Anthropic · Current
Claude Sonnet 4.5
Proven Sonnet model for scaling at moderate cost, with 1M context.
- Reasoning
-
- Speed
-
- Context window
- 1M
- Input
-
Text input supportedImage input supportedAudio input not supportedVideo input not supported - Output
-
Text output supportedImage output not supportedAudio output not supportedVideo output not supported
Pricing
per 1M tokens
Input price
$3.00
Cache read price
$0.30
Cache write price
$3.75
Output price
$15.00
Capabilities
- ✓ Function calling
- ✓ Vision
- ✓ Structured output
- ✓ Extended reasoning
- ✓ Prompt caching
- ✓ Batch API
- ✓ Streaming
Limits & knowledge
- Context window
- 1M
- Max output
- 64K
- Family
- Claude Sonnet 4
Source & last check
Source: https://platform.claude.com/docs/en/about-claude/pricing · Verified on: May 25, 2026