Compare/GLM-4.5-Air vs KAT-Coder-Pro V1

GLM-4.5-AirvsKAT-Coder-Pro V1

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

Z AI

GLM-4.5-Air

Input
$0.2/M
Output
$1.1/M
Speed
105 tok/s
TTFT
0.61s
KwaiKAT

KAT-Coder-Pro V1

Input
$0.3/M
Output
$1.2/M
Speed
38 tok/s
TTFT
1.13s

Winner by Category

Cheaper
GLM-4.5-Air
Faster (tok/s)
GLM-4.5-Air
Lower Latency
GLM-4.5-Air
Benchmarks (4-8)
KAT-Coder-Pro V1

Pricing Comparison

MetricGLM-4.5-AirKAT-Coder-Pro V1
Input ($/M tokens)$0.2$0.3
Output ($/M tokens)$1.1$1.2
Cost for 1M input + 100K output tokens:
GLM-4.5-Air$0.31
KAT-Coder-Pro V1$0.42

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM-4.5-Air
105 tok/s
KAT-Coder-Pro V1
38 tok/s
Time to First Token (seconds) — lower is better
GLM-4.5-Air
0.61s
KAT-Coder-Pro V1
1.13s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
23.236.0
Coding Index
23.818.3
Math Index
80.794.7
GPQA Diamond
73.3%76.4%
MMLU-Pro
81.5%81.3%
LiveCodeBench
68.4%74.7%
AIME 2025
80.7%94.7%
MATH-500
96.5%
Humanity's Last Exam
6.8%33.4%
SciCode
30.6%36.6%
IFBench
37.6%68.4%
TerminalBench
20.5%9.1%
GLM-4.5-Air4 wins
8 winsKAT-Coder-Pro V1

Frequently Asked Questions

Which is cheaper, GLM-4.5-Air or KAT-Coder-Pro V1?

GLM-4.5-Air is cheaper overall. Its blended price (3:1 input/output ratio) is $0.42/M tokens vs $0.53/M for KAT-Coder-Pro V1.

Which model performs better on benchmarks?

KAT-Coder-Pro V1 wins 8 out of 12 benchmarks compared to 4 for GLM-4.5-Air. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GLM-4.5-Air generates tokens faster at 105 tok/s vs 38 tok/s. GLM-4.5-Air also has lower time-to-first-token (0.61s vs 1.13s).

When should I use GLM-4.5-Air vs KAT-Coder-Pro V1?

Choose based on your priorities: GLM-4.5-Air for lower cost, KAT-Coder-Pro V1 for stronger benchmark performance, and GLM-4.5-Air for faster generation. For latency-sensitive apps, check the TTFT comparison above.