Claude Sonnet 4.5
Best balance of intelligence and cost in the Claude line.
Input / 1M
$3.00
Anthropic
Output / 1M
$15.00
Cached input
$0.3
discounted reads
Context
200K
64K max output
Price history
input unchanged · verified 2h agoPrice changes
3 changes| Date | Field | From | To | Change | Source |
|---|---|---|---|---|---|
| 2026-09-13 | Cached input | — | $0.3 | — | seed |
| 2025-09-29 | Input | — | $3.00 | — | historical-reference |
| 2025-09-29 | Output | — | $15.00 | — | historical-reference |
Specifications
- Provider
- Anthropic
- Model ID
- claude-sonnet-4-5
- Modality
- text+image
- Context window
- 200K tokens
- Max output
- 64K tokens
- Tokenizer family
- claude
Cost at similar prices
10,000 requests/month · 2000 in / 600 out tokens
- Claude Sonnet 4.5$150.00
- Claude Sonnet 3.7Anthropic$150.00
- Claude Sonnet 4.6Anthropic$150.00
- Grok 4xAI$150.00
- GPT-4o TranscribeOpenAI$110.00
- Command ACohere$110.00
- GPT-4oOpenAI$110.00