Claude Sonnet 4.5 (batch)on Krater.ai

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with

Released September 29, 2025

Specifications

Claude Sonnet 4.5 (batch) at a glance

Context

1M tokens

Max output

64K tokens

Input

Text, Image, File

Output

Text

Input price

$1.50 / 1M

Output price

$7.50 / 1M

Knowledge cutoff

2025-01-31

Image inputTool callingStructured outputsReasoning supportProvider moderated

Capabilities

What it is good at

Catalog capabilities

  • Accepts image input
  • Generates text responses
  • Supports tool calling
  • Supports structured outputs

Good for

Image understandingLong documentsUse with toolsStructured responsesDeep analysis

Benchmarks

Catalog data, not Krater benchmarks.

Coding index score

52.1

Agentic index score

26.4

Intelligence index score

37.4

Design Arena asciiart rank

#15

Design Arena mobileapps rank

#21

FAQ

Questions about Claude Sonnet 4.5 (batch)

Clear answers based on the model catalog and Krater access.

Claude Sonnet 4.5 (batch) supports a context window of 1,000,000 tokens.

Use Claude Sonnet 4.5 (batch) in your API

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API access

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