Anthropic API
by Anthropic
Claude models via API
Pricing
Pay-per-token (Opus: $15/$75; Sonnet: $3/$15; Haiku: $0.25/$1.25 per 1M)
Difficulty
beginner
Time to Start
1 hour
Privacy
high
Free Tier
Free: $5 initial credits; rate-limited; all Claude models accessible
Limits: Free: $5 credits; pay-per-use after; rate limits by tier; batch API for 50% cost reduction
When to upgrade: Credit exhaustion; higher rate limits; prompt caching; batch API volume; fine-tuning (emerging)
Use Cases
Chat completions; long-context analysis; tool use; computer use; batch processing; embeddings
Technical Details
Ideal For
Supported Content
Output Formats
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