Anthropic has released Claude Opus 4, their most advanced AI model to date. Key improvements include:
- Enhanced reasoning: Significantly better at complex, multi-step problems
- Improved coding: Near-perfect scores on HumanEval+ benchmarks
- Longer context: 200K token window maintained
- Better instruction following: More reliable adherence to complex prompts
Pricing remains at $15/M input and $75/M output tokens, making it a premium option for demanding tasks.
Recommendation: Use for research, complex analysis, and high-stakes coding projects. For routine tasks, Claude Sonnet 4 offers better value.