# Gemini 4 Carbon vs GLM-5.3

> Side-by-side benchmark comparison for Gemini 4 Carbon and GLM-5.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-4-carbon-vs-glm-5-3
- Last updated: October 28, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Gemini 4 Carbon leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 4 Carbon has the higher overall point estimate 88.42 to 61.08. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 88.2 for Gemini 4 Carbon and 58.9 for GLM-5.3.
- The biggest single benchmark swing is ExploitGym in Agentic, with scores of 53.5% and 15.0%.
- GLM-5.3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GLM-5.3 also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 4 Carbon | GLM-5.3 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | null | 1M |
| Overall Score | 88.42 | 61.08 |
| Benchmarks Covered | 9 | 31 |
| Pricing (input/output) | $2.00 / $10.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemini 4 Carbon public-lane score: Coming soon
- GLM-5.3 public-lane score: 69.9 (Supported · #10/134)

| Benchmark | Gemini 4 Carbon | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 53.9% | 48.2% | Gemini 4 Carbon |
| OSWorld 2.1 Offline | 81.5% | Coming soon | Coming soon |
| CWE-bench v1 | 71.0% | Coming soon | Coming soon |
| ExploitGym | 53.5% | 15.0% | Gemini 4 Carbon |
| Terminal-Bench 2.1 | Coming soon | 88.2% | Coming soon |
| terminalBench3 | Coming soon | 28.3% | Coming soon |
| CyberGym | Coming soon | 84.5% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.0% | 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: Gemini 4 Carbon
- Gemini 4 Carbon public-lane score: 82.2 (Supported · #3/156)
- GLM-5.3 public-lane score: 55.8 (Supported · #30/156)

| Benchmark | Gemini 4 Carbon | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierSWE v2 | 61.2% | 30.2% | Gemini 4 Carbon |
| 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 |
| 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: Not comparable
- Gemini 4 Carbon public-lane score: 79.5 (Unranked · 2 rankable rows)
- GLM-5.3 public-lane score: 79.8 (#10/26)

| Benchmark | Gemini 4 Carbon | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| GraphWalks BFS 256K–1M | 96.2% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 4 Carbon public-lane score: Coming soon
- GLM-5.3 public-lane score: Coming soon

| Benchmark | Gemini 4 Carbon | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 72.5% | Coming soon | Coming soon |
| Blueprint-Bench 2 | 58.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Gemini 4 Carbon
- Gemini 4 Carbon public-lane score: 88.2 (Supported · #2/178)
- GLM-5.3 public-lane score: 58.9 (Supported · #50/178)

| Benchmark | Gemini 4 Carbon | 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: Not comparable
- Gemini 4 Carbon public-lane score: Coming soon
- GLM-5.3 public-lane score: Coming soon

| Benchmark | Gemini 4 Carbon | GLM-5.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 0.0% | 31.5% | Gemini 4 Carbon |

### Mathematics

- Winner: Not comparable
- Gemini 4 Carbon public-lane score: Coming soon
- GLM-5.3 public-lane score: 71.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 4 Carbon | 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

### Which is better overall, Gemini 4 Carbon or GLM-5.3?

Gemini 4 Carbon has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemini 4 Carbon and GLM-5.3?

The widest category gap is in knowledge, where the averages are 88.2 for Gemini 4 Carbon and 58.9 for GLM-5.3.

### How many benchmarks does Gemini 4 Carbon cover on BenchLM?

Gemini 4 Carbon currently has 9 sourced benchmark scores on BenchLM.

### How many benchmarks does GLM-5.3 cover on BenchLM?

GLM-5.3 currently has 31 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 4 Carbon vs Gemini 4 Argon](/compare/gemini-4-argon-vs-gemini-4-carbon)
- [GLM-5.3 vs Gemini 4 Argon](/compare/gemini-4-argon-vs-glm-5-3)
- [Gemini 4 Carbon vs GLM-5.2](/compare/gemini-4-carbon-vs-glm-5-2)
- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)

## Explore More

- [Gemini 4 Carbon profile](/models/gemini-4-carbon)
- [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)