Anthropic
Claude Sonnet 4.5
Released 2025-09-29 · Knowledge up to 2025-01-31
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
You send / 1M
$3.00
tokens in
It replies / 1M
$15.00
tokens out
Memory
1M
tokens it can read at once
Typical request
$0.011
1,000 words in, 400 out
Data privacy
No training or retention: Yes. At least one provider serves it with zero data retention.
| Provider | You send / 1M | It replies / 1M | Uptime | Privacy policy |
|---|---|---|---|---|
| Amazon Bedrock | $3.00 | $15.00 | 100% | Read |
| $3.00 | $15.00 | 100% | Read | |
| Amazon Bedrock | $3.30 | $16.50 | 100% | Read |
| $3.30 | $16.50 | n/a | Read |
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: text, image, file
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 64K tokens
- Repeated text is billed at $0.300 per 1M (prompt caching)
- Intelligence score: 20.7 / 100 (Artificial Analysis)
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Appears in
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