Claude Sonnet 5

Anthropic · Released Jun 30, 2026

Input price / MTok

$10

Output price / MTok

1.0M

Context window

Tokens / sec

63.2

SWE-bench Pro

81.2

OSWorld

Summary

Claude Sonnet 5 is a proprietary language model from Anthropic, released on Jun 30, 2026.

At $2 input and $10 output per million tokens, it ranks #21 of 40 for input price, placing it mid-range on input cost.

Its context window of 1.0M tokens ranks #16 of 41 for context depth in this dataset.

It targets coding, agents, reasoning workloads.

Throughput is measured at 79 tokens per second (ranked #15 of 23 for throughput).

Default model for Claude Free and Pro plans; adaptive thinking always on.

Benchmarks

Technical specs

Anthropic

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Speed source: https://artificialanalysis.ai/models/claude-sonnet-5