# Apodex 1.1 vs Seed 2.1 Pro

> Side-by-side benchmark comparison for Apodex 1.1 and Seed 2.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Apodex 1.1 and Seed 2.1 Pro 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.
- Seed 2.1 Pro has the larger published context window at 256K.

## Model Snapshot

| Property | Apodex 1.1 | Seed 2.1 Pro |
|----------|----------|----------|
| Creator | Apodex | ByteDance |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | N/A | 256K |
| Independent public score (not head-to-head) | 51.55 | null |
| Benchmarks Covered | 10 | 11 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 53.3 (Estimated · #38/152)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.8% | 71.0% | Seed 2.1 Pro |
| HLE w/ tools | 56.1% | Coming soon | Coming soon |
| APEX-Agents | 38.5% | Coming soon | Coming soon |
| DeepSearchQA | 92.4% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 52.3 (Estimated · #47/151)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.8% | 71.0% | Seed 2.1 Pro |
| SWE-bench Verified | 77.7% | Coming soon | Coming soon |
| NL2Repo | Coming soon | 47% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 76.6 (Unranked · 1 rankable row)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Apodex 1.1 | 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 |

### Reasoning

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 75.5 (Unranked · 2 rankable rows)
- Seed 2.1 Pro public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 54.6 (Supported · #55/183)
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| HLE | 56.1% | Coming soon | Coming soon |
| FrontierScience Research | 63.3% | Coming soon | Coming soon |
| BioMysteryBench (human-difficult) | 35.3% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 70.8% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: Coming soon
- Seed 2.1 Pro public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Seed 2.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| IMO 2026 | 31/42 | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Apodex 1.1 and Seed 2.1 Pro?

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

- [Apodex 1.1 vs Apodex 1.1 Mini](/compare/apodex-1-1-vs-apodex-1-1-mini)
- [Seed 2.1 Pro vs Apodex 1.1 Mini](/compare/apodex-1-1-mini-vs-seed-2-1-pro)
- [Apodex 1.1 vs Seed 2.1 Turbo](/compare/apodex-1-1-vs-seed-2-1-turbo)
- [Seed 2.1 Pro vs Seed 2.1 Turbo](/compare/seed-2-1-pro-vs-seed-2-1-turbo)

## Explore More

- [Apodex 1.1 profile](/models/apodex-1-1)
- [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)