Claude Sonnet 4.5
Claude Sonnet 4.5 is a text model from 
Vercel AI Gateway with a context window of 1.0M tokens and max output of 64K tokens. Pricing starts at 3.00 per million input tokens and 15.00 per million output tokens (cheapest at Databricks).
Capabilities
✓ Vision✓ Function Calling✓ Reasoning✗ JSON Schema✗ System Messages✗ Web Search✓ Prompt Caching✗ Audio Input✗ Audio Output
Specifications
| Model Key | vercel_ai_gateway/anthropic/claude-sonnet-4.5 |
| Provider | Vercel AI Gateway |
| Provider ID | vercel_ai_gateway |
| Mode | Text |
| Canonical Name | claude-sonnet-4.5 |
| Context Window | 1.0M tokens |
| Max Output | 64K tokens |
Pricing
| Type | Per 1K Tokens | Per 1M Tokens |
|---|---|---|
| Input Tokens | 0.0030 | 3.00 |
| Output Tokens | 0.015 | 15.00 |
| Cache Read (Input) | 0.000300 | 0.300 |
| Cache Write (Input) | 0.0038 | 3.75 |
Price Comparison by Provider
Compare prices for Claude Sonnet 4.5 across different providers. The same model may be available through multiple providers at different price points.
Provider | Model Key | Input Price, $ | Output Price, $ |
|---|---|---|---|
 Anthropic (Vertex AI) | vertex_ai/claude-sonnet-4-5 | 3.00 | 15.00 |
| Vercel AI Gateway | vercel_ai_gateway/anthropic/claude-sonnet-4.5 | 3.00 | 15.00 |
 Replicate | replicate/anthropic/claude-4.5-sonnet | 3.00 | 15.00 |
 Perplexity | perplexity/anthropic/claude-sonnet-4-5 | N/A | N/A |
 OpenRouter | openrouter/anthropic/claude-sonnet-4.5 | 3.00 | 15.00 |
 GMI Cloud | gmi/anthropic/claude-sonnet-4.5 | 3.00 | 15.00 |
 GitHub Copilot | github_copilot/claude-sonnet-4.5 | N/A | N/A |
 Databricks | databricks/databricks-claude-sonnet-4-5 | 3.00 | 15.00 |
 AWS Bedrock | claude-sonnet-4-5-20250929-v1:0 | 3.00 | 15.00 |
 Anthropic | claude-sonnet-4-5 | 3.00 | 15.00 |
 Azure AI | azure_ai/claude-sonnet-4-5 | 3.00 | 15.00 |
 AWS Bedrock | anthropic.claude-sonnet-4-5-20250929-v1:0 | 3.00 | 15.00 |
All Variants
All available versions, regions, and API endpoints for Claude Sonnet 4.5.
Model Key | Provider | Mode | Input Price, $ | Output Price, $ | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| claude-sonnet-4-5 | Anthropic | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| claude-sonnet-4-5-20250929 | Anthropic | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| vertex_ai/claude-sonnet-4-5 | Anthropic (Vertex AI) | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| vertex_ai/claude-sonnet-4-5@20250929 | Anthropic (Vertex AI) | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| au.anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 64K | yes | yes |
| bedrock/us-gov-east-1/claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 4K | yes | yes |
| bedrock/us-gov-west-1/claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 4K | yes | yes |
| claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| eu.anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 64K | yes | yes |
| global.anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| jp.anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 64K | yes | yes |
| us.anthropic.claude-sonnet-4-5-20250929-v1:0 | AWS Bedrock | Text | 3.30 | 16.50 | 200K | 64K | yes | yes |
| azure_ai/claude-sonnet-4-5 | Azure AI | Text | 3.00 | 15.00 | 200K | 64K | yes | yes |
| databricks/databricks-claude-sonnet-4-5 | Databricks | Text | 3.00 | 15.00 | 200K | 64K | no | yes |
| github_copilot/claude-sonnet-4.5 | GitHub Copilot | Text | N/A | N/A | 128K | 16K | yes | yes |
| gmi/anthropic/claude-sonnet-4.5 | GMI Cloud | Text | 3.00 | 15.00 | 410K | 32K | yes | yes |
| openrouter/anthropic/claude-sonnet-4.5 | OpenRouter | Text | 3.00 | 15.00 | 1.0M | 1.0M | yes | yes |
| perplexity/anthropic/claude-sonnet-4-5 | Perplexity | Other | N/A | N/A | N/A | N/A | no | yes |
| replicate/anthropic/claude-4.5-sonnet | Replicate | Text | 3.00 | 15.00 | N/A | N/A | yes | yes |
| vercel_ai_gateway/anthropic/claude-sonnet-4.5 | Vercel AI Gateway | Text | 3.00 | 15.00 | 1.0M | 64K | yes | yes |