Anthropic exposes Claude 3 Opus through model ID claude-3-opus. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-07-26. Next refresh: weekly.
Quick Start
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Code Examples
Install
pip install anthropicAPI key
ANTHROPIC_API_KEYModel ID
claude-3-opusUse the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".
import anthropic
client = anthropic.Anthropic() # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
model="claude-3-opus",
max_tokens=1024,
messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)Pricing on Anthropic
| Type | Price (per 1M) |
|---|---|
| Input tokens | $15.00 |
| Output tokens | $75.00 |
Capabilities
VisionMultimodalReasoningStructured OutputsCode Execution
About Claude 3 Opus
Claude 3 Opus, part of the Claude 3 family by Anthropic, is a cutting-edge large language model (LLM) optimized for high-complexity tasks and exceptional performance. Deprecated January 5, 2026. Migrate to Claude 3.5, 3.7, or 4.x series.
Model Specs
Released2024-03-04
Parameters2T
Context200k
ArchitectureDecoder Only
Knowledge cutoff2023-08