# GLM-4.6 vs o3

> Side-by-side benchmark comparison for GLM-4.6 and o3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-4-6-vs-o3
- Last updated: September 4, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: GLM-4.6 and o3 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.

## Model Snapshot

| Property | GLM-4.6 | o3 |
|----------|----------|----------|
| Creator | Z.AI | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 200K |
| Independent public score (not head-to-head) | 53.94 | 49.12 |
| Benchmarks Covered | 3 | 2 |
| Pricing (input/output) | N/A | $2.00 / $8.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: 48.8 (Estimated · #84/183)
- o3 public-lane score: 48.8 (Estimated · #83/183)

| Benchmark | GLM-4.6 | o3 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 3.09% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: Coming soon
- o3 public-lane score: 63.3 (Unranked · 1 rankable row)

### Reasoning

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: 41.4 (Unranked · 2 rankable rows)
- o3 public-lane score: 73.7 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: 45.3 (Estimated · #115/181)
- o3 public-lane score: 50 (Estimated · #91/181)

### Instruction Following

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: 42.1 (#98/120)
- o3 public-lane score: 87.1 (#33/120)

### Mathematics

- Winner: Insufficient shared evidence
- GLM-4.6 public-lane score: 27.5 (Unranked · 2 rankable rows)
- o3 public-lane score: 37.8 (Unranked · 2 rankable rows)

| Benchmark | GLM-4.6 | o3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 3.819% | 18.685% | o3 |
| FrontierMath v2 (Tier 4) | 2.128% | 2.083% | GLM-4.6 |

## FAQ

### Is there enough evidence to pick between GLM-4.6 and o3?

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

- [GLM-4.6 vs o3-pro](/compare/glm-4-6-vs-o3-pro)
- [o3 vs o3-pro](/compare/o3-vs-o3-pro)
- [GLM-4.6 vs o3-mini](/compare/glm-4-6-vs-o3-mini)
- [o3 vs o3-mini](/compare/o3-vs-o3-mini)

## Explore More

- [GLM-4.6 profile](/models/glm-4-6)
- [o3 profile](/models/o3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)