Claude Sonnet 4.5
OpenRouterText
Claude Sonnet 4.5 is a text model from OpenRouter with a context window of 1.0M tokens and max output of 1.0M tokens. Pricing starts at $3.00 per million input tokens and $15.00 per million output tokens (cheapest at Databricks).
Specifications
| Model Key | openrouter/anthropic/claude-sonnet-4.5 |
| Provider | OpenRouter |
| LiteLLM Provider | openrouter |
| Mode | Text |
| Canonical Name | claude-sonnet-4.5 |
| Context Window | 1.0M tokens |
| Max Output | 1.0M tokens |
Capabilities
✓ Vision✓ Function Calling✓ Reasoning✗ JSON Schema✗ System Messages✗ Web Search✓ Prompt Caching✗ Audio Input✗ Audio Output
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 |
|---|---|---|---|
| Replicate | replicate/anthropic/claude-4.5-sonnet | $3.00 | $15.00 |
| AWS Bedrock | anthropic.claude-sonnet-4-5-20250929-v1:0 | $3.00 | $15.00 |
| Azure AI | azure_ai/claude-sonnet-4-5 | $3.00 | $15.00 |
| Anthropic | claude-sonnet-4-5 | $3.00 | $15.00 |
| AWS Bedrock | claude-sonnet-4-5-20250929-v1:0 | $3.00 | $15.00 |
| Github Copilot | github_copilot/claude-sonnet-4.5 | N/A | N/A |
| Gmi | gmi/anthropic/claude-sonnet-4.5 | $3.00 | $15.00 |
| OpenRouter | openrouter/anthropic/claude-sonnet-4.5 | $3.00 | $15.00 |
| Anthropic (Vertex AI) | vertex_ai/claude-sonnet-4-5 | $3.00 | $15.00 |
| Databricks | databricks/databricks-claude-sonnet-4-5 | $3.00 | $15.00 |
Similar Models
Models with similar capabilities and context window size.
Model | Provider | Mode | Input Price | Output Price | Context | Max Output | Vision | Functions |
|---|---|---|---|---|---|---|---|---|
| Gemini 1.5 Flash | Google Vertex AI | Text | $0.075 | $0.300 | 1.0M | 8K | yes | yes |
| Gemini 1.5 Flash Preview-0514 | Google Vertex AI | Text | $0.075 | $0.0047 | 1.0M | 8K | yes | yes |
| Gemini 1.5 Flash-001 | Google Vertex AI | Text | $0.075 | $0.300 | 1.0M | 8K | yes | yes |
| Gemini 1.5 Flash-8b-exp-0827 | Google Gemini | Text | N/A | N/A | 1.0M | 8K | yes | yes |
| Gemini 1.5 Flash-exp-0827 | Google Vertex AI | Text | $0.0047 | $0.0047 | 1.0M | 8K | yes | yes |
| Gemini flash Experimental | Google Vertex AI | Text | N/A | N/A | 1.0M | 8K | no | no |
| Gemini pro Experimental | Google Vertex AI | Text | N/A | N/A | 1.0M | 8K | no | no |
| Qwen Turbo | Dashscope | Text | $0.050 | $0.200 | 1.0M | 8K | no | yes |
| Qwen Turbo | Dashscope | Text | $0.050 | $0.200 | 1.0M | 16K | no | yes |
| Qwen Turbo | Dashscope | Text | $0.050 | $0.200 | 1.0M | 16K | no | yes |