Anthropic
Claude Sonnet 4.5 (batch) API pricing
Claude Sonnet 4.5 (batch) is Anthropic’s model on the API market, released 29 Sept 2025. Prices are per million tokens in USD, as last read from the price list.
$1.50Input / 1M
$7.50Output / 1M
1MContext
64KMax output
This is a variant of Claude Sonnet 4.5 at a different price.
Specification
USD per million tokens- Provider
- Anthropic
- Model id
anthropic/claude-sonnet-4.5:batch- Input
- $1.50
- Output
- $7.50
- Cached input
- $0.15
- Context window
- 1M tokens
- Maximum output
- 64K tokens
- Takes
- text, image, file
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 29 Sept 2025
- First tracked
- 17 Sept 2026
At $1.50 per million input tokens, Claude Sonnet 4.5 (batch) is dearer than 251 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
Other entries for this model
More from Anthropic
Cheapest input first- Claude 3 Haiku$0.25 in · $1.25 out
- Claude Haiku 4.5$1.00 in · $5.00 out
- Claude Sonnet 5$2.00 in · $10 out
- Claude Sonnet 4.6$3.00 in · $15 out
- Claude Sonnet 4.5$3.00 in · $15 out
- Claude Sonnet 4$3.00 in · $15 out
- Claude Opus 5$5.00 in · $25 out
- Claude Opus 4.8$5.00 in · $25 out
Prices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.