Comparison
Claude Haiku 4.5 vs GPT-4o
Per input token, Claude Haiku 4.5 runs 60% cheaper than GPT-4o. On generated (output) tokens, GPT-4o costs 50% more than Claude Haiku 4.5. Claude Haiku 4.5 has the larger context window than GPT-4o.
| Field | Claude Haiku 4.5 | GPT-4o Legacy |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context window | 200K | 128K |
| Max output | 64K | — |
| Input / 1M | $1.0060% cheaper | $2.50 |
| Output / 1M | $5.0050% cheaper | $10.00 |
| Cached input / 1M | $0.1092% cheaper | $1.25 |
| Batch discount | 50% | — |
| Release date | 2025-10-01 | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Claude Haiku 4.5 | GPT-4o |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $180.00cheaper | $400.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $285.00cheaper | $660.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $137.50cheaper | $325.00 |
Claude Haiku 4.5 vs GPT-4o FAQ
- Is Claude Haiku 4.5 cheaper than GPT-4o?
- Claude Haiku 4.5 costs $1.00 per 1M input tokens versus $2.50 for GPT-4o — Claude Haiku 4.5 is 60% cheaper per input token.
- Which is cheaper for output tokens, Claude Haiku 4.5 or GPT-4o?
- Claude Haiku 4.5 charges $5.00 per 1M output tokens; GPT-4o charges $10.00 per 1M output tokens.
- Which has the larger context window, Claude Haiku 4.5 or GPT-4o?
- Claude Haiku 4.5 does, with a 200,000-token context window.
- Do Claude Haiku 4.5 and GPT-4o offer cache pricing?
- Claude Haiku 4.5 discounts cached input to $0.10 per 1M tokens. GPT-4o discounts cached input to $1.25 per 1M tokens.
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