Claude Opus 4.6
Anthropic
anthropic/claude-opus-4-6
Flagship, strongest reasoning
Context Window
200K
200,000 tokens
Max Output
32K
32,000 tokens
About this model
Claude Opus 4.6 is Anthropic's flagship model, representing the highest reasoning capability in the Claude series. It excels in complex analysis, creative writing, challenging programming, and academic research.
Features a 200K token context window with vision understanding and code generation support. Supports Prompt Caching with cache read pricing at 1/10 of input pricing.
Best suited for professional scenarios with extremely high quality requirements.
Highlights
Strongest in Claude series
200K context
Prompt Caching
Creative & academic writing
Best For
Academic research & papersChallenging programmingComplex data analysisLong document comprehension
2026-02-24TransformerProprietary
Capabilities
ChatVisionReasoningCodepdftoolscache
Aliases
claude-opus-4-6opusopus-4opus-4-6Pricing (per 1M tokens)
| Pricing (per 1M tokens) | / 1M tokens |
|---|---|
| Input / 1M | $5.25 |
| Output / 1M | $26.25 |
| Cache Read | $0.53 |
| Cache Write | $6.56 |
Final prices shown
Quick Start
main.py
import anthropic client = anthropic.Anthropic( base_url="https://api.chuizi.ai/anthropic", api_key="ck-your-key-here", ) message = client.messages.create( model="claude-opus-4-6", max_tokens=1024, messages=[{"role": "user", "content": "Hello!"}] ) print(message.content[0].text)