Anthropic · AI model API pricing
How much does Claude Sonnet 5 cost?
Anthropic's speed/intelligence balance — near-Opus coding quality at Sonnet rates.
Rate card
| Input tokens | $3 / 1M |
| Cached input | $0.30 / 1M |
| Output tokens | $15 / 1M |
| Context window | 1M |
What that means per month
| Workload | Tokens / month | Cost / month |
|---|---|---|
| Prototype | 1M in · 0.3M out | $7.50/mo |
| Small app | 10M in · 3M out | $75/mo |
| Production app | 50M in · 15M out | $375/mo |
| High volume | 200M in · 60M out | $1,500/mo |
| Heavy platform | 1B in · 300M out | $7,500/mo |
Standard on-demand rates from Anthropic's official pricing docs, last checked 2026-07-16. Introductory pricing of $2 in / $10 out per 1M runs through Aug 31, 2026; figures here use the standard rate that applies after. Monthly figures exclude caching and batch discounts. Confirm live pricing before committing.
Cheaper alternatives
At a reference workload of 10M input / 3M output tokens a month, these cost less than Claude Sonnet 5 ($75/mo):
-
GPT-5.6 Terra $70/mo -
Gemini 3.1 Pro $56/mo - Gemini 3.5 Flash $42/mo