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Gemini 3.8 Flash Cyber vs GLM-5.3

Gemini 3.8 Flash Cyber and GLM-5.3 are closely matched at 42.7 and 54.0 on the LLM Stats Score.

Google · Zhipu AI · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and GLM-5.3 are closely matched on the overall LLM Stats Score at 42.7 and 54.0.

In the 1 individual benchmarks reported for both models, Gemini 3.8 Flash Cyber wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.8 Flash Cyber

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose GLM-5.3

  • you want predictable pricing at $1.40/M input and $4.40/M output

At a glance

The differences that matter most.

Core performance indexes
42.7
#44
54.0
#7
36.1
#25
44.3
#5
31.7
#25
40.2
#5
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$1.40 / M
Output price
— / M
$4.40 / M
Context window
1,000,000

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 17 for GLM-5.3

1 shared

Gemini 3.8 Flash Cyber outperforms in 1 benchmarks (CyberGym), while GLM-5.3 is better at 0 benchmarks.

Gemini 3.8 Flash Cyber significantly outperforms across most benchmarks.

Wed Sep 02 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GLM-5.3 specifies input context (1,000,000 tokens). Only GLM-5.3 specifies output context (131,072 tokens).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output131,072 tokens
Wed Sep 02 2026 • llm-stats.com

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while GLM-5.3 was released on 2026-08-14.

Gemini 3.8 Flash Cyber is 1 month newer than GLM-5.3.

Gemini 3.8 Flash Cyber

Sep 2, 2026

0 days ago

2w newer
GLM-5.3

Aug 14, 2026

2 weeks ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and GLM-5.3 side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
GLM-5.3
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs GLM-5.3.

Which is better, Gemini 3.8 Flash Cyber or GLM-5.3?

Gemini 3.8 Flash Cyber and GLM-5.3 are closely matched on the LLM Stats Score at 42.7 and 54.0. Gemini 3.8 Flash Cyber is made by Google and GLM-5.3 is made by Zhipu AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash Cyber compare to GLM-5.3 in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%.

What are the context window sizes for Gemini 3.8 Flash Cyber and GLM-5.3?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and GLM-5.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.8 Flash Cyber and GLM-5.3?

Key differences include LLM Stats Score (42.7 vs 54.0), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and GLM-5.3?

Gemini 3.8 Flash Cyber is developed by Google and GLM-5.3 is developed by Zhipu AI.