C

Claude

⭐⭐⭐⭐⭐ 4.9/5

Anthropic's AI assistant known for nuanced, safe, and helpful responses

chatbotwritinganalysissafety
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Developer

Anthropic

Released

Mar 2023

Users

50M+

API

Available

📊 Rating Breakdown

Functionality 4.9/5

200K+ context, Claude 3.5 Sonnet, Opus, art capabilities, vision analysis

Ease of Use 5.0/5

Thoughtful interface, helpful prompts, best for long documents

Performance 4.8/5

Fast generation, excels at complex reasoning and following instructions

Value for Money 4.7/5

Generous free tier, Pro at $20/mo is competitive

Ecosystem 4.7/5

Growing integrations, API access, expanding platform

Privacy & Security 5.0/5

Best in class privacy, no training on user data, Constitutional AI

Support 4.8/5

Responsive team, excellent docs, helpful community

Innovation 4.9/5

Constitutional AI, context window innovations, safety-first approach

✅ Pros

  • Excellent for long-form content creation
  • Strong safety and ethics focus
  • Very capable with complex documents
  • 200K token context window for analyzing entire documents
  • Superior at creative writing and storytelling
  • Constitutional AI reduces harmful outputs
  • Strong at code analysis and explanation
  • Excellent vision capabilities for image analysis

❌ Cons

  • No native image generation
  • Less plugin ecosystem than ChatGPT
  • Context window can be slow on very long content
  • Claude Pro subscription is quite expensive
  • Less intuitive interface than some competitors
  • Limited third-party integrations
  • VPN required in some regions
  • Coding generation less robust than GPT-4

💰 Pricing

Claude Opus 4.8: $5/1M input | Sonnet 4.6: $3/1M input

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🧠 Available Models

Claude Opus 4.8

Proprietary

Anthropic's most powerful model (May 2026). Enhanced reasoning, coding, and agentic capabilities. Improved fast mode with lower pricing.

Parameters: Not disclosed
Context: 200K tokens (1M in beta)
📝 text 🖼️ image 📄 document
✅ Top-tier reasoning ✅ Complex coding ✅ Nuanced writing ✅ Agentic tasks ✅ Fast mode
Input: $5/1M tokens ($1.25 cached)
Output: $25/1M tokens ($10 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Opus 4.7

Proprietary

Anthropic's most powerful model (Apr 2026). Breakthrough reasoning, coding, creative writing, and agentic capabilities. Excels at complex multi-step tasks.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image 📄 document
✅ Top-tier reasoning ✅ Complex coding ✅ Nuanced writing ✅ Agentic tasks
Input: $5/1M tokens ($1.25 cached)
Output: $25/1M tokens ($10 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Sonnet 4.6

Proprietary

Balanced model with near-Opus performance at 1/5 the cost. Released Feb 2026. Optimized for enterprise workloads with strong reasoning.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Great value ✅ Fast ✅ Coding ✅ Enterprise ready
Input: $3/1M tokens ($0.75 cached)
Output: $15/1M tokens ($6 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Haiku 4.5

Proprietary

Fast, cost-effective model. Excellent for high-volume real-time applications with low latency.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Fastest ✅ Cheapest ✅ Real-time ✅ High throughput
Input: $0.80/1M tokens ($0.20 cached)
Output: $4/1M tokens ($1.60 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude 4.5 Opus

Proprietary legacy

Previous-generation Opus with strong reasoning. Released Nov 2025, since superseded by Opus 4.7 but still highly capable.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Strong reasoning ✅ Deep analysis ✅ Creative writing
Input: $15/1M tokens
Output: $75/1M tokens
🔌 API Availablevia Anthropic API

API Quickstart Guide

Visit the official API documentation to get started with this tool.

🧠 Available Models

Claude Opus 4.8

Proprietary

Anthropic's most powerful model (May 2026). Enhanced reasoning, coding, and agentic capabilities. Improved fast mode with lower pricing.

Parameters: Not disclosed
Context: 200K tokens (1M in beta)
📝 text 🖼️ image 📄 document
✅ Top-tier reasoning ✅ Complex coding ✅ Nuanced writing ✅ Agentic tasks ✅ Fast mode
Input: $5/1M tokens ($1.25 cached)
Output: $25/1M tokens ($10 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Opus 4.7

Proprietary

Anthropic's most powerful model (Apr 2026). Breakthrough reasoning, coding, creative writing, and agentic capabilities. Excels at complex multi-step tasks.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image 📄 document
✅ Top-tier reasoning ✅ Complex coding ✅ Nuanced writing ✅ Agentic tasks
Input: $5/1M tokens ($1.25 cached)
Output: $25/1M tokens ($10 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Sonnet 4.6

Proprietary

Balanced model with near-Opus performance at 1/5 the cost. Released Feb 2026. Optimized for enterprise workloads with strong reasoning.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Great value ✅ Fast ✅ Coding ✅ Enterprise ready
Input: $3/1M tokens ($0.75 cached)
Output: $15/1M tokens ($6 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude Haiku 4.5

Proprietary

Fast, cost-effective model. Excellent for high-volume real-time applications with low latency.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Fastest ✅ Cheapest ✅ Real-time ✅ High throughput
Input: $0.80/1M tokens ($0.20 cached)
Output: $4/1M tokens ($1.60 cached)
🔌 API Availablevia Anthropic API, Vertex AI, Bedrock

Claude 4.5 Opus

Proprietary legacy

Previous-generation Opus with strong reasoning. Released Nov 2025, since superseded by Opus 4.7 but still highly capable.

Parameters: Not disclosed
Context: 200K tokens
📝 text 🖼️ image
✅ Strong reasoning ✅ Deep analysis ✅ Creative writing
Input: $15/1M tokens
Output: $75/1M tokens
🔌 API Availablevia Anthropic API

API Quickstart Guide

Visit the official API documentation to get started with this tool.

📜 Version History

Oct 2024 Claude 3.5 Haiku

Claude 3.5 Haiku & Computer Use

Released Claude 3.5 Haiku and introduced groundbreaking computer use capability - AI that can control computer interfaces.

Nov 2023 Claude 2.1

Claude 2.1 - 200K Context

Introduced 200K token context window, reduced hallucination rates, and improved accuracy on factual questions.

Mar 2024 Claude 3 Haiku/Sonnet/Opus

Claude 3 Family Launch

Released Claude 3 model family: Haiku (fast), Sonnet (balanced), and Opus (most powerful), setting new benchmarks.

Mar 2023 Claude 1

Claude Launch by Anthropic

Anthropic released Claude, an AI assistant built with constitutional AI principles focused on safety and helpfulness.

Jun 2024 Claude 3.5 Sonnet

Claude 3.5 Sonnet

Mid-year upgrade to Claude 3.5 Sonnet with significant improvements in coding, reasoning, and nuanced understanding.

Jul 2025 Claude 4 Sonnet

Claude 4 Sonnet

Released Claude 4 Sonnet with balanced performance and efficiency, optimized for enterprise workloads.

Jul 2023 Claude 2

Claude 2 Release

Upgraded to Claude 2 with improved performance, longer context windows, and better coding abilities.

Feb 2025 Claude 4 Opus

Claude 4 Opus Launch

Next-generation flagship model with massive improvements in reasoning, creativity, and agentic capabilities.

Dec 2025 Claude 4.5

Claude 4.5 Update

Major update across all Claude models with enhanced safety features, extended context, and improved tool use.

Apr 2026 Claude 5

Claude 5 Preview

Announced Claude 5 with breakthrough reasoning capabilities and autonomous task execution.

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