Anthropic: Claude Sonnet 4 Pricing & Specs
Released: 2025-09-29
OpenRouter Model ID
anthropic/claude-sonnet-4Anthropic: Claude Sonnet 4 is an API-access large language model from Anthropic priced at $3.00/1M input tokens and $15.00/1M output tokens with a 200k context window. Context caching reduces input costs to $0.30/1M for cache reads. Supported capabilities include reasoning and tool calling.
Economics (OpenRouter)
Input / 1M
$3.00
Output / 1M
$15.00
Est. Monthly Cost
$219.42
Based on current usage settings
Cache Read$0.30
Cache Write$3.75
Capabilities (models.dev)
ReasoningSupported
Tool CallSupported
Audio InNo
Audio OutNo
Modalitymultimodal
Context Window200k
Benchmarks (AA)
Intelligence Index
General reasoning and knowledge
—
Coding Index
Code generation & debugging
—
Math Index
Mathematical reasoning
—
Performance
—tokens/sec
* Median output throughput
Model ID: anthropic/claude-sonnet-4 • Data Sources: OpenRouter, Artificial Analysis, models.dev