AnthropicClosed

Claude Sonnet 5

Name: Claude Sonnet 5
Author: Anthropic

#28 of all models across the language-model boards.

#28

Overall rank

4.7

Podium score

Board wins

Jun 30, 2026

Released

·Chat ·Reasoning 6Coding ·Agents and tools ·Vision ·Speed ·Price ·Usage

Chat

Which model people prefer in blind head-to-head conversations.

Text Arena

1,461 · of 100

as “claude-sonnet-5-high”

Reasoning

Hard questions with checkable answers: science, math, puzzles, expert exams.

AA Intelligence

38.2 · of 100

as “Claude Sonnet 5 (Adaptive Reasoning, Max Effort)”

as “claude-sonnet-5_xhigh”

LiveBench

76.0% · of 59

as “claude-sonnet-5-xhigh-effort”

Coding

Fixing real repositories, building web apps, editing code.

SWE-Bench Pro

88.2% · of 11

as “Sonnet 5 (Claude Code) xhigh”

WebDev Arena

1,538 · of 100

as “claude-sonnet-5-high”

Agents and tools

Calling functions and tools, using MCP servers, searching the web.

Search Arena

1,194 · of 33

as “claude-sonnet-5-search”

Vision

Understanding images, charts and documents.

Document Arena

1,466 · of 38

as “claude-sonnet-5-high”

Vision Arena

1,266 · of 100

as “claude-sonnet-5-high”

Speed

Output tokens per second on the vendor API.

AA Speed

79 tok/s · of 24

as “Claude Sonnet 5 (Adaptive Reasoning, Max Effort)”

Price

Blended API price per million tokens, cheapest first.

AA Price

$4.00 · of 27

as “Claude Sonnet 5 (Adaptive Reasoning, Max Effort)”

Usage

What developers actually send tokens to.

OpenRouter

1.5T tok · of 19

as “anthropic/claude-sonnet-5-20260630”

More from Anthropic

Claude Opus 5.5 Claude Fable 5.1 Claude Opus 5 Claude Fable 5 Claude Opus 4.8 Claude Opus 4.7 Claude Sonnet 4.6 Claude Opus 4.6

Scores as published by each board on the capture date. Model names and logos belong to their owners; logos via logo.dev.