Claude Sonnet 4.5
Anthropic · claude-sonnet-4-5-20250929
Claude Sonnet 4.5 from Anthropic: $3 per million input tokens, $15 per million output tokens, $0.3 per million cached input tokens. Retires 30 Nov 2026.
| Rate | Price | Applies |
|---|---|---|
| Input | $3 per 1M input tokens | Ordinary |
| Cached input | $0.3 per 1M cached input tokens | Ordinary |
| Cache write | $3.75 per 1M cache write tokens | Ordinary |
| Output | $15 per 1M output tokens | Ordinary |
| Input | $1.5 per 1M input tokens | BATCH tier |
| Input | $6 per 1M input tokens | prompts over 200,000 tokens |
| Input | $3 per 1M input tokens | BATCH tier, prompts over 200,000 tokens |
| Cached input | $0.15 per 1M cached input tokens | BATCH tier |
| Cached input | $0.6 per 1M cached input tokens | prompts over 200,000 tokens |
| Cached input | $0.3 per 1M cached input tokens | BATCH tier, prompts over 200,000 tokens |
| Cache write | $6 per 1M cache write tokens | cache kept 3,600 seconds or more |
| Cache write | $1.875 per 1M cache write tokens | BATCH tier |
| Cache write | $12 per 1M cache write tokens | prompts over 200,000 tokens, cache kept 3,600 seconds or more |
| Cache write | $7.5 per 1M cache write tokens | prompts over 200,000 tokens |
| Cache write | $3.75 per 1M cache write tokens | BATCH tier, prompts over 200,000 tokens |
| Output | $7.5 per 1M output tokens | BATCH tier |
| Output | $22.5 per 1M output tokens | prompts over 200,000 tokens |
| Output | $11.25 per 1M output tokens | BATCH tier, prompts over 200,000 tokens |
- Released
- 29 Sep 2025
- Retires
- 30 Nov 2026
- Most input tokens
- 200,000
- Most output tokens
- 64,000