Safe and helpful AI assistant API
0.25
Fast and affordable
3
Best balance of speed and intelligence
15
Most capable for complex tasks
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Write a ReviewClaude API uses pay-per-token pricing. Claude 3 Haiku: $0.25/1M input tokens. Claude 3.5 Sonnet: $3/1M input tokens. Claude 3 Opus: $15/1M input tokens. Output tokens cost more. Most users find Sonnet the best value.
Claude is free to use at claude.ai with usage limits. The API requires payment, but costs are reasonable. There's no free API tier, but the pay-as-you-go model means you only pay for what you use.
Claude excels at coding, long documents (200K context), and nuanced writing. ChatGPT (GPT-4o) is better at general tasks and has image generation. Claude is often preferred for technical work, ChatGPT for creative and general use.