Claude API vs OpenAI API
LLM API Providers pricing comparison · 2026
Claude API pricing ranges from $0.03–$75/per million tokens, while OpenAI API ranges from $0.02–$270/per million tokens. Claude API is typically 72% more affordable, though your actual cost depends on tier and team size.
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Claude API and OpenAI API are two leading LLM API providers. This page compares their per-token pricing, available models, and tier structure so you can pick the right backend for your workload — whether you're optimizing for cost per 1M tokens, latency, or model quality.
Plan-by-Plan Pricing
| Plan | Claude API | OpenAI API |
|---|---|---|
| API (Pay-as-you-go) | Custom | Custom |
| Enterprise | Custom | Custom |
| Enterprise | — | Custom |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Claude API
5 scenarios$5.00/month
Lightweight Chatbot (Haiku 4)
$45.00/month
Mid-Scale App (Sonnet 4)
$52.50/month
Heavy Reasoning (Opus 4)
OpenAI API
4 scenarios$9.00/month
High-Volume Chatbot (nano)
$26.00/month
Production App (GPT-4.1)
$13.00/month
Reasoning Tasks (o3)
Contract Terms
| Term | Claude API | OpenAI API |
|---|---|---|
| Auto-renewal | — | — |
| Cancellation | — | — |
| Minimum commitment | — | — |