Claude Sonnet 5.5 (Anthropic)
View on AnthropicView on OpenRouterIdentity and capabilities
- Status
- Current
- Local execution
- Not verified
- Context window
- 1,000,000
- Maximum output
- 128,000
- Image input
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Release date
- First seen
- 2026-09-28 18:02:34Z UTC
- Last verified
Current offers - prices in USD · per 1M tokens
| OpenRouter | Anthropic | |
|---|---|---|
| Standard | ||
| Cached input | $0.1 | $0.1 |
| Input | $2 | $2 |
| Output | $10 | $10 |
| Cache write | $2.5 | |
| 1-hour cache write | $4 | $4 |
| 5-minute cache write | $2.5 | |
| Batch | ||
| Cached input | $0.05 | |
| Input | $1 | $1 |
| Output | $5 | $5 |
| Cache write | $1.25 | |
| 1-hour cache write | $2 |
Active promotions
No officially confirmed promotion applies to this model.
Recent price changes
- Effective price decreased · cause unverified
- Cached input: $0.2 → $0.1
- Effective price decreased · cause unverified
- Cached input: $0.2 → $0.1
- Effective price decreased · cause unverified
- Cached input (batch): $0.1 → $0.05