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Anthropic

Claude Sonnet 5.5 balanced

anthropic/claude-sonnet-5-5

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 / 1M

$2.00

USD per million tokens

Output / 1M

$10.00

USD per million tokens

Est. cost / token

$0.000004

$4.00 per 1M, 3:1 mix

Context window

1M

max output 128K

Major features

VisionBatchComputer usePDFCachingReasoningJSON schemaToolsWeb search

Task suitability (heuristic 1–5, not a benchmark)

  • coding4
  • reasoning4
  • math4
  • summarization4
  • extraction4
  • classification4
  • chat4
  • creative4
  • translation4
  • vision4
  • long context5
  • agentic4

Price history

RecordedInputOutputCachedSource
2026-11-05 03:20$2.00$10.00$0.10litellm+openrouter

A row is added whenever a sync detects a price change. Vendor pricing source

Pricing (USD per 1M tokens)

Input
$2.00
Output
$10.00
Cached input
$0.10
Batch input
$1.00
Batch output
$5.00
Blended (3:1)
$4.00

Details

Company
Anthropic
Version
5.5
Family
Claude
Released
2026-09-28
Parameters
Undisclosed
Max output
128K
Open weights
No
Inputs
file, image, text
Last synced
25 min ago