Compare/GPT-5.6 Luna (xhigh) vs Qwen3 Next 80B A3B (Reasoning)

GPT-5.6 Luna (xhigh)vsQwen3 Next 80B A3B (Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

OpenAI

GPT-5.6 Luna (xhigh)

Input
$1/M
Output
$6/M
Speed
200 tok/s
TTFT
6.09s
Alibaba

Qwen3 Next 80B A3B (Reasoning)

Input
$0.5/M
Output
$6/M
Speed
168 tok/s
TTFT
1.23s

Winner by Category

Cheaper
Qwen3 Next 80B A3B (Reasoning)
Faster (tok/s)
GPT-5.6 Luna (xhigh)
Lower Latency
Qwen3 Next 80B A3B (Reasoning)
Benchmarks (5-6)
Qwen3 Next 80B A3B (Reasoning)

Pricing Comparison

MetricGPT-5.6 Luna (xhigh)Qwen3 Next 80B A3B (Reasoning)
Input ($/M tokens)$1$0.5
Output ($/M tokens)$6$6
Cost for 1M input + 100K output tokens:
GPT-5.6 Luna (xhigh)$1.60
Qwen3 Next 80B A3B (Reasoning)$1.10

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5.6 Luna (xhigh)
200 tok/s
Qwen3 Next 80B A3B (Reasoning)
168 tok/s
Time to First Token (seconds) — lower is better
GPT-5.6 Luna (xhigh)
6.09s
Qwen3 Next 80B A3B (Reasoning)
1.23s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.116.7
Coding Index
68.617.4
Math Index
84.3
GPQA Diamond
89.5%75.9%
MMLU-Pro
82.4%
LiveCodeBench
78.4%
AIME 2025
84.3%
MATH-500
Humanity's Last Exam
35.6%11.7%
SciCode
50.0%38.8%
IFBench
60.7%
TerminalBench
9.8%
GPT-5.6 Luna (xhigh)5 wins
6 winsQwen3 Next 80B A3B (Reasoning)

Frequently Asked Questions

Which is cheaper, GPT-5.6 Luna (xhigh) or Qwen3 Next 80B A3B (Reasoning)?

Qwen3 Next 80B A3B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.88/M tokens vs $2.25/M for GPT-5.6 Luna (xhigh).

Which model performs better on benchmarks?

Qwen3 Next 80B A3B (Reasoning) wins 6 out of 12 benchmarks compared to 5 for GPT-5.6 Luna (xhigh). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.6 Luna (xhigh) generates tokens faster at 200 tok/s vs 168 tok/s. However, Qwen3 Next 80B A3B (Reasoning) has lower time-to-first-token (1.23s vs 6.09s).

When should I use GPT-5.6 Luna (xhigh) vs Qwen3 Next 80B A3B (Reasoning)?

Choose based on your priorities: Qwen3 Next 80B A3B (Reasoning) for lower cost, Qwen3 Next 80B A3B (Reasoning) for stronger benchmark performance, and GPT-5.6 Luna (xhigh) for faster generation. For latency-sensitive apps, check the TTFT comparison above.