A

Anthropic: Claude 3 Sonnet (20240229)

Anthropic
Vision Tools Streaming
200K
Context
$3.00
Input /1M
$15.00
Output /1M
4K
Max Output
Run API Call Open in Chat

Anthropic: Claude 3 Sonnet (20240229)

Model Overview

Property Value
Model ID anthropic/claude-3-sonnet-20240229
Name Claude 3 Sonnet
Provider Anthropic
Released February 29, 2024

Description

Anthropic's balanced Claude 3 model offering a good combination of capability and speed. Suitable for most general-purpose applications requiring quality responses.

Specifications

Spec Value
Context Window 200,000 tokens
Max Completion 4,096 tokens
Modalities Text, Image

Pricing

Type Price
Input $3.00 per 1M tokens
Output $15.00 per 1M tokens

Capabilities

  • Vision: Yes
  • Tool Use: Yes
  • JSON Mode: Yes
  • Streaming: Yes

Use Cases

General-purpose chat, content creation, analysis, coding assistance.

Integration with LangMart

Gateway Support: Type 2 (Cloud), Type 3 (Self-hosted)

API Usage:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-3-sonnet-20240229",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 4096
  }'
  • anthropic/claude-3-haiku-20240307 - Faster model
  • anthropic/claude-3-opus-20240229 - Most capable

Last Updated: December 28, 2025