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 5 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 0a25039da1.
Overview
Anthropic's Opus flagship from 2026-07-24, still sold but succeeded by Opus 5.5 on 2026-09-22. Anthropic says it approaches Claude Fable 5's frontier intelligence at about half the price, with state-of-the-art coding and knowledge-work benchmarks and a 2.5x-speed Fast mode. $5/$25 per 1M tokens, full 1M-token context.
Capabilities
struck through = not supportedBenchmark performance
accuracy % · higher is better- AA Intelligence Index: 50.8 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA-Omniscience Index: 37.1 (−100–100)
- GDPval-AA v2: 1735.1 ELO (Real-world work tasks, human baseline = 1000)
- LMSYS Chatbot Arena: 1492.9 ELO (Human preference)
- Ranks #6 of 100 benchmarked models by average score
- Ranks #4 of 195 comparably-measured models by percentile score, across 7 independent measurements
- Ranks #169 of 195 comparably-tested models by normalized performance per dollar
- Strongest at SWE-Bench Verified — 97%, #1 of 40
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