018 Off B0c20ea6

Batch API Quick Reference

50% off all API costs for non-urgent tasks

When to Use

✅ Good for:

• Bulk translations
• Daily content generation
• Overnight report processing
• Large-scale data analysis

❌ Not for:

• Real-time chat
• Immediate responses
• Interactive applications

Pricing (50% Off)

Limits

• Max requests per batch: 100,000
• Max batch size: 256 MB
• Processing time: Up to 24 hours (usually < 1 hour)
• Results available: 29 days

Basic Usage

import anthropic
client = anthropic.Anthropic()

# Create batch
batch = client.messages.batches.create(
    requests=[
        {
            "custom_id": "task-001",
            "params": {
                "model": "claude-sonnet-4-5",
                "max_tokens": 1024,
                "messages": [{"role": "user", "content": "Hello"}]
            }
        }
    ]
)

# Check status
batch = client.messages.batches.retrieve(batch.id)
print(batch.processing_status)  # "in_progress" or "ended"

# Get results
for result in client.messages.batches.results(batch.id):
    print(f"{result.custom_id}: {result.result.message.content[0].text}")

Status Values

Source: Anthropic Batch Processing Docs