Claude Opus 4
Anthropic
The flagship of Anthropic's first Claude 4 generation (May 2025), built for complex reasoning and long-horizon agentic coding. Deprecated and scheduled for retirement on June 15, 2026 in favor of Claude Opus 4.7.
Strengths
- First Claude 4 flagship with strong long-horizon agentic coding
- Extended thinking for complex multi-step reasoning
- 200K context with vision and robust tool use
Caveats
- Deprecated - retiring June 15, 2026; migrate to Opus 4.7
- Premium pricing ($15/$75) versus later Opus 4.5+ at $5/$25
- 32K max output and 200K context trail the newest models
- Vendor
- Anthropic
- Context Window
- 200,000 tokens
- Max Output
- 32,000 tokens
- License
- Proprietary
- Release Date
- 2025-05-22
- Training Cutoff
- 2025-03-31
- Modalities
- textimage
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
$15 per 1M input tokens, $75 per 1M output tokens. Prompt caching and Batch API (50% off) available.