Today's price · per 1M tokens
Input
$5.00
per 1M tokens
Output
$25.00
per 1M tokens
Blended
$10.00
blended $/1M — 3:1 weighted input:output
Cached input
$0.500
10% of input — prompt caching
Price receipt
We read Anthropic's own pricing page on and found Claude Opus 4.8 listed with a price on the same row — that read is where the number above comes from. We keep the page text we read; its content hash is fc6089e9bc.
Overview
Anthropic's Opus flagship, refined over 4.7 with broad benchmark gains and a 'dynamic workflows' tool for large multi-step tasks, plus effort control and a faster, cheaper fast mode. $5/$25 per 1M tokens.
Capabilities
struck through = not supportedBenchmark performance
accuracy % · higher is better- AA Intelligence Index: 42 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA-Omniscience Index: 28.8 (−100–100)
- GDPval-AA v2: 1588.3 ELO (Real-world work tasks, human baseline = 1000)
- LMSYS Chatbot Arena: 1481.4 ELO (Human preference)
- Ranks #13 of 84 benchmarked models by average score
- Ranks #10 of 181 comparably-measured models by percentile score, across 11 independent measurements
- Ranks #157 of 181 comparably-tested models by normalized performance per dollar
- Strongest at Humanity's Last Exam — 57.9%, #4 of 65
64.8 tokens/sec output 32.1s latency to first token (TTFT)
Source: Vellum LLM Leaderboard · updated · See full rankings →
Specifications
- Provider
- Anthropic
- Context window
- 1M tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Status
- Current
- Last updated
- Tags
Availability verified: — listed on Anthropic's own page