Comparison
Claude Haiku 4.5 vs Claude Sonnet 5
Per input token, Claude Haiku 4.5 runs 50% cheaper than Claude Sonnet 5. Output pricing favors Claude Haiku 4.5, 50% less per token than Claude Sonnet 5. Claude Sonnet 5 accepts more context per request than Claude Haiku 4.5.
| Field | Claude Haiku 4.5 | Claude Sonnet 5 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context window | 200K | 1M |
| Max output | 64K | 128K |
| Input / 1M | $1.0050% cheaper | $2.00 |
| Output / 1M | $5.0050% cheaper | $10.00 |
| Cached input / 1M | $0.1050% cheaper | $0.20 |
| Batch discount | 50% | 50% |
| Release date | 2025-10-01 | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Claude Haiku 4.5 | Claude Sonnet 5 |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $180.00cheaper | $360.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $285.00cheaper | $570.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $137.50cheaper | $275.00 |
Claude Haiku 4.5 vs Claude Sonnet 5 FAQ
- Is Claude Haiku 4.5 cheaper than Claude Sonnet 5?
- Claude Haiku 4.5 costs $1.00 per 1M input tokens versus $2.00 for Claude Sonnet 5 — Claude Haiku 4.5 is 50% cheaper per input token.
- Which is cheaper for output tokens, Claude Haiku 4.5 or Claude Sonnet 5?
- Claude Haiku 4.5 charges $5.00 per 1M output tokens; Claude Sonnet 5 charges $10.00 per 1M output tokens.
- Which has the larger context window, Claude Haiku 4.5 or Claude Sonnet 5?
- Claude Sonnet 5 does, with a 1,000,000-token context window.
- Do Claude Haiku 4.5 and Claude Sonnet 5 offer cache pricing?
- Claude Haiku 4.5 discounts cached input to $0.10 per 1M tokens. Claude Sonnet 5 discounts cached input to $0.20 per 1M tokens.
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