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

DeepSeek V3.1 (Non-reasoning)vsGLM-4.5V (Reasoning)

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

DeepSeek

DeepSeek V3.1 (Non-reasoning)

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

GLM-4.5V (Reasoning)

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

Winner by Category

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

Pricing Comparison

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

Speed Comparison

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

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
28.115.1
Coding Index
28.410.9
Math Index
49.773.0
GPQA Diamond
73.5%68.4%
MMLU-Pro
83.3%78.8%
LiveCodeBench
57.7%60.4%
AIME 2025
49.7%73.0%
MATH-500
Humanity's Last Exam
6.3%5.9%
SciCode
36.7%22.1%
IFBench
37.8%34.2%
TerminalBench
24.2%5.3%
DeepSeek V3.1 (Non-reasoning)8 wins
3 winsGLM-4.5V (Reasoning)

Frequently Asked Questions

Which is cheaper, DeepSeek V3.1 (Non-reasoning) or GLM-4.5V (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. DeepSeek V3.1 (Non-reasoning) also has lower time-to-first-token (0.00s vs 0.98s).

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