Best LLM Gateways for Claude Code - Anthropic API Proxy Guide

Top Claude-Compatible Gateways

LiteLLM

Multi-Provider Gateway

9.5/10

Claude Compatibility

LiteLLM provides native support for Claude models through Anthropic's API. It automatically handles the conversion between OpenAI and Anthropic formats, making it seamless to integrate Claude into existing applications. The platform supports all Claude variants including Claude 3 Opus, Sonnet, and Haiku, with full support for Claude's unique features like system prompts, tool use, and vision capabilities.

🔄

Format Conversion

Automatic OpenAI-to-Anthropic message format translation.

⚡

Streaming Support

Full support for Claude's streaming responses.

🛠️

Tool Use

Native support for Claude's function calling.

👀

Vision Support

Image understanding with Claude 3 models.

Claude-Specific Features

System prompt handling optimized for Claude's architecture
Support for Claude's extended thinking mode
Automatic retry with exponential backoff for rate limits
Cost tracking with Claude-specific pricing
Fallback options between Claude model variants

                            
# LiteLLM Claude Configuration
from litellm import completion

# Direct Claude API call
response = completion(
    model="claude-3-opus-20240229",
    messages=[{"role": "user", "content": "Write a Python function"}]
)

# Or use OpenAI-compatible format
response = completion(
    model="claude-3-sonnet-20240229",
    messages=[{"role": "user", "content": "Explain this code"}],
    api_key="your-anthropic-key"
)
                            
                        

Portkey

Enterprise AI Gateway

9.2/10

Claude Compatibility

Portkey offers excellent Claude integration with advanced features like semantic caching that significantly reduces costs for repetitive coding queries. The platform provides intelligent routing between Claude models based on task complexity, automatically selecting the most appropriate model for code generation, debugging, or code review tasks.

💾

Semantic Caching

Cache similar coding queries for faster responses.

🔀

Smart Routing

Auto-select optimal Claude model per task.

📊

Code Analytics

Track code generation usage and quality.

🔒

Secure Keys

Enterprise-grade API key management.

Claude-Specific Features

Automatic prompt optimization for Claude's strengths
Code-specific semantic cache for programming queries
Load balancing across multiple Claude API keys
Real-time monitoring of Claude token usage

                            
# Portkey Claude Configuration
from portkey import Portkey

client = Portkey(
    api_key="portkey-key",
    virtual_key="claude-virtual-key"
)

response = client.completions.create(
    model="claude-3-opus-20240229",
    messages=[{"role": "user", "content": "Debug this function"}]
)
                            
                        

Amazon Bedrock

Cloud Native Integration

9.0/10

Claude Compatibility

Amazon Bedrock provides first-party access to Claude models through AWS infrastructure. Ideal for organizations already using AWS services, offering seamless integration with other AWS tools, enterprise security features, and the ability to fine-tune Claude models for specific coding tasks within your organization's private environment.

☁️

AWS Integration

Native integration with AWS ecosystem.

🔐

Enterprise Security

IAM, VPC, and compliance features.

🎯

Fine-Tuning

Customize Claude for your codebase.

📈

Scalability

Auto-scaling with AWS infrastructure.

Claude-Specific Features

Access to Claude 3 via Bedrock API
Cross-region inference for lower latency
Private model customization options
Integration with AWS Code services

Use Case Recommendations

Code Generation

For generating code snippets, functions, and modules. Requires models with strong programming knowledge and low latency.

Best: LiteLLM with Claude 3 Sonnet

Code Review

For analyzing code quality, finding bugs, and suggesting improvements. Requires deep understanding and context.

Best: Portkey with Claude 3 Opus

IDE Integration

For real-time coding assistance within development environments. Requires fast responses and streaming support.

Best: LiteLLM with Caching

Enterprise Security

For organizations requiring compliance, audit trails, and secure key management for coding tools.

Best: Amazon Bedrock

Multi-Model Strategy

For teams using Claude alongside other LLMs. Requires seamless switching between providers.

Best: LiteLLM or Portkey

Cost Optimization

For reducing API costs while maintaining code quality. Requires caching and smart routing.

Best: Portkey Semantic Cache

Claude Gateway Comparison

Feature	LiteLLM	Portkey	Bedrock
Claude 3 Support	✓ All variants	✓ All variants	✓ All variants
Streaming	✓	✓	✓
Vision	✓	✓	✓
Tool Use	✓	✓	✓
Semantic Cache	Basic	Advanced	—
Open Source	✓	—	—
Self-Host	✓	Limited	—
Free Tier	✓ Self-host	—	AWS free tier

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