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-5Coding 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)
- Stored model catalog — Nov 5, 2026