Compare/Grok 4.5 (high) vs Qwen3 Next 80B A3B (Reasoning)

Grok 4.5 (high)vsQwen3 Next 80B A3B (Reasoning)

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

SpaceXAI

Grok 4.5 (high)

Input
$2/M
Output
$6/M
Speed
96 tok/s
TTFT
17.19s
Alibaba

Qwen3 Next 80B A3B (Reasoning)

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

Winner by Category

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

Pricing Comparison

MetricGrok 4.5 (high)Qwen3 Next 80B A3B (Reasoning)
Input ($/M tokens)$2$0.5
Output ($/M tokens)$6$6
Cost for 1M input + 100K output tokens:
Grok 4.5 (high)$2.60
Qwen3 Next 80B A3B (Reasoning)$1.10

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.5 (high)
96 tok/s
Qwen3 Next 80B A3B (Reasoning)
141 tok/s
Time to First Token (seconds) — lower is better
Grok 4.5 (high)
17.19s
Qwen3 Next 80B A3B (Reasoning)
1.23s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
53.816.7
Coding Index
72.417.4
Math Index
84.3
GPQA Diamond
93.1%75.9%
MMLU-Pro
82.4%
LiveCodeBench
78.4%
AIME 2025
84.3%
MATH-500
Humanity's Last Exam
40.3%11.7%
SciCode
54.1%38.8%
IFBench
60.7%
TerminalBench
9.8%
Grok 4.5 (high)5 wins
6 winsQwen3 Next 80B A3B (Reasoning)

Frequently Asked Questions

Which is cheaper, Grok 4.5 (high) 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 $3.00/M for Grok 4.5 (high).

Which model performs better on benchmarks?

Qwen3 Next 80B A3B (Reasoning) wins 6 out of 12 benchmarks compared to 5 for Grok 4.5 (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Qwen3 Next 80B A3B (Reasoning) generates tokens faster at 141 tok/s vs 96 tok/s. However, Qwen3 Next 80B A3B (Reasoning) has lower time-to-first-token (1.23s vs 17.19s).

When should I use Grok 4.5 (high) 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 Qwen3 Next 80B A3B (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.