Claude Sonnet 4
Anthropic · Proprietary · Released May 22, 2025 · anthropic/claude-sonnet-4
Best $3.00 in / $15.00 out via Amazon Bedrock
200K contextVisionToolsReasoningPrompt caching
Available from 2 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 11 DAYS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | UPTIME |
|---|---|---|---|---|---|---|---|---|
 Amazon Bedrock | $3.00 | $15.00 | $0.30 | 200K | — | 1.2s | 79 tok/s | 100.0% |
| Amazon Bedrock | $3.00 | $15.00 | $0.30 | 200K | — | — | — | 100.0% |
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 11 days ago
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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
Recent changesRSS ↗
Sep 22, 2026endpoint removed · google5 → 2
Sep 22, 2026context changed1000000 → 200000
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 window200,000
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 API23 minutes ago
AGGREGATORModelIndex benchmarks11 days ago
MEASUREDVerified 23 minutes ago · list prices, not negotiated rates.