Anthropic exposes Claude 3.5 Sonnet v2 through model ID claude-3-5-sonnet-v2. 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
- 1
- 2Use the Anthropic SDK or REST API to call
claude-3-5-sonnet-v2— see the documentation for request format.
Code Examples
Install
pip install anthropicAPI key
ANTHROPIC_API_KEYModel ID
claude-3-5-sonnet-v2Use 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-3-5-sonnet-v2",
max_tokens=1024,
messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)Pricing on Anthropic
Capabilities
VisionMultimodalStructured Outputs
About Claude 3.5 Sonnet v2
Advanced reasoning and coding model with improved performance, supports cached context for cost savings
Model Specs
Released2025-12-01
Context200k
Knowledge cutoff2024-04