Anthropic/claude-opus-4-6/Released Feb 2026

Claude Opus 4.6

Coding and agents, 1M context

Commercial use
Text

About Claude Opus 4.6

Claude Opus 4.6 is a Multimodal LLM designed for coding, enterprise agents, and professional work. It excels in reasoning, planning, software engineering, agentic tasks, and long context processing, with features like adaptive thinking that adjusts reasoning effort by task complexity.

Some other noteworthy features of Claude Opus 4.6 include image processing for analyzing charts and diagrams, context compaction for extended conversations, and computer use for multi-step workflows.

MetricValue
Context Length1,000,000 tokens
MultilingualYes

Ready to build with Claude Opus 4.6?

Try Claude Opus 4.6 in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.

curl -sSf -X POST https://hub.oxen.ai/api/ai/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "claude-opus-4-6",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'

API endpoint

See the API reference for request and response formats.

POSThttps://hub.oxen.ai/api/ai/chat/completions