All Models

Claude Sonnet 4.5

Reasoning Tool Calling Attachments Structured Output

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...

Providers 20
Released Jan 15, 2025
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (20)

Provider Model ID Input Cost Output Cost Context Max Output Docs
GitHub Copilot claude-sonnet-4.5 $0.00/MTok $0.00/MTok 144K 32K
QiHang claude-sonnet-4-5-20250929 $0.43/MTok $2.14/MTok 200K 64K
Poe anthropic/claude-sonnet-4.5 $2.60/MTok $13.00/MTok 983.0K 32.8K
NanoGPT claude-sonnet-4-5-20250929 $2.99/MTok $14.99/MTok 1M 64K
Abacus claude-sonnet-4-5-20250929 $3.00/MTok $15.00/MTok 200K 64K
Perplexity Agent anthropic/claude-sonnet-4-5 $3.00/MTok $15.00/MTok 200K 64K
OpenRouter anthropic/claude-sonnet-4.5 $3.00/MTok $15.00/MTok 1M 64K
ZenMux anthropic/claude-sonnet-4.5 $3.00/MTok $15.00/MTok 1M 64K
OpenCode Zen claude-sonnet-4-5 $3.00/MTok $15.00/MTok 1M 64K
Amazon Bedrock anthropic.claude-sonnet-4-5-20250929-v1:0 $3.00/MTok $15.00/MTok 200K 64K
Firmware claude-sonnet-4-5 $3.00/MTok $15.00/MTok 200K 64K
Azure Cognitive Services claude-sonnet-4-5 $3.00/MTok $15.00/MTok 200K 64K
Vertex (Anthropic) claude-sonnet-4-5@20250929 $3.00/MTok $15.00/MTok 200K 64K
Requesty anthropic/claude-sonnet-4-5 $3.00/MTok $15.00/MTok 1M 64K
Vercel AI Gateway anthropic/claude-sonnet-4.5 $3.00/MTok $15.00/MTok 200K 64K
LLM Gateway claude-sonnet-4-5 $3.00/MTok $15.00/MTok 200K 64K
Azure claude-sonnet-4-5 $3.00/MTok $15.00/MTok 200K 64K
Anthropic claude-sonnet-4-5-20250929 $3.00/MTok $15.00/MTok 200K 64K
AIHubMix claude-sonnet-4-5 $3.30/MTok $16.50/MTok 200K 64K
Venice AI claude-sonnet-45 $3.75/MTok $18.75/MTok 198K 49.5K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output