Skip to content
SPECIFICTION
Get listed

AI model · Anthropic

Claude Sonnet 4.5 (batch)

Model ID: anthropic/claude-sonnet-4.5:batch

Input
$1.50
per 1M tokens
Output
$7.50
per 1M tokens
Context
1M
tokens at once
Max output
64K
tokens per reply
Released
29 Sep 2025
Anthropic
Read 3 Oct 2026

What it can do

  • YesReasoning
  • YesTool calling
  • YesImage input
  • NoOpen weights
  • NoFree to use

Takes text, image, file; gives text.

How its listing describes it

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...

Sources

  • Anthropic: Claude Sonnet 4.5 (batch) on OpenRouter — read 2 Oct 2026