Claude Opus 5
Strongest Claude Opus model for coding, agents, and professional work
AnthropicTextHolo rare
Claude Opus 5
Strongest Claude Opus model for coding, agents, and professional work
claude-opus-5- Type
- Text
- Quality
- 98 · Top 2% on the Epoch Capabilities Index
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Input price
- $5.00 / 1M tokens
- Output price
- $25.00 / 1M tokens
- Cache read
- $0.50 / 1M tokens
- Cache write
- $6.25 / 1M tokens
- Released
- Jul 24, 2026
- Knowledge cutoff
- May 2026
- Takes in
- Text, Image, PDF
- Puts out
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- File attachments
- Yes
- Access
- Paid
- License
- Proprietary
- Rarity
- Holo rare
- Set number
- 956/1040
Weights aren’t public. Use is governed by Anthropic’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.anthropic.com.