4.7 (April 2026, current flagship). Opus 4.7 ships at $5/$25 per million tokens — roughly a third…

Claude 3.5 Haiku

Claude 3.5 Haiku

📌 Historical reference: This page covers Claude 3.5 Haiku (October 2024), which has been superseded by Claude Haiku 4.5 (current fast/cheap option — $1/$5 per million tokens, 200K context, materially improved capabilities). For current recommendations see Haiku 4.5 or browse…

Claude Opus 4

Claude Opus 4

📌 Historical reference: This page covers Claude Opus 4 (May 2025), the first Opus-4 generation flagship. Anthropic has since released Opus 4.1, 4.5, 4.6, and now Claude Opus 4.7 (April 2026 — current flagship at $5/$25 per million tokens, 1M…

Claude Sonnet 4

Claude Sonnet 4

📌 Historical reference: This page covers Claude Sonnet 4 (May 2025), which has been superseded by Sonnet 4.5 and now Claude Sonnet 4.6 (current — same $3/$15 pricing, 1M context, improved performance). For current recommendations see Sonnet 4.6 or browse…