Claude Opus 4

Provider

Anthropic

VerifiedDeprecated· retires 2026-06-15

Snapshot date

2025-05-14src

Context window

200,000 tokenssrc

Max output

32,000 tokenssrc

Modality

text-in, text-outsrc

• API identifiersverified
• Release / snapshot datenot yet verified
• Context windowverified
• Max output tokensverified
• Modalityverified
• Knowledge cutoffverified
• Featuresverified
• Lifecycleverified
• Pricingverified
• Benchmarksnot yet verified

Canonical

claude-opus-4-20250514

Alias

claude-opus-4-0

AWS Bedrock

anthropic.claude-opus-4-20250514-v1:0

Vertex AI

claude-opus-4@20250514

curl https://api.anthropic.com/v1/messages \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{
    "model": "claude-opus-4-20250514",
    "max_tokens": 1024,
    "messages": [
      { "role": "user", "content": "Hello, Claude Opus 4." }
    ]
  }'

import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic();

const response = await client.messages.create({
  model: "claude-opus-4-20250514",
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello, Claude Opus 4." }],
});

Shown for reference — not a performance recommendation. Refer to the provider's documentation for current request shape, headers, and limits.

Verification queue

Next review for this entity targets re-checking pricing against official provider documentation and confirming lifecycle state. Cadence per field type lives in /docs.