# GLM-5.1 vs GPT-6.1 Terra

> Side-by-side benchmark comparison for GLM-5.1 and GPT-6.1 Terra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-gpt-6-1-terra
- Last updated: October 26, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GLM-5.1 and GPT-6.1 Terra.

## Summary

- GLM-5.1 and GPT-6.1 Terra do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | GLM-5.1 | GPT-6.1 Terra |
|----------|----------|----------|
| Creator | Z.AI | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 203K | 1.05M |
| Independent public score (not head-to-head) | 56.44 | 75.87 |
| Benchmarks Covered | 27 | 10 |
| Pricing (input/output) | $1.40 / $4.40 | $1.00 / $5.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 43.6 (Estimated · #66/133)
- GPT-6.1 Terra public-lane score: 72.4 (Estimated · #8/133)

| Benchmark | GLM-5.1 | GPT-6.1 Terra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| BrowseComp | 68% | Coming soon | Coming soon |
| τ³-bench results | 70.6% | Coming soon | Coming soon |
| MCP Atlas | 71.8% | Coming soon | Coming soon |
| CyberGym | 68.7% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | Coming soon | Coming soon |
| Gert Labs | 60.11% | Coming soon | Coming soon |
| ResearchClawBench | 18.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 56.9% | Coming soon | Coming soon |
| HLE w/ tools | 52.3% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 50.30% | Coming soon |
| Terminal-Bench-Science 0.1 | Coming soon | 58.3% | Coming soon |
| Agents' Last Exam | Coming soon | 60.0% | Coming soon |
| OSWorld 2.1 Offline | Coming soon | 74.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 47.5 (Supported · #51/154)
- GPT-6.1 Terra public-lane score: Coming soon

| Benchmark | GLM-5.1 | GPT-6.1 Terra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 58.4% | Coming soon | Coming soon |
| NL2Repo | 42.7% | Coming soon | Coming soon |
| SWE-Rebench | 62.7% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| Vibe Code Bench | 31.46% | Coming soon | Coming soon |
| OpenHarmony Bench | 52.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 81.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 76.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 75.6 (Unranked · 2 rankable rows)
- GPT-6.1 Terra public-lane score: 81.8 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: Coming soon
- GPT-6.1 Terra public-lane score: 91.6 (#4/58)

| Benchmark | GLM-5.1 | GPT-6.1 Terra | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 85.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 51.9 (Supported · #73/188)
- GPT-6.1 Terra public-lane score: 74.9 (Supported · #12/188)

| Benchmark | GLM-5.1 | GPT-6.1 Terra | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 86.2% | Coming soon | Coming soon |
| HLE | 31% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 84.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.9% | Coming soon | Coming soon |
| HealthBench (raw) | Coming soon | 51.1% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 55.1% | Coming soon |
| HealthBench Professional | Coming soon | 62.7% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 64.2% | Coming soon |
| HealthBench Hard | Coming soon | 31.4% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 93.8 (#7/155)
- GPT-6.1 Terra public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 66.7 (#7/12)
- GPT-6.1 Terra public-lane score: Coming soon

| Benchmark | GLM-5.1 | GPT-6.1 Terra | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | Coming soon | Coming soon |
| HMMT Nov 2025 | 94.0% | Coming soon | Coming soon |
| HMMT Feb 2026 | 82.6% | Coming soon | Coming soon |
| MMAnswerBench | 83.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 36.842% | Coming soon | Coming soon |

## FAQ

### Can I compare GLM-5.1 and GPT-6.1 Terra on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [GPT-6.1 Terra vs GLM-5.3](/compare/glm-5-3-vs-gpt-6-1-terra)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [GPT-6.1 Terra vs GLM-5.2](/compare/glm-5-2-vs-gpt-6-1-terra)

## Explore More

- [GLM-5.1 profile](/models/glm-5-1)
- [GPT-6.1 Terra profile](/models/gpt-6-1-terra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)