Claude 3 Opus

Anthropic chatvision Long Free

API ID: anthropic/claude-3-opus

Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About Claude 3 Opus

Claude 3 Opus is Anthropic's most powerful model for complex, nuanced tasks requiring the highest level of AI intelligence. Released in March 2024, Opus demonstrated near-human comprehension on challenging benchmarks and excels at sophisticated analysis, creative writing, and tasks requiring deep understanding. The model features a 200K context window—enough to process entire books or extensive codebases in a single conversation. Claude 3 Opus is particularly valued for research synthesis, complex document analysis, strategic planning, and creative projects requiring exceptional quality. It handles ambiguous instructions gracefully and produces thoughtful, well-reasoned responses that often anticipate follow-up questions. While Claude 3.5 Sonnet has since matched or exceeded Opus on many benchmarks at lower cost, Opus remains the choice for users who prioritize maximum capability and are willing to pay premium pricing for the most thorough, careful responses. It's ideal for high-stakes applications in legal, medical, and research contexts where the quality of AI output directly impacts important decisions.

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Price Ranking
#1 lowest price among 599 Chat models — Top 20% cheapest!

Model Specifications

Context Length
200k
Max Output
Release Date
2024-03-05
Capabilities
chat vision
Input Modalities
textimage
Output Modalities
text

Best For

  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance
🎉

This model is completely free!

No token costs - use it without worrying about API bills.

Estimate Token Usage

Anthropic Model Lineup

Compare all models from Anthropic to find the best fit

Model Input Output Context Capabilities
Claude 3 Opus Current Free Free 200k chat vision
Claude 3 Sonnet Free Free 200k chat vision
Claude v2 Free Free 200k chat
Claude Instant v1.1 Free Free 100k chat
Claude v2.1 Free Free 200k chat
Claude Instant v1 Free Free 100k chat

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🚀 Quick Start

Get started with Claude 3 Opus API

Anthropic Python SDK
import anthropic

client = anthropic.Anthropic()

message = client.messages.create(
    model="anthropic/claude-3-opus",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(message.content[0].text)