Model comparison
Claude Haiku 4.5 vs GPT-6 Luna
List rate, corouter rate, context, and which ID to send for claude-haiku-4-5 versus gpt-6-luna. A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800). A sample of 1 million input tokens plus 200 thousand output tokens is about $0.440 on corouter (input $0.200, output $0.240).
| Claude Haiku 4.5 | GPT-6 Luna | |
|---|---|---|
| ID | claude-haiku-4-5 | gpt-6-luna |
| Vendor | Anthropic | OpenAI |
| List input | $1.00 | $2.00 |
| corouter input | $0.800 | $0.200 |
| List output | $5.00 | $12.00 |
| corouter output | $4.00 | $1.20 |
| Cache read | $0.080 | $0.020 |
| Context | 200K | 1.1M |
Price gap
On output, GPT-6 Luna is lower: $1.20 on corouter versus $4.00 for Claude Haiku 4.5, about 3.33×. Input is $0.200 versus $0.800.
Window and modalities
GPT-6 Luna lists a 1.1M window and Claude Haiku 4.5 lists 200K. A larger window does not change the per-token rate. Prompts past the window need a split or a different ID. Claude Haiku 4.5 is listed with these modalities: Chat, Vision. GPT-6 Luna is listed with these modalities: Chat, Reasoning, Vision.
When to send claude-haiku-4-5
Claude Haiku 4.5 is the short-window, low list-rate Claude row: 200K, chat and vision, no Code tag. Send claude-haiku-4-5 for volume that fits that window.
This ID uses the familiar messages JSON shape. The other side is gpt-6-luna from OpenAI. corouter is not affiliated with OpenAI or Anthropic.
When to send gpt-6-luna
GPT-6 Luna keeps the 1.05M window and lists above GPT-6 Sol on output, without the Code tag. Send gpt-6-luna when you want that ID rather than gpt-6-sol or gpt-6.1-sol.
This ID uses the familiar chat-completions JSON shape. The other side is claude-haiku-4-5 from Anthropic. corouter is not affiliated with OpenAI or Anthropic.
The same volume, two bills
A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800).
A sample of 1 million input tokens plus 200 thousand output tokens is about $0.440 on corouter (input $0.200, output $0.240).
Questions
- Which output rate is lower, Claude Haiku 4.5 or GPT-6 Luna?
- On output, GPT-6 Luna is lower: $1.20 on corouter versus $4.00 for Claude Haiku 4.5, about 3.33×. Input is $0.200 versus $0.800.
- Is corouter affiliated with the model vendors?
- No. corouter is not affiliated with OpenAI or Anthropic. Vendor names identify the model and the published list rate.
- How do you start billing?
- Create a console account and spend prepaid credits. The minimum top-up is $5. The API base is https://api.corouter.co. Put the ID you chose in the model field.