Foundation Model API | Verified 2026-06-30
Anthropic Claude API pricing and capability profile.
Check Claude API pricing, context windows, retention, rate limits, security posture, and model alternatives.
Pricing, limits, security, and retention
| Pricing | Usage-based API pricing varies by Claude model, input tokens, output tokens, caching, batch options, and cloud partner route. |
|---|---|
| Free tier | No stable public free API tier should be assumed for production. Console trials or promotional access can differ by account. |
| Model provider | Anthropic |
| Context length | Varies by Claude model. Use the model docs for the selected production model because context windows and feature access can change. |
| API availability | Public API with messages, tools, streaming, batch, files, prompt caching, and SDK support, plus availability through selected cloud platforms. |
| Rate limits | Limits are documented by usage tier, model, requests, tokens, and acceleration rules. Production services should implement retries and quota monitoring. |
| SOC2/security page | Anthropic publishes trust and security information. SOC 2 report access may require trust-center or customer review access. |
| Data retention terms | Anthropic says it does not train on API inputs or outputs by default. Support documentation has described normal API input and output deletion within 30 days unless safety, legal, or policy exceptions apply. |
| Target users | Teams needing strong writing, coding, long-context analysis, document review, tool use, and enterprise-oriented model governance. |
| Alternatives | OpenAI API, Google Gemini API, AWS Bedrock, Azure OpenAI Service, Mistral AI API, Cohere |
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