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

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

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

Z AI

GLM-5 (Reasoning)

Input
$1/M
Output
$3.2/M
Speed
60 tok/s
TTFT
0.96s
Google

Gemini 3 Flash Preview (Non-reasoning)

Input
$0.5/M
Output
$3/M
Speed
190 tok/s
TTFT
1.23s

Winner by Category

Cheaper
Gemini 3 Flash Preview (Non-reasoning)
Faster (tok/s)
Gemini 3 Flash Preview (Non-reasoning)
Lower Latency
GLM-5 (Reasoning)
Benchmarks (6-5)
GLM-5 (Reasoning)

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM-5 (Reasoning)
60 tok/s
Gemini 3 Flash Preview (Non-reasoning)
190 tok/s
Time to First Token (seconds) — lower is better
GLM-5 (Reasoning)
0.96s
Gemini 3 Flash Preview (Non-reasoning)
1.23s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.835.0
Coding Index
44.237.8
Math Index
55.7
GPQA Diamond
82.0%81.2%
MMLU-Pro
88.2%
LiveCodeBench
79.7%
AIME 2025
55.7%
MATH-500
Humanity's Last Exam
27.2%14.1%
SciCode
46.2%49.9%
IFBench
72.3%55.1%
TerminalBench
43.2%31.8%
GLM-5 (Reasoning)6 wins
5 winsGemini 3 Flash Preview (Non-reasoning)

Frequently Asked Questions

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

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

Which model performs better on benchmarks?

GLM-5 (Reasoning) wins 6 out of 12 benchmarks compared to 5 for Gemini 3 Flash Preview (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemini 3 Flash Preview (Non-reasoning) generates tokens faster at 190 tok/s vs 60 tok/s. GLM-5 (Reasoning) also has lower time-to-first-token (0.96s vs 1.23s).

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

Choose based on your priorities: Gemini 3 Flash Preview (Non-reasoning) for lower cost, GLM-5 (Reasoning) for stronger benchmark performance, and Gemini 3 Flash Preview (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.