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Anthropic · anthropic/claude-sonnet-5.5

claude-sonnet-5.5

Researcher 1000k context Hermes Usable
Route cheaper

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...

Input / M
$2.000
Output / M
$10.000
Value score
16.59
30d price Δ
0%
Reasoning (AA)
56
Coding (AA)
—
Tool / agentic
—
Knowledge cutoff
—

Price history

Not enough history yet — newer than the backfill window.

Capability snapshot

Last-known Artificial Analysis indexes via OpenRouter.

IndexScore
context99.6
general_intelligence56.0
reasoning56.0