# Gemini 3.8 Flash Cyber vs GLM-5.3

> Side-by-side benchmark comparison for Gemini 3.8 Flash Cyber and GLM-5.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-8-flash-cyber-vs-glm-5-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 3.8 Flash Cyber and GLM-5.3 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- GLM-5.3 has the lower published output-token price.
- GLM-5.3 has the larger published context window at 1M.

## Model Snapshot

| Property | Gemini 3.8 Flash Cyber | GLM-5.3 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | null | 1M |
| Independent public score (not head-to-head) | null | 67.88 |
| Benchmarks Covered | 3 | 31 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: 70.2 (Supported · #8/128)

| Benchmark | Gemini 3.8 Flash Cyber | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| CyberGym | 86.2% | 84.5% | Gemini 3.8 Flash Cyber |
| CWE-Bench | 47.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.2% | Coming soon |
| terminalBench3 | Coming soon | 28.3% | Coming soon |
| ExploitGym | Coming soon | 15.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.0% | Coming soon |
| AutomationBench | Coming soon | 48.2% | Coming soon |
| Agents' Last Exam | Coming soon | 28.5% | Coming soon |
| HLE w/ tools | Coming soon | 62.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 71.5% | Coming soon |
| Hermes Index | Coming soon | 39.2% | Coming soon |
| Hermes Bench | Coming soon | 71.8% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: 56.4 (Supported · #28/150)

| Benchmark | Gemini 3.8 Flash Cyber | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 88.2% | Coming soon |
| terminalBench3 | Coming soon | 28.3% | Coming soon |
| DeepSWE | Coming soon | 66.9% | Coming soon |
| NL2Repo | Coming soon | 58% | Coming soon |
| ProgramBench | Coming soon | 19.0% | Coming soon |
| FrontierSWE | Coming soon | 78.1% | Coming soon |
| sweMarathon | Coming soon | 42.5% | Coming soon |
| PostTrain Bench | Coming soon | 39.8% | Coming soon |
| VulcanBench v3 | Coming soon | 78.3% | Coming soon |
| OpenHarmony Bench | Coming soon | 60.8% | Coming soon |
| FrontierSWE v2 | Coming soon | 30.2% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 80.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 95.4% | Coming soon |
| Bug Hunt Bench | Coming soon | 19.0 fixes | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: 80.6 (#13/28)

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: 62.7 (Supported · #43/184)

| Benchmark | Gemini 3.8 Flash Cyber | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 88.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.8% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash Cyber | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 6.0% | 31.5% | Gemini 3.8 Flash Cyber |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 3.8 Flash Cyber public-lane score: Coming soon
- GLM-5.3 public-lane score: 71.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.8 Flash Cyber | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 68.772% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 29.268% | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 3.8 Flash Cyber and GLM-5.3?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Gemini 3.8 Flash Cyber vs Gemini 3.8 Flash](/compare/gemini-3-8-flash-vs-gemini-3-8-flash-cyber)
- [GLM-5.3 vs Gemini 3.8 Flash](/compare/gemini-3-8-flash-vs-glm-5-3)
- [Gemini 3.8 Flash Cyber vs GLM-5.2](/compare/gemini-3-8-flash-cyber-vs-glm-5-2)
- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)

## Explore More

- [Gemini 3.8 Flash Cyber profile](/models/gemini-3-8-flash-cyber)
- [GLM-5.3 profile](/models/glm-5-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)