LLMCost
~anthropic

Anthropic: Claude Opus Latest API Pricing

Anthropic: Claude Opus Latest costs $4.00 per 1M input tokens and $20.00 per 1M output tokens (cache reads: $0.200). Context window: 1M. Prices verified 2026-10-21 · source

🔔 Price alerts coming soon

Alternatives to consider

🏠 Same provider
Anthropic: Claude Haiku Latest
$0.100 in / $0.500 out

Cheapest ~anthropic model — 97% less per month

Price history
2026-08-23 → 2026-10-21 · 59 daily snapshots
inputoutputinput -20% over windowoutput -20%

Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.

Pricing behavior
2 price changes in the last 59 daily snapshots
Last move (2026-09-23): input -20%
Net input drift: -20% since 2026-08-23

From our own daily snapshot archive — independent of provider announcements.

Input / 1M tokens
$4.00
Output / 1M tokens
$20.00
Context window
1M
Max output
128K

Token economics

Token typePricevs base input
Standard input$4.00—
Cache read$0.200−95%
Cache write (5m)$5.00+25%
Cache write (1h TTL)$8.00+100%
Output$20.00—
Web search tool$10/1k searches—

Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.

Reasoning behavior
Mode: Always on (mandatory)
Effort levels:maxxhighhighmediumlow

Higher effort = deeper thinking = more reasoning tokens billed as output.

What would Anthropic: Claude Opus Latest cost you per month?

WorkloadRequests/moAvg tokens (in/out)Est. monthly cost
Light chatbot10,000800 / 400$112.00
Coding agent5,0008,000 / 2,000$360.00
RAG pipeline30,0004,000 / 500$780.00
Doc summarizer2,00020,000 / 1,000$200.00

Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.

About Anthropic: Claude Opus Latest

This model always redirects to the latest model in the Claude Opus family.

Compare Anthropic: Claude Opus Latest with

Popular head-to-heads — see all on the comparisons index.

Frequently asked questions

How much does Anthropic: Claude Opus Latest cost?

Anthropic: Claude Opus Latest costs $4.00 per 1M input tokens and $20.00 per 1M output tokens; cached input tokens cost $0.200 per 1M. Verified 2026-10-21 — provider source.

What is the context window?

1M tokens, with up to 128K output tokens per response. That's roughly 1250 pages of text in a single request.

Does it support prompt caching?

Yes — cached input is $0.200/1M, about 95% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.

What's a cheaper alternative?

ScaleDown: Summarize saves about 99% on a typical workload with comparable quality.

Official resources