# GLM-5 (Reasoning) vs Seed 2.1 Pro

> Side-by-side benchmark comparison for GLM-5 (Reasoning) and Seed 2.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-reasoning-vs-seed-2-1-pro
- Last updated: September 10, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GLM-5 (Reasoning) and Seed 2.1 Pro.

## Summary

- GLM-5 (Reasoning) and Seed 2.1 Pro 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 (Reasoning) | Seed 2.1 Pro |
|----------|----------|----------|
| Creator | Z.AI | ByteDance |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 256K |
| Independent public score (not head-to-head) | 57.43 | null |
| Benchmarks Covered | 1 | 11 |
| Pricing (input/output) | $1.00 / $3.20 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GLM-5 (Reasoning) public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | GLM-5 (Reasoning) | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 71.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GLM-5 (Reasoning) public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | GLM-5 (Reasoning) | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 23.36% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 71.0% | Coming soon |
| NL2Repo | Coming soon | 47% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GLM-5 (Reasoning) public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | GLM-5 (Reasoning) | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| MathVision | Coming soon | 92.6% | Coming soon |
| MMMU-Pro | Coming soon | 81.6% | Coming soon |
| ZeroBench | Coming soon | 18.0% | Coming soon |
| BabyVision | Coming soon | 73.7% | Coming soon |
| CharXiv | Coming soon | 85.4% | Coming soon |
| ERQA | Coming soon | 72.0% | Coming soon |
| Video-MME | Coming soon | 89.2% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GLM-5 (Reasoning) public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | GLM-5 (Reasoning) | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SuperGPQA | Coming soon | 70.8% | Coming soon |

## FAQ

### Can I compare GLM-5 (Reasoning) and Seed 2.1 Pro 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 (Reasoning) vs GLM-5.3](/compare/glm-5-3-vs-glm-5-reasoning)
- [Seed 2.1 Pro vs GLM-5.3](/compare/glm-5-3-vs-seed-2-1-pro)
- [GLM-5 (Reasoning) vs GLM-5.2](/compare/glm-5-2-vs-glm-5-reasoning)
- [Seed 2.1 Pro vs GLM-5.2](/compare/glm-5-2-vs-seed-2-1-pro)

## Explore More

- [GLM-5 (Reasoning) profile](/models/glm-5-reasoning)
- [Seed 2.1 Pro profile](/models/seed-2-1-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)