Compare/GLM-5 (Non-reasoning) vs Gemini 3 Flash Preview (Reasoning)

GLM-5 (Non-reasoning)vsGemini 3 Flash Preview (Reasoning)

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

Z AI

GLM-5 (Non-reasoning)

Input
$1/M
Output
$3.2/M
Speed
61 tok/s
TTFT
1.08s
Google

Gemini 3 Flash Preview (Reasoning)

Input
$0.5/M
Output
$3/M
Speed
180 tok/s
TTFT
6.33s

Winner by Category

Cheaper
Gemini 3 Flash Preview (Reasoning)
Faster (tok/s)
Gemini 3 Flash Preview (Reasoning)
Lower Latency
GLM-5 (Non-reasoning)
Benchmarks (1-10)
Gemini 3 Flash Preview (Reasoning)

Pricing Comparison

MetricGLM-5 (Non-reasoning)Gemini 3 Flash Preview (Reasoning)
Input ($/M tokens)$1$0.5
Output ($/M tokens)$3.2$3
Cost for 1M input + 100K output tokens:
GLM-5 (Non-reasoning)$1.32
Gemini 3 Flash Preview (Reasoning)$0.80

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM-5 (Non-reasoning)
61 tok/s
Gemini 3 Flash Preview (Reasoning)
180 tok/s
Time to First Token (seconds) — lower is better
GLM-5 (Non-reasoning)
1.08s
Gemini 3 Flash Preview (Reasoning)
6.33s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
40.646.4
Coding Index
39.042.6
Math Index
97.0
GPQA Diamond
66.6%89.8%
MMLU-Pro
89.0%
LiveCodeBench
90.8%
AIME 2025
97.0%
MATH-500
Humanity's Last Exam
7.2%34.7%
SciCode
38.3%50.6%
IFBench
55.2%78.0%
TerminalBench
39.4%38.6%
GLM-5 (Non-reasoning)1 wins
10 winsGemini 3 Flash Preview (Reasoning)

Frequently Asked Questions

Which is cheaper, GLM-5 (Non-reasoning) or Gemini 3 Flash Preview (Reasoning)?

Gemini 3 Flash Preview (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.13/M tokens vs $1.55/M for GLM-5 (Non-reasoning).

Which model performs better on benchmarks?

Gemini 3 Flash Preview (Reasoning) wins 10 out of 12 benchmarks compared to 1 for GLM-5 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemini 3 Flash Preview (Reasoning) generates tokens faster at 180 tok/s vs 61 tok/s. GLM-5 (Non-reasoning) also has lower time-to-first-token (1.08s vs 6.33s).

When should I use GLM-5 (Non-reasoning) vs Gemini 3 Flash Preview (Reasoning)?

Choose based on your priorities: Gemini 3 Flash Preview (Reasoning) for lower cost, Gemini 3 Flash Preview (Reasoning) for stronger benchmark performance, and Gemini 3 Flash Preview (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.