# A.X K2 vs K-EXAONE 2.0

> Side-by-side benchmark comparison for A.X K2 and K-EXAONE 2.0 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/a-x-k2-vs-k-exaone-2-0
- Last updated: September 10, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick A.X K2 if you want the stronger benchmark profile. K-EXAONE 2.0 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- A.X K2 leads overall 49 to 0.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 27.8% and 18.3%.

## Model Snapshot

| Property | A.X K2 | K-EXAONE 2.0 |
|----------|----------|----------|
| Creator | SK Telecom | LG AI Research |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 262K |
| Overall Score | null | null |
| Benchmarks Covered | 10 | 15 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 36.0% | 43.8% | K-EXAONE 2.0 |
| Claw-Eval | Coming soon | 77.7% | Coming soon |

### Coding

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 84.0% | Coming soon | Coming soon |
| SciCode | 41% | 37.4% | A.X K2 |
| Terminal-Bench 2.1 | 36.0% | 43.8% | K-EXAONE 2.0 |
| SWE-bench Verified | Coming soon | 68.2% | Coming soon |

### Knowledge

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 27.8% | 18.3% | A.X K2 |
| GPQA-D | 85.6% | 82.2% | A.X K2 |
| MMLU-Pro | Coming soon | 83.5% | Coming soon |
| MMMLU | Coming soon | 86.6% | Coming soon |

### Instruction Following

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 75.9% | 72.6% | A.X K2 |
| IFEval | Coming soon | 92.4% | Coming soon |

### Multilingual

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| PolyMath | Coming soon | 71.3% | Coming soon |

### Mathematics

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | A.X K2 | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.1% | 92.3% | A.X K2 |
| Apex | 45.8% | Coming soon | Coming soon |
| Apex Shortlist | 88.6% | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 78.4% | Coming soon |
| IMOAnswerBench | Coming soon | 78.6% | Coming soon |

## FAQ

### Which is better overall, A.X K2 or K-EXAONE 2.0?

A.X K2 is ahead overall on BenchLM right now.

### How many benchmarks does A.X K2 cover on BenchLM?

A.X K2 currently has 10 sourced benchmark scores on BenchLM.

### How many benchmarks does K-EXAONE 2.0 cover on BenchLM?

K-EXAONE 2.0 currently has 15 sourced benchmark scores on BenchLM.

## Related Comparisons

- [A.X K2 vs A.X series](/compare/a-x-k2-vs-skt-ax)
- [K-EXAONE 2.0 vs A.X series](/compare/k-exaone-2-0-vs-skt-ax)
- [A.X K2 vs Claude Fable 5.1](/compare/a-x-k2-vs-claude-fable-5-1)
- [K-EXAONE 2.0 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-k-exaone-2-0)

## Explore More

- [A.X K2 profile](/models/a-x-k2)
- [K-EXAONE 2.0 profile](/models/k-exaone-2-0)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)