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Claude Sonnet 4.5

model claude-sonnet-4-5

Draft entry — numbers not yet verified against primary sources.

200K
context
64K
max output
$3.00/M
input
$15.00/M
output
2025-07
knowledge cutoff
4
providers

01Providers

ProviderProvider model IDIn $/MOut $/MContextStatus
Anthropic API claude-sonnet-4-5 3.00 15.00 200K live
AWS Bedrock global.anthropic.claude-sonnet-4-5-20250929-v1:0 3.00 15.00 200K live
Google Vertex AI claude-sonnet-4-5@20250929 3.00 15.00 200K live
OpenRouter anthropic/claude-sonnet-4.5 3.00 15.00 200K live

Dimmed prices are canonical — this provider's own quote isn't captured yet.

02Invoke

provider
language

  

  



03Benchmarks · vendor-reported unless verified
SWE-bench Verified vendor-reported77.2%




04Related
Claude Sonnet 52026-06Claude Sonnet 4.62026-02Claude Sonnet 42025-05Claude Sonnet 4 (latest)2025-05Claude Opus 52026-07Claude Fable 52026-06


05Sources · where these numbers come from
  1. https://www.anthropic.com/news/claude-sonnet-4-5
  2. https://github.com/sst/models.dev
  3. https://docs.claude.com/en/docs/about-claude/models
  4. https://www.anthropic.com/news
  5. https://docs.claude.com
  6. https://docs.aws.amazon.com/bedrock/
  7. https://cloud.google.com/vertex-ai/generative-ai/docs
  8. https://openrouter.ai/docs
  9. https://openrouter.ai/anthropic/claude-sonnet-4.5