Claude Opus 4.8 API pricing — what it really costs
Claude Opus 4.8 (Anthropic) costs $5 per 1M input tokens and $25 per 1M output tokens — with prompt caching, cached input drops to $0.500. 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 |
|---|---|---|
| $5 | $25 | $0.500 |
Real monthly costs on Claude Opus 4.8
Three realistic workloads, computed from the prices above (cached share billed at the cache-read rate where the provider offers one):
Customer-support chatbot
$17.10/mo
2M input + 0.5M output tokens/month, 60% of input served from prompt cache
RAG / document Q&A
$62.00/mo
20M input + 1M output tokens/month, 70% cached (shared context)
Agentic coding assistant
$195/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.
Compare Claude Opus 4.8
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FAQ
How much does the Claude Opus 4.8 API cost?
Claude Opus 4.8 costs $5 per 1M input tokens and $25 per 1M output tokens. Cached input tokens cost $0.500 per 1M. Pricing verified 2026-07-05.
What does a typical workload cost on Claude Opus 4.8?
Customer-support chatbot: about $17.10/month (2M input + 0.5M output tokens/month, 60% of input served from prompt cache). RAG / document Q&A: about $62.00/month (20M input + 1M output tokens/month, 70% cached (shared context)). Agentic coding assistant: about $195/month (50M input + 5M output tokens/month, 80% cached (long sessions))
Is Claude Opus 4.8 expensive compared to other models?
Claude Opus 4.8 ranks #12 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.