# K-EXAONE 2.0 vs Beam

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

- Canonical page: https://benchlm.ai/compare/k-exaone-2-0-vs-reflection-beam
- Last updated: October 5, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Treat this as a split decision: use the category and benchmark breakdown to decide which profile better matches your workload.

## Summary

- K-EXAONE 2.0 and Beam are tied on overall score, so the decision depends on category fit rather than the headline number.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 43.8% and 80.1%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- K-EXAONE 2.0 also has the larger context window at 262K.

## Model Snapshot

| Property | K-EXAONE 2.0 | Beam |
|----------|----------|----------|
| Creator | LG AI Research | Reflection AI |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | null |
| Overall Score | null | null |
| Benchmarks Covered | 15 | 16 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 43.8% | 80.1% | Beam |
| Claw-Eval | 77.7% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 78.7% | Coming soon |
| BrowseComp | Coming soon | 77.4% | Coming soon |
| DeepSearchQA | Coming soon | 80.1% | Coming soon |

### Coding

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| SciCode | 37.4% | 49.7% | Beam |
| SWE-bench Verified | 68.2% | 80.9% | Beam |
| Terminal-Bench 2.1 | 43.8% | 80.1% | Beam |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| SWE-bench Pro | Coming soon | 65.5% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |

### Reasoning

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 65.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 83.5% | Coming soon | Coming soon |
| GPQA-D | 82.2% | 90.5% | Beam |
| HLE | 18.3% | Coming soon | Coming soon |
| MMMLU | 86.6% | Coming soon | Coming soon |
| HLE w/o tools | Coming soon | 36.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| PolyMath | 71.3% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 92.4% | Coming soon | Coming soon |
| IFBench | 72.6% | 79.7% | Beam |

### Mathematics

- Winner: Not comparable
- K-EXAONE 2.0 public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | K-EXAONE 2.0 | Beam | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 92.3% | 97.8% | Beam |
| HMMT Feb 2026 | 78.4% | Coming soon | Coming soon |
| IMOAnswerBench | 78.6% | Coming soon | Coming soon |

## FAQ

### Which is better overall, K-EXAONE 2.0 or Beam?

K-EXAONE 2.0 and Beam are tied on overall score in the current BenchLM data.

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

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

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [K-EXAONE 2.0 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-k-exaone-2-0)
- [Beam vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflection-beam)
- [K-EXAONE 2.0 vs GPT-6 Astra](/compare/gpt-6-astra-vs-k-exaone-2-0)
- [Beam vs GPT-6 Astra](/compare/gpt-6-astra-vs-reflection-beam)

## Explore More

- [K-EXAONE 2.0 profile](/models/k-exaone-2-0)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)