Claude Opus 4.1
Anthropic · Proprietary · Released Aug 5, 2025 · anthropic/claude-opus-4.1
200K contextVisionToolsReasoningPrompt caching
Available from 2 providersUSD / MTOK · VERIFIED 4 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
| $15.00 | $75.00 | $1.50 | 200K | — | 2.2s | 29 tok/s | 99.7% | |
| $15.00 | $75.00 | $1.50 | 200K | — | 2s | 38 tok/s | 100.0% |
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
Related
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[](https://modelindex.ai/models/anthropic/claude-opus-4.1)Sources
OpenRouter API4 minutes ago
AGGREGATORModelIndex benchmarks44 hours ago
MEASUREDVerified 4 minutes ago · list prices, not negotiated rates.