GPT-6 Luna vs Claude Haiku 5.5
Sample workload: short support reply (~512 output tokens). Open the calculator for your own prompt.
| Field | GPT-6 Luna | Claude Haiku 5.5 |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Accuracy | Exact | Approx |
| Input / 1M | $0.100/1M | $0.100/1M |
| Output / 1M | $0.500/1M | $0.500/1M |
| Sample input tokens | 16 | 25 |
| Sample request cost | $0.000258 | $0.000258 |
| Pages | Model page | Model page |
Try your own prompt
Sample costs above use a fixed support-chat prompt. For your text, open the main calculator with either model preselected.
GPT-6 Luna in calculator · Claude Haiku 5.5 in calculator · Count tokens (GPT-6 Luna) · Count tokens (Claude Haiku 5.5) · All comparisons
How LLM pricing works · Exact vs Approx · GPT-6 Luna page · Claude Haiku 5.5 page
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Sources and references
Official documentation used for definitions, counting methods, or rate cards. Always confirm critical budgets on the provider page.