claude-opus-4-6 — API, Pricing & Context Window | Vivgrid

claude-opus-4-6 is a high-end Anthropic Opus model built for demanding coding and reasoning tasks. With a 1M-token context window and the Messages API, it excels at understanding large codebases and producing careful, well-structured edits.

Vivgrid accelerates claude-opus-4-6 across AMER and EMEA, so agent workloads get consistent, low-latency performance through one API key and billing surface.

Specifications

Pricing

Pricing in USD per 1M tokens, matching the provider's rates.

Quick start

Call claude-opus-4-6 through Vivgrid's unified, OpenAI-compatible endpoint. Get an API key from the Vivgrid Console.

curl https://api.vivgrid.com/v1/messages \
  -H "Authorization: Bearer $VIVGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-6",
    "max_tokens": 1024,
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'

Ideal use cases

• Agentic coding and whole-repository refactors
• Careful reasoning over long documents and specs
• Tool-calling agents needing dependable structured output
• Workloads that value Claude's writing and analysis quality

Related models

• claude-opus-4-7 — the newer Opus release
• claude-sonnet-4-6 — faster, cheaper sibling
• claude-haiku-4-5 — the fastest Claude tier