Claude Sonnet 5

anthropic/claude-sonnet-5

Everyday Claude agent model for coding, planning, browsing, and general work

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Context window: 1M
Input: Document · Image · Text
Output: Text
Released: 2026-06-30

Max output: 128K
Knowledge cutoff: 2026-01-31
Weights: Closed
Capabilities: Attachments, Reasoning, Tool call

Pricing

$2.00

USD / 1,000,000 token

Cache write

$2.50 – $4.00

USD / 1,000,000 token

$2.50 · cache TTL: 5m

$4.00 · cache TTL: 1h

Cache read

$0.20

USD / 1,000,000 token

OUT

$10.00

USD / 1,000,000 token

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Performance

Overall capability

54.3/100

Coding: 49.1
Reasoning: 55.5
Professional work: 58.0
Knowledge & language: 53.1


Arena Agent Overall	Professional work	LMArena	2026-11-08
MLCR-AA（Artificial Analysis）Claude Sonnet 5 (Low)	Knowledge & language	Artificial Analysis	2026-11-05
Humanity’s Last ExamClaude Sonnet 5 (Max)	Reasoning	Artificial Analysis	2026-11-05
APEX-Agents 1.1	Professional work	Mercor	2026-11-05
MedCode	Professional work	Vals AI	2026-11-05
Mystery Game Puzzles	Reasoning	Epoch AI	2026-11-05
Code Migration	Coding	Vals AI	2026-11-05
FrontierMath v2 Tiers 1–3	Reasoning	Epoch AI	2026-11-05

Providers

							Cache write
Anthropic	claude-sonnet-5	Anthropic messages	global
OpenRouter	anthropic/claude-sonnet-5	Openai chat	global

ModelRegistry · Catalog updated 2026-11-10