Claude Sonnet 5 API pricing — what it really costs
Claude Sonnet 5 (Anthropic) costs $2 per 1M input tokens and $10 per 1M output tokens — with prompt caching, cached input drops to $0.200. Cena promocyjna do 31.08.2026; standardowo $3/$15 (cache $0.30). Prices verified 2026-07-05; we track the price you are actually billed today, including promotional rates.
Price per 1M tokens
| Input | Output | Cached input |
|---|---|---|
| $2 | $10 | $0.200 |
Real monthly costs on Claude Sonnet 5
Three realistic workloads, computed from the prices above (cached share billed at the cache-read rate where the provider offers one):
Customer-support chatbot
$6.84/mo
2M input + 0.5M output tokens/month, 60% of input served from prompt cache
RAG / document Q&A
$24.80/mo
20M input + 1M output tokens/month, 70% cached (shared context)
Agentic coding assistant
$78.00/mo
50M input + 5M output tokens/month, 80% cached (long sessions)
Want exact numbers for your usage? Open the calculator — same verified prices, your token volumes.
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FAQ
How much does the Claude Sonnet 5 API cost?
Claude Sonnet 5 costs $2 per 1M input tokens and $10 per 1M output tokens. Cached input tokens cost $0.200 per 1M. Note: Cena promocyjna do 31.08.2026; standardowo $3/$15 (cache $0.30). Pricing verified 2026-07-05.
What does a typical workload cost on Claude Sonnet 5?
Customer-support chatbot: about $6.84/month (2M input + 0.5M output tokens/month, 60% of input served from prompt cache). RAG / document Q&A: about $24.80/month (20M input + 1M output tokens/month, 70% cached (shared context)). Agentic coding assistant: about $78.00/month (50M input + 5M output tokens/month, 80% cached (long sessions))
Is Claude Sonnet 5 expensive compared to other models?
Claude Sonnet 5 ranks #9 of 15 models by blended price in our comparison. The cheapest tracked model is DeepSeek V4 Flash at $0.140/$0.280 per 1M tokens.