Claude Sonnet 4.5 is deprecated: it is still functional but no longer recommended, and retires on November 30, 2026. Recommended replacement: Claude Sonnet 5.5.
See Claude Sonnet 5.5Modelli e prezziModelli legacy
Claude Sonnet 4.5Deprecated
- Context window
- 200Ktokens
- Max output
- 64Ktokens
- Input pricing
- $3/ MTok
- Output pricing
- $15/ MTok
Come si confronta con la lineup attuale
| Model | Context | Max output | Price / MTok | Thinking | Default effort | Knowledge cutoff |
|---|---|---|---|---|---|---|
| Claude Fable 5.1 | 1M | 128K | $10 / $50 | Adaptive (always on) | high | Jun 2026 |
| Claude Opus 5.5 | 1M | 128K | $4 / $20 | Adaptive (always on) | medium | Jun 2026 |
| Claude Sonnet 5.5 | 1M | 128K | $2 / $10 | Adaptive | high | Jun 2026 |
| Claude Sonnet 4.5This model | 200K | 64K | $3 / $15 | Extended | — | Jan 2025 |
| Claude Haiku 5.5 | 1M | 128K | From $0.10 / $0.50 | Adaptive | medium | Jun 2026 |
Specifiche
Model IDs
- Claude API
- Claude API alias
Pricing
- Input
- $3 / MTok
- Output
- $15 / MTok
- 5m cache write
- $3.75 / MTok
- 1h cache write
- $6 / MTok
- Cache read
- $0.30 / MTok
- Batch API
- 50% discount on input and output
Capabilities
- Context window
- 200K tokens
- Max output
- 64K tokens
- Thinking
- Extended
- Default effort
- Not supported
- Input → output
- Text and images → text
- Reliable knowledge cutoff
- Jan 2025
- Training data cutoff
- Jul 2025
Availability
- Status
- Deprecated
- Released
- September 29, 2025
- Deprecated
- September 30, 2026
- Retires
- November 30, 2026
Risorse
Cosa cambia passando da Claude Sonnet 4.5 e dai modelli Sonnet precedenti a Claude Sonnet 5.5.
L'attuale modello Sonnet: panoramica, specifiche e risorse.
Riferimento
Il prompt di sistema che Claude Sonnet 4.5 utilizza su claude.ai e nelle app Claude.
Valutazioni di sicurezza e decisioni di deployment per Claude Sonnet 4.5.
Listino prezzi completo, inclusi sconti batch e tariffe per la cache dei prompt.
Come funzionano gli ID dei modelli, gli alias e gli snapshot fissati.
Stato del ciclo di vita e impegni di ritiro per ogni modello Claude.
Claude Sonnet 4.5 utilizza l'integrazione InvokeModel di Bedrock e gli ID dei modelli in stile Bedrock.
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