AnthropicAnthropic

Claude Sonnet 4.6

Ideal balance of intelligence and speed

Claude Sonnet 4.6 strikes the sweet spot between capability and cost. It delivers near-Opus performance on most tasks at a fraction of the price, making it the recommended model for most production applications.

Try Claude Sonnet 4.6

Specifications

Context window200k tokens
Input price$3.00 / 1M tokens
Output price$15.00 / 1M tokens
Credits per query3 cr
Released2025-01
LicenseProprietary

Features

VisionTool useJSON modeFunction callingCode

Benchmark Scores

What do these mean?

Sourced from official model cards and academic papers. Higher is better.

PhD-level science & reasoning

61%

Mathematical olympiad problems

52%

Chatbot Arena human preference ranking

1312

Python coding — pass@1 rate

93%

Competition-level mathematics

80%

General knowledge across 57 academic domains

89%

Multi-turn instruction following (out of 10)

Real-world GitHub issue resolution rate

70.3%