GPT-6 Luna vs Qwen3.8 Max Prime: cost per task
GPT-6 Luna is cheaper on 14 of 14 tasks and about 85.1x cheaper on average (geometric mean).
| Task | GPT-6 Luna | Qwen3.8 Max Prime | Difference |
|---|---|---|---|
| Answer a chat question | 0.06¢ | 2.0¢ | 32.9x |
| Reply to a customer email | <0.01¢ | 0.95¢ | 130.8x |
| Write a 1,500-word blog post | 0.12¢ | 19¢ | 162.3x |
| Write 10 product descriptions | 0.05¢ | 19¢ | 358.9x |
| Translate 1,000 words | 0.08¢ | 2.1¢ | 25.5x |
| Proofread one page (500 words) | 0.04¢ | 2.5¢ | 55.8x |
| Summarize a 20-page PDF | 0.16¢ | 8.4¢ | 53.8x |
| Extract data from an invoice | 0.03¢ | 2.8¢ | 88.4x |
| Analyze a 200-row spreadsheet | 0.19¢ | 22¢ | 116.0x |
| Answer from 5 retrieved documents (RAG) | 0.05¢ | 5.0¢ | 92.3x |
| Classify 100 support tickets | 0.06¢ | 11¢ | 166.0x |
| Review 500 lines of code | 0.31¢ | 21¢ | 68.6x |
| Write a SQL query | 0.04¢ | 3.2¢ | 80.0x |
| Run a 50-step coding agent | 4.1¢ | $2.57 | 63.1x |
Specs and list prices
| GPT-6 Luna | Qwen3.8 Max Prime | |
|---|---|---|
| Input per 1M | $0.10 | $4.00 |
| Output per 1M | $0.50 | $12.00 |
| Cached input per 1M | $0.01 | $0.50 |
| Context | 1.05M | 1M |
| Providers | 7 | 1 |
| Reasoning | default | always |
| LMArena Text | 1443 | - |
| Released | Sep 22, 2026 | Sep 23, 2026 |
FAQ
Is GPT-6 Luna or Qwen3.8 Max Prime cheaper?
GPT-6 Luna is cheaper on 14 of 14 tasks and about 85.1x cheaper on average (geometric mean).
How much does GPT-6 Luna cost compared to Qwen3.8 Max Prime per token?
GPT-6 Luna: $0.10 input and $0.50 output per 1M tokens. Qwen3.8 Max Prime: $4.00 input and $12.00 output. Token prices alone mislead - models use different numbers of tokens for the same task, which is what the task table shows.