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Anthropic: Claude Opus 4.5

Anthropic
Vision Tools Streaming
200K
Context
$5.00
Input /1M
$25.00
Output /1M
N/A
Max Output
Run API Call Open in Chat

Anthropic: Claude Opus 4.5

Model Overview

Property Value
Model ID anthropic/claude-opus-4-5-20251101
Provider Anthropic
Category Chat
Released TBD
Status Active
Flagship Yes

Description

Claude Opus 4.5 is a conversational AI model designed for multi-turn dialogue and interactive tasks. Developed by Anthropic, this flagship model represents the latest capabilities and state-of-the-art performance.

Specifications

Property Value
Context Window 200000 tokens
Max Output Tokens 8192 tokens
Knowledge Cutoff N/A
Modalities Text
Speed Tier Medium
Quality Tier Flagship

Pricing

Type Price
Input $5.00 per 1M tokens
Output $25.00 per 1M tokens

Capabilities

Capability Supported
Vision/Image Input Yes
Tool/Function Calling Yes
JSON Mode Yes
Streaming Yes
System Prompt Yes

Use Cases

  • Conversational AI and chatbots
  • Customer support automation
  • Interactive content generation
  • Real-time dialogue systems
  • Multi-turn reasoning and problem-solving

Strengths

  • Highest quality and most capable model in its class
  • Balanced performance for most use cases
  • Massive context window for extended document processing
  • Vision capabilities for image understanding and analysis
  • Function calling for structured tool integration
  • JSON mode for reliable structured output

Limitations

  • Requires appropriate use cases matching model specialization
  • Performance depends on prompt quality and task complexity

Integration with LangMart

Gateway Support:

  • Type 1 (Full Platform): Yes
  • Type 2 (Cloud Gateway): Yes
  • Type 3 (Self-hosted): Yes

API Endpoint:

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-opus-4-5-20251101",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 1024
  }'

OpenAI Compatibility: Full compatibility with OpenAI API format.

Models in this category and from this provider are available in the LangMart marketplace.

Additional Resources

Data Source: LangMart Provider Models Database Last Updated: 2026-01-02