# GLM-5.1 vs LFM2.5-8B-A1B

> Side-by-side benchmark comparison for GLM-5.1 and LFM2.5-8B-A1B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-lfm2-5-8b-a1b
- Last updated: October 15, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: GLM-5.1 and LFM2.5-8B-A1B share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LFM2.5-8B-A1B has the lower published output-token price.
- GLM-5.1 has the larger published context window at 203K.

## Model Snapshot

| Property | GLM-5.1 | LFM2.5-8B-A1B |
|----------|----------|----------|
| Creator | Z.AI | LiquidAI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 203K | 128K |
| Independent public score (not head-to-head) | 56.27 | 30.15 |
| Benchmarks Covered | 27 | 7 |
| Pricing (input/output) | $1.40 / $4.40 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 43.6 (Estimated · #61/126)
- LFM2.5-8B-A1B public-lane score: Coming soon

| Benchmark | GLM-5.1 | LFM2.5-8B-A1B | 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 |
| BFCL v4 | Coming soon | 49.7% | Coming soon |
| τ²-bench results | Coming soon | 88.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 47.3 (Supported · #48/149)
- LFM2.5-8B-A1B public-lane score: Coming soon

| Benchmark | GLM-5.1 | LFM2.5-8B-A1B | 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: 76.5 (Unranked · 2 rankable rows)
- LFM2.5-8B-A1B public-lane score: 25.9 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 52.7 (Supported · #69/182)
- LFM2.5-8B-A1B public-lane score: 26.4 (Supported · #167/182)

| Benchmark | GLM-5.1 | LFM2.5-8B-A1B | 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 |

### Instruction Following

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 93.8 (#6/146)
- LFM2.5-8B-A1B public-lane score: 36.5 (#121/146)

| Benchmark | GLM-5.1 | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 91.8% | Coming soon |
| IFBench | Coming soon | 56.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GLM-5.1 public-lane score: 66.7 (#7/12)
- LFM2.5-8B-A1B public-lane score: 24 (Unranked · 3 rankable rows)

| Benchmark | GLM-5.1 | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | 50.0% | GLM-5.1 |
| 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 |
| MATH-500 | Coming soon | 88.8% | Coming soon |
| AIME 2025 | Coming soon | 42.5% | Coming soon |

## FAQ

### Is there enough evidence to pick between GLM-5.1 and LFM2.5-8B-A1B?

Not yet. The models share only 1 sourced benchmark row, 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-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [LFM2.5-8B-A1B vs GLM-5.3](/compare/glm-5-3-vs-lfm2-5-8b-a1b)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [LFM2.5-8B-A1B vs GLM-5.2](/compare/glm-5-2-vs-lfm2-5-8b-a1b)

## Explore More

- [GLM-5.1 profile](/models/glm-5-1)
- [LFM2.5-8B-A1B profile](/models/lfm2-5-8b-a1b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)