Claude Sonnet 4
Anthropic · Proprietary · Released May 22, 2025 · anthropic/claude-sonnet-4
1M contextVisionToolsReasoningPrompt caching
Available from 5 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 |
|---|---|---|---|---|---|---|---|---|
 Google | $3.00 | $15.00 | $0.30 | 1M | — | 0.69s | 42 tok/s | 100.0% |
| Google | $3.00 | $15.00 | $0.30 | 1M | — | — | — | — |
 Amazon Bedrock | $3.00 | $15.00 | $0.30 | 200K | — | 1.1s | 77 tok/s | — |
| Google | $3.00 | $15.00 | $0.30 | 1M | — | — | — | — |
| Amazon Bedrock | $3.00 | $15.00 | $0.30 | 200K | — | — | — | 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
$3.00 / $15.00
per MTok in / out
CACHE READ $0.30CACHE WRITE $3.75WEB SEARCH $0.01 / searchCACHE WRITE 1H $6.00 / MTok
About
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Specifications
Context window1,000,000
Max output64,000
Modalities inimage, text, file
Modalities outtext
LicenseProprietary
ReleasedMay 22, 2025
Knowledge cutoff2025-01-31
TokenizerClaude
Related
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[](https://modelindex.ai/models/anthropic/claude-sonnet-4)Sources
OpenRouter API4 minutes ago
AGGREGATORModelIndex benchmarks44 hours ago
MEASUREDVerified 4 minutes ago · list prices, not negotiated rates.