claude-opus-4-8 — API, Pricing & Context Window | Vivgrid

claude-opus-4-8 — API, Pricing & Context Window

Run Anthropic's claude-opus-4-8 on Vivgrid: the frontier Opus coding model with a 1M-token context window, the Messages API, and geo-distributed acceleration.

claude-opus-4-8 is Anthropic's frontier Opus model and the strongest available choice for agentic coding and complex reasoning. It combines a 1M-token context window with the latest Opus capabilities, served on the Messages API (/messages).

On Vivgrid, claude-opus-4-8 is geo-distributed across AMER, EMEA, and APAC, giving Claude Code-style agents low-latency access worldwide through a single unified API key.

Specifications
Provider Anthropic
Model ID claude-opus-4-8
Best for Coding
Context window 1,000,000 tokens
Max output 128,000 tokens
Modalities Text, Image
Tool / function calling Yes
Knowledge cutoff 2026-01
Acceleration ⚡ Geo-Distributed — AMER, EMEA, APAC

Pricing

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

Input Cached input Output
$5.00 $0.50 $25.00

Quick start

Call claude-opus-4-8 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-4-8",
    "max_tokens": 1024,
    "messages": [\
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }\
    ],
    "stream": true
  }'

Ideal use cases

Related models