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LangMart: Anthropic/claude Sonnet 4.5

Openrouter
Streaming Vision
1M
Context
$3.00
Input /1M
$15.00
Output /1M
64K
Max Output
Run API Call Open in Chat

LangMart: Anthropic/claude Sonnet 4.5

Model Overview

Property Value
Model ID openrouter/anthropic/claude-sonnet-4.5
Name Anthropic/claude Sonnet 4.5
Provider LangMart
Released 2025-12-28

Description

Anthropic/claude Sonnet 4.5 is a capable language model from LangMart for general-purpose text generation and analysis tasks. This model supports multimodal capabilities including vision and image understanding.

Specifications

Spec Value
Context Window 1M tokens
Max Completion 64,000 tokens
Modalities Text

Pricing

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

Capabilities

  • Text Generation: Yes
  • Vision: No
  • Tool Use: No
  • JSON Mode: No
  • Streaming: Yes

Use Cases

  • General text generation
  • Question answering
  • Content creation
  • Analysis and summarization

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": "openrouter/anthropic/claude-sonnet-4.5",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 2048
  }'
  • Variants available on LangMart

Last Updated: 2025-12-28