Compare/GLM-4.5V (Reasoning) vs DeepSeek V3.1 (Non-reasoning)

GLM-4.5V (Reasoning)vsDeepSeek V3.1 (Non-reasoning)

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

Z AI

GLM-4.5V (Reasoning)

Input
$0.6/M
Output
$1.8/M
Speed
56 tok/s
TTFT
0.98s
DeepSeek

DeepSeek V3.1 (Non-reasoning)

Input
$0.56/M
Output
$1.68/M
Speed
TTFT

Winner by Category

Cheaper
DeepSeek V3.1 (Non-reasoning)
Faster (tok/s)
GLM-4.5V (Reasoning)
Lower Latency
DeepSeek V3.1 (Non-reasoning)
Benchmarks (3-8)
DeepSeek V3.1 (Non-reasoning)

Pricing Comparison

MetricGLM-4.5V (Reasoning)DeepSeek V3.1 (Non-reasoning)
Input ($/M tokens)$0.6$0.56
Output ($/M tokens)$1.8$1.68
Cost for 1M input + 100K output tokens:
GLM-4.5V (Reasoning)$0.78
DeepSeek V3.1 (Non-reasoning)$0.73

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM-4.5V (Reasoning)
56 tok/s
DeepSeek V3.1 (Non-reasoning)
Time to First Token (seconds) — lower is better
GLM-4.5V (Reasoning)
0.98s
DeepSeek V3.1 (Non-reasoning)

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
15.128.1
Coding Index
10.928.4
Math Index
73.049.7
GPQA Diamond
68.4%73.5%
MMLU-Pro
78.8%83.3%
LiveCodeBench
60.4%57.7%
AIME 2025
73.0%49.7%
MATH-500
Humanity's Last Exam
5.9%6.3%
SciCode
22.1%36.7%
IFBench
34.2%37.8%
TerminalBench
5.3%24.2%
GLM-4.5V (Reasoning)3 wins
8 winsDeepSeek V3.1 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, GLM-4.5V (Reasoning) or DeepSeek V3.1 (Non-reasoning)?

DeepSeek V3.1 (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.84/M tokens vs $0.90/M for GLM-4.5V (Reasoning).

Which model performs better on benchmarks?

DeepSeek V3.1 (Non-reasoning) wins 8 out of 12 benchmarks compared to 3 for GLM-4.5V (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GLM-4.5V (Reasoning) generates tokens faster at 56 tok/s vs 0 tok/s. However, DeepSeek V3.1 (Non-reasoning) has lower time-to-first-token (0.00s vs 0.98s).

When should I use GLM-4.5V (Reasoning) vs DeepSeek V3.1 (Non-reasoning)?

Choose based on your priorities: DeepSeek V3.1 (Non-reasoning) for lower cost, DeepSeek V3.1 (Non-reasoning) for stronger benchmark performance, and GLM-4.5V (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.