# Anthropic: Claude Sonnet 4.5

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

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
- License: LicenseRef-Anthropic-Commercial
- Released: 2025-09-29

## Pricing

- Input: $3.00 per million tokens
- Output: $15.00 per million tokens

## Providers

- **anthropic** — ctx 1000000, input $3.00/M, output $15.00/M

## Compatible MCPs

- GitHub (confidence 92/100)
- Linear (confidence 88/100)
- Notion (confidence 85/100)

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/models/claude-sonnet-4-5