Models/Anthropic/Claude Opus 4.1

Claude Opus 4.1

Anthropic · Proprietary · Released Aug 5, 2025 · anthropic/claude-opus-4.1
CompareEstimate cost
200K contextVisionToolsReasoningPrompt caching
Available from 2 providersUSD / MTOK · VERIFIED 4 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
PROVIDERINPUTOUTPUTCACHECONTEXTQUANTTTFTTPSUPTIME
TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 44 hours ago
Pricing variants · USD / MTok in / out
STANDARD
$15.00 / $75.00
per MTok in / out
BATCH
$7.50 / $37.50
async batch
CACHE READ $1.50CACHE WRITE $18.75WEB SEARCH $0.01 / searchCACHE WRITE 1H $30.00 / MTok
About

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

Specifications
Context window200,000
Max output32,000
Modalities inimage, text, file
Modalities outtext
LicenseProprietary
ReleasedAug 5, 2025
Knowledge cutoff2025-01-31
TokenizerClaude
Embed badge
Claude Opus 4.1 price and speed badge[![Claude Opus 4.1](https://modelindex.ai/badge/anthropic/claude-opus-4.1)](https://modelindex.ai/models/anthropic/claude-opus-4.1)
Sources
OpenRouter API4 minutes ago
AGGREGATOR
ModelIndex benchmarks44 hours ago
MEASURED
Verified 4 minutes ago · list prices, not negotiated rates.