Compare/GLM 5V Turbo (Reasoning) vs gpt-oss-20B (low)

GLM 5V Turbo (Reasoning)vsgpt-oss-20B (low)

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

Z AI

GLM 5V Turbo (Reasoning)

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

gpt-oss-20B (low)

Input
$0.06/M
Output
$0.2/M
Speed
262 tok/s
TTFT
0.46s

Winner by Category

Cheaper
GLM 5V Turbo (Reasoning)
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
GLM 5V Turbo (Reasoning)
Benchmarks (7-4)
GLM 5V Turbo (Reasoning)

Pricing Comparison

MetricGLM 5V Turbo (Reasoning)gpt-oss-20B (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
GLM 5V Turbo (Reasoning)$0.00
gpt-oss-20B (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM 5V Turbo (Reasoning)
gpt-oss-20B (low)
262 tok/s
Time to First Token (seconds) — lower is better
GLM 5V Turbo (Reasoning)
gpt-oss-20B (low)
0.46s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
42.920.8
Coding Index
36.214.4
Math Index
62.3
GPQA Diamond
80.9%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
15.8%5.1%
SciCode
43.5%34.0%
IFBench
61.1%57.8%
TerminalBench
32.6%4.5%
GLM 5V Turbo (Reasoning)7 wins
4 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, GLM 5V Turbo (Reasoning) or gpt-oss-20B (low)?

GLM 5V Turbo (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.10/M for gpt-oss-20B (low).

Which model performs better on benchmarks?

GLM 5V Turbo (Reasoning) wins 7 out of 12 benchmarks compared to 4 for gpt-oss-20B (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (low) generates tokens faster at 262 tok/s vs 0 tok/s. GLM 5V Turbo (Reasoning) also has lower time-to-first-token (0.00s vs 0.46s).

When should I use GLM 5V Turbo (Reasoning) vs gpt-oss-20B (low)?

Choose based on your priorities: GLM 5V Turbo (Reasoning) for lower cost, GLM 5V Turbo (Reasoning) for stronger benchmark performance, and gpt-oss-20B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.