Claude Haiku 4.5 vs GPT-6 Luna: cost
For a typical support chatbot, GPT-6 Luna is about 10.0× cheaper than Claude Haiku 4.5 ($6.97 vs $69.75 per month). Price is only one factor: test both on your own prompts before switching.
| Claude Haiku 4.5 | GPT-6 Luna | |
|---|---|---|
| Input /1M | $1.00 | $0.10 |
| Output /1M | $5.00 | $0.50 |
| Cached input /1M | $0.10 | $0.01 |
| Batch input /1M | $0.50 | $0.05 |
| Batch output /1M | $2.50 | $0.25 |
| Context | 200,000 | 922,000 |
Monthly cost by workload
| Scenario (per month) | Claude Haiku 4.5 | GPT-6 Luna |
|---|---|---|
| Customer support chatbot 1,000 req/day · 1,500 in · 300 out | $69.75 | $6.97 |
| RAG over documents 500 req/day · 6,000 in · 400 out | $95.70 | $9.57 |
| Agent loop (10 calls/task, 200 tasks) 2,000 req/day · 8,000 in · 500 out | $328 | $32.76 |
| Batch summarization 10,000 req/day · 3,000 in · 200 out · batch | $600 | $60.00 |