Anthropic · AI model API pricing
How much does Claude Opus 4.8 cost?
Anthropic's flagship Opus tier — matches GPT-5.6 Sol on input price and undercuts it on output.
Rate card
| Input tokens | $5 / 1M |
| Cached input | $0.50 / 1M |
| Output tokens | $25 / 1M |
| Context window | 1M |
What that means per month
| Workload | Tokens / month | Cost / month |
|---|---|---|
| Prototype | 1M in · 0.3M out | $12.5/mo |
| Small app | 10M in · 3M out | $125/mo |
| Production app | 50M in · 15M out | $625/mo |
| High volume | 200M in · 60M out | $2,500/mo |
| Heavy platform | 1B in · 300M out | $12,500/mo |
Standard on-demand rates from Anthropic's official pricing docs, last checked 2026-07-16. Cached-input reads bill at ~10% of the input rate. 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 Opus 4.8 ($125/mo):
-
Kimi K3 $75/mo - Claude Sonnet 5 $75/mo
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GPT-5.6 Terra $70/mo