# Anthropic: Claude Sonnet 4.5 (batch)

Provider: anthropic  
Category: llm  
Model ID: `anthropic/claude-sonnet-4.5:batch`

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...

## Specs

- Context length: 1000000 tokens
- Max output: 64000 tokens
- Modalities: text, image, file
- Released: 2025-09-29

## Pricing

- Input: $1.50 per million tokens
- Output: $7.50 per million tokens

## Verdict

Claude Sonnet 4.5 batch delivers the same reasoning quality as the real-time version at 50% off both input and output tokens. The catch: jobs queue for up to 24 hours, making this strictly for workloads where latency doesn't matter. If you're processing large document sets, running nightly analysis pipelines, or batch-scoring customer interactions, this is the most cost-effective way to access frontier reasoning. Skip it for anything user-facing or time-sensitive.

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Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/models/claude-sonnet-4-5-batch