MiscSubjects

Anthropic: Claude Sonnet 5

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work.

AnthropicClaude Sonnet 5
anthropic/claude-sonnet-5
2026-06-30text+image+file->textreasoning: max / xhigh / high / medium / low / none
Coding index
71.5
Artificial Analysis
Agentic index
43.6
Artificial Analysis
Design Arena
1172 Elo · #8
agenticgamedev · 51.7% wins
Input
$2
per 1M tokens
Output
$10
per 1M tokens
Cached input
$0.20
per 1M tokens
Context
1M
tokens it reads
Max output
128K
tokens it writes
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
inspect — the catalog entry
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References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/anthropic/claude-sonnet-5
Model id
anthropic/claude-sonnet-5
Name
Anthropic: Claude Sonnet 5
Description
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work.
Family
anthropic
Canonical slug
anthropic/claude-sonnet-5-20260630
Price in
2
Price out
10
Price cache read
0.19999999999999998
Price cache write
2.5
Price cache write 1h
4
Price web search
10000
Price overrides
[]
Context
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Max completion tokens
128000
Modality
text+image+file->text
Input modalities
["text","image","file"]
Output modalities
["text"]
Tokenizer
Claude
Knowledge cutoff
null
Created
1782843083
Moderated
true
Params
["include_reasoning","max_completion_tokens","max_tokens","reasoning","reasoning_effort","response_format","stop","structured_outputs","tool_choice","tools","verbosity"]
Default parameters
{}
Tools
true
Reasoning
true
Reasoning efforts
["max","xhigh","high","medium","low","none"]
Reasoning default effort
high
Reasoning mandatory
false
Reasoning default enabled
true
Vision
true
Expiration date
null
Page dataOpen JSON
page.json
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