Claude Sonnet 4.5 (Anthropic)
View on AnthropicView on OpenRouterIdentity and capabilities
- Status
- Deprecated · retires Nov 30, 2026
- Recommended replacement
- claude-sonnet-5-5
- Local execution
- Not verified
- Context window
- 200,000
- Maximum output
- 64,000
- Image input
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Release date
- First seen
- 2026-08-29 19:40:01Z UTC
- Last verified
Current offers - prices in USD · per 1M tokens
| OpenRouter | Anthropic | |
|---|---|---|
| Standard · Input ≤ 200,000 tokens | ||
| Cached input | $0.3 | |
| Input | $3 | |
| Output | $15 | |
| Cache write | $3.75 | |
| 1-hour cache write | $6 | |
| Standard · Base context | Deprecated · retires Nov 30, 2026 | |
| Cached input | $0.3 | |
| Input | $3 | |
| Output | $15 | |
| 1-hour cache write | $6 | |
| 5-minute cache write | $3.75 | |
| Standard · Input > 200,000 tokens | ||
| Cached input | $0.6 | |
| Input | $6 | |
| Output | $22.5 | |
| Cache write | $7.5 | |
| 1-hour cache write | $12 | |
| Batch · Input ≤ 200,000 tokens | ||
| Cached input | $0.15 | |
| Input | $1.5 | |
| Output | $7.5 | |
| Cache write | $1.875 | |
| 1-hour cache write | $3 | |
| Batch · Base context | Deprecated · retires Nov 30, 2026 | |
| Input | $1.5 | |
| Output | $7.5 | |
| Batch · Input > 200,000 tokens | ||
| Cached input | $0.3 | |
| Input | $3 | |
| Output | $11.25 | |
| Cache write | $3.75 | |
| 1-hour cache write | $6 |
Active promotions
No officially confirmed promotion applies to this model.
Recent price changes
- Pricing structure changed
- 1-hour cache write (>200000 to unbounded input tokens, batch, long context): $6.00
- 1-hour cache write (0 to <=200000 input tokens, batch, short context): $3.00
- Pricing structure changed
- Input: $3.00 No longer listed
- Output: $15.00 No longer listed