Qwen3 Next 80B vs GPT-5.6 Luna
Alibaba (Qwen) against OpenAI, costed on the same three workloads. Qwen3 Next 80B is cheaper on all three workloads.
Qwen3 Next 80B has been retired by its vendor. Its column shows the last rates it was sold at, kept for reference.
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Monthly bill, side by side
| Workload | Qwen3 Next 80B | GPT-5.6 Luna | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$786 | $887 | $100 (+13%) |
| Document summarizer 1,000 single-shot summaries a day |
$83.70 | $102 | $18.30 (+22%) |
| Coding agent 200 twelve-turn sessions a day |
$502 | $598 | $95.40 (+19%) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Qwen3 Next 80B | GPT-5.6 Luna | |
|---|---|---|
| Input, per 1M tokens | $0.15 | $0.2 |
| Output, per 1M tokens | $1.2 | $1.2 |
| Cached input | not published | $0.02 |
| Context window | 262K | 922K |
| Maximum output | 66K | 128K |
| Reasoning model | yes | yes |
| Vision | no | yes |
Beyond the price
- GPT-5.6 Luna reads up to 922K tokens of context in one request; Qwen3 Next 80B stops at 262K.
- GPT-5.6 Luna can write up to 128K tokens in one response, against 66K for Qwen3 Next 80B.
- Only GPT-5.6 Luna accepts images as input.
- Only GPT-5.6 Luna publishes a cached-input rate, which cuts the cost of resending a long, unchanging prompt.
- Only GPT-5.6 Luna offers a batch discount — 50% off both rates for work that can wait.
Run this comparison on your own numbers
Full detail: Qwen3 Next 80B pricing · GPT-5.6 Luna pricing
More comparisons
Other head-to-heads that include Qwen3 Next 80B or GPT-5.6 Luna.
- Qwen3 Next 80B vs Nova 2 Lite
- Qwen3 Next 80B vs DeepSeek V4 Flash
- Qwen3 Next 80B vs Gemini 3.5 Flash-Lite
- GPT-5.6 Luna vs Claude Haiku 5.5
- GPT-5.6 Luna vs DeepSeek V3.2
- GPT-5.6 Luna vs DeepSeek V4 Flash
Common questions
Which is cheaper, Qwen3 Next 80B or GPT-5.6 Luna?
Qwen3 Next 80B is cheaper on all three workloads.
How much would Qwen3 Next 80B and GPT-5.6 Luna cost each month?
On PromptSpend's standard workloads, per month: support chatbot: Qwen3 Next 80B $786, GPT-5.6 Luna $887 (Qwen3 Next 80B is cheaper by $100); document summarizer: Qwen3 Next 80B $83.70, GPT-5.6 Luna $102 (Qwen3 Next 80B is cheaper by $18.30); coding agent: Qwen3 Next 80B $502, GPT-5.6 Luna $598 (Qwen3 Next 80B is cheaper by $95.40). No prompt caching and no batch discount is assumed.
How do Qwen3 Next 80B and GPT-5.6 Luna differ apart from price?
GPT-5.6 Luna reads up to 922K tokens of context in one request; Qwen3 Next 80B stops at 262K. GPT-5.6 Luna can write up to 128K tokens in one response, against 66K for Qwen3 Next 80B. Only GPT-5.6 Luna accepts images as input. Only GPT-5.6 Luna publishes a cached-input rate, which cuts the cost of resending a long, unchanging prompt. Only GPT-5.6 Luna offers a batch discount — 50% off both rates for work that can wait.