GPT-6 Luna vs Qwen3.8 Flash pricing
- For the Chatbot workload, GPT-6 Luna costs 1.1× less than Qwen3.8 Flash.
- For the RAG workload, GPT-6 Luna costs 1.4× less than Qwen3.8 Flash.
- For the Coding agent workload, GPT-6 Luna costs 1.3× less than Qwen3.8 Flash.
Prices
| USD per 1M tokens | GPT-6 Luna | Qwen3.8 Flash |
|---|---|---|
| Input | $0.10 | $0.15 |
| Output | $0.50 | $0.47 |
| Cache read | $0.01 | $0.016 |
| Cache write | $0.125 | $0.20 |
| Batch input | $0.05 | Not published |
| Batch output | $0.25 | Not published |
Verified against the provider's official pricing page on Oct 9, 2026. Official pricing page
Alibaba's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation
Monthly cost by workload
| Workload | GPT-6 Luna | Qwen3.8 Flash |
|---|---|---|
| Chatbot1,000 in / 500 out tokens, 10,000 requests a day | $105.00/mo | $115.50/mo |
| RAG8,000 in / 500 out tokens, 5,000 requests a day | $157.50/mo | $215.25/mo |
| Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input | $72.00/mo | $92.40/mo |
Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.
Context and capabilities
| GPT-6 Luna | Qwen3.8 Flash | |
|---|---|---|
| Context | 1,050,000 tokens | 1,000,000 tokens |
| Max output | 128,000 tokens | 131,072 tokens |
| Input | text, image, pdf | text, image, video |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
Questions
- What is the price difference between GPT-6 Luna and Qwen3.8 Flash?
- GPT-6 Luna: $0.10 per 1M input tokens and $0.50 per 1M output tokens. Qwen3.8 Flash: $0.15 per 1M input tokens and $0.47 per 1M output tokens. For the Chatbot workload (1,000 in / 500 out tokens, 10,000 requests a day), that is about $105.00 per month for GPT-6 Luna and $115.50 for Qwen3.8 Flash.
- Which has the longer context window, GPT-6 Luna or Qwen3.8 Flash?
- GPT-6 Luna has the longer context window: up to 1,050,000 tokens, compared with 1,000,000 for Qwen3.8 Flash.
- Do GPT-6 Luna and Qwen3.8 Flash have prompt caching and batch prices?
- GPT-6 Luna: cached input $0.01 per 1M tokens; batch $0.05 per 1M input tokens and $0.25 per 1M output tokens. Qwen3.8 Flash: cached input $0.016 per 1M tokens; no batch price published.