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

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

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 (high)

Input
$0.06/M
Output
$0.2/M
Speed
299 tok/s
TTFT
0.47s

Winner by Category

Cheaper
GLM 5V Turbo (Reasoning)
Faster (tok/s)
gpt-oss-20B (high)
Lower Latency
GLM 5V Turbo (Reasoning)
Benchmarks (6-5)
GLM 5V Turbo (Reasoning)

Pricing Comparison

MetricGLM 5V Turbo (Reasoning)gpt-oss-20B (high)
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 (high)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM 5V Turbo (Reasoning)
gpt-oss-20B (high)
299 tok/s
Time to First Token (seconds) — lower is better
GLM 5V Turbo (Reasoning)
gpt-oss-20B (high)
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
42.924.5
Coding Index
36.218.5
Math Index
89.3
GPQA Diamond
80.9%68.8%
MMLU-Pro
74.8%
LiveCodeBench
77.7%
AIME 2025
89.3%
MATH-500
Humanity's Last Exam
15.8%9.8%
SciCode
43.5%34.4%
IFBench
61.1%65.1%
TerminalBench
32.6%10.6%
GLM 5V Turbo (Reasoning)6 wins
5 winsgpt-oss-20B (high)

Frequently Asked Questions

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

GLM 5V Turbo (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.09/M for gpt-oss-20B (high).

Which model performs better on benchmarks?

GLM 5V Turbo (Reasoning) wins 6 out of 12 benchmarks compared to 5 for gpt-oss-20B (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (high) generates tokens faster at 299 tok/s vs 0 tok/s. GLM 5V Turbo (Reasoning) also has lower time-to-first-token (0.00s vs 0.47s).

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

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