🤖 AI Tools· Source: Anthropic Blog
🧠Anthropic Launches Claude 4: Major Leap in Coding and Reasoning
Anthropic officially released the Claude 4 family including Opus 4 and Sonnet 4, surpassing the previous generation in code generation, long-context understanding, and safety.
Claude 4 Official Launch
Anthropic released the Claude 4 series in July 2026, its most capable model family to date.
Core Upgrades
Claude Opus 4
- Dramatically improved coding: scored over 72% on SWE-bench, far surpassing previous generations
- 200K token context window for processing entire codebases or long contracts
- Supports complex multi-step Agent tasks, autonomously handling end-to-end workflows
Claude Sonnet 4
- Best price-to-performance for everyday tasks
- 3-5x faster than Opus 4, ideal for high-concurrency API calls
- Comprehensive improvements in writing, analysis, and translation
Access
- Web: claude.ai (VPN required outside supported regions)
- API: via Anthropic API
- Claude Code: CLI tool for developers