Qwen3.8 Flash Next vs GPT-6 Luna
Qwen3.8 Flash Next is cheaper on output tokens, while GPT-6 Luna offers a larger context window. Choose Qwen3.8 Flash Next or GPT-6 Luna based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.8 Flash Next | GPT-6 Luna |
|---|---|---|
| Provider | AMD | OpenAI |
| Input / 1M tokens | $0.15 | $0.10 |
| Output / 1M tokens | $0.47 | $0.50 |
| Context window | 262K | 1.1M |
| Parameters | — | — |
| Open weights | Yes | — |
| Released | Aug 2026 | — |
| LMArena WebDev Elo score | 1633 | 1582 |
| GPQA Diamond score | — | 90.5 |
| LMArena (Chatbot Arena) Elo score | — | 1392 |
| LMArena Vision Elo score | — | 1217 |
| Epoch Capabilities Index score | — | 156 |
FAQ
Is Qwen3.8 Flash Next or GPT-6 Luna cheaper?
Qwen3.8 Flash Next is cheaper on output tokens ($0.47 vs $0.50 per 1M).
Which has the larger context window, Qwen3.8 Flash Next or GPT-6 Luna?
GPT-6 Luna has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.