Compare/Qwen3.5 27B (Non-reasoning) vs Grok 4.3 (Non-reasoning)

Qwen3.5 27B (Non-reasoning)vsGrok 4.3 (Non-reasoning)

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

Alibaba

Qwen3.5 27B (Non-reasoning)

Input
$0.28/M
Output
$2.5/M
Speed
89 tok/s
TTFT
1.40s
xAI

Grok 4.3 (Non-reasoning)

Input
$1.25/M
Output
$2.5/M
Speed
75 tok/s
TTFT
0.57s

Winner by Category

Cheaper
Qwen3.5 27B (Non-reasoning)
Faster (tok/s)
Qwen3.5 27B (Non-reasoning)
Lower Latency
Grok 4.3 (Non-reasoning)
Benchmarks (5-2)
Qwen3.5 27B (Non-reasoning)

Pricing Comparison

MetricQwen3.5 27B (Non-reasoning)Grok 4.3 (Non-reasoning)
Input ($/M tokens)$0.28$1.25
Output ($/M tokens)$2.5$2.5
Cost for 1M input + 100K output tokens:
Qwen3.5 27B (Non-reasoning)$0.53
Grok 4.3 (Non-reasoning)$1.50

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3.5 27B (Non-reasoning)
89 tok/s
Grok 4.3 (Non-reasoning)
75 tok/s
Time to First Token (seconds) — lower is better
Qwen3.5 27B (Non-reasoning)
1.40s
Grok 4.3 (Non-reasoning)
0.57s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
37.231.0
Coding Index
33.425.1
Math Index
GPQA Diamond
84.2%65.8%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
13.2%6.5%
SciCode
36.7%37.4%
IFBench
46.9%47.6%
TerminalBench
31.8%18.9%
Qwen3.5 27B (Non-reasoning)5 wins
2 winsGrok 4.3 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Qwen3.5 27B (Non-reasoning) or Grok 4.3 (Non-reasoning)?

Qwen3.5 27B (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.83/M tokens vs $1.56/M for Grok 4.3 (Non-reasoning).

Which model performs better on benchmarks?

Qwen3.5 27B (Non-reasoning) wins 5 out of 12 benchmarks compared to 2 for Grok 4.3 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Qwen3.5 27B (Non-reasoning) generates tokens faster at 89 tok/s vs 75 tok/s. However, Grok 4.3 (Non-reasoning) has lower time-to-first-token (0.57s vs 1.40s).

When should I use Qwen3.5 27B (Non-reasoning) vs Grok 4.3 (Non-reasoning)?

Choose based on your priorities: Qwen3.5 27B (Non-reasoning) for lower cost, Qwen3.5 27B (Non-reasoning) for stronger benchmark performance, and Qwen3.5 27B (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.