# GPT-6 Luna vs K-EXAONE 2.0

> Side-by-side benchmark comparison for GPT-6 Luna and K-EXAONE 2.0 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-luna-vs-k-exaone-2-0
- Last updated: September 23, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.6

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-6 Luna and K-EXAONE 2.0.

## Summary

- GPT-6 Luna and K-EXAONE 2.0 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 | GPT-6 Luna | K-EXAONE 2.0 |
|----------|----------|----------|
| Creator | OpenAI | LG AI Research |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 262K |
| Independent public score (not head-to-head) | 66.52 | null |
| Benchmarks Covered | 7 | 15 |
| Pricing (input/output) | $0.10 / $0.50 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: 55.4 (Estimated · #26/105)
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| ExploitGym | 11.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 43.8% | Coming soon |
| Claw-Eval | Coming soon | 77.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: 53.9 (Supported · #32/135)
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 66.6% | Coming soon | Coming soon |
| SciCode | Coming soon | 37.4% | Coming soon |
| SWE-bench Verified | Coming soon | 68.2% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 43.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: 78.3 (#6/18)
- K-EXAONE 2.0 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: 71.3 (Unranked · 1 rankable row)
- K-EXAONE 2.0 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: 66.3 (Estimated · #18/160)
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 50.0% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 54.5% | Coming soon | Coming soon |
| HealthBench Professional | 60.8% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 61.2% | Coming soon | Coming soon |
| HealthBench Hard | 31.4% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 83.5% | Coming soon |
| GPQA-D | Coming soon | 82.2% | Coming soon |
| HLE | Coming soon | 18.3% | Coming soon |
| MMMLU | Coming soon | 86.6% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| PolyMath | Coming soon | 71.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.4% | Coming soon |
| IFBench | Coming soon | 72.6% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-6 Luna public-lane score: Coming soon
- K-EXAONE 2.0 public-lane score: Coming soon

| Benchmark | GPT-6 Luna | K-EXAONE 2.0 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 92.3% | Coming soon |
| HMMT Feb 2026 | Coming soon | 78.4% | Coming soon |
| IMOAnswerBench | Coming soon | 78.6% | Coming soon |

## FAQ

### Can I compare GPT-6 Luna and K-EXAONE 2.0 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

- [GPT-6 Luna vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-luna)
- [K-EXAONE 2.0 vs GPT-6 Astra](/compare/gpt-6-astra-vs-k-exaone-2-0)
- [GPT-6 Luna vs GPT-6 Sol](/compare/gpt-6-luna-vs-gpt-6-sol)
- [K-EXAONE 2.0 vs GPT-6 Sol](/compare/gpt-6-sol-vs-k-exaone-2-0)

## Explore More

- [GPT-6 Luna profile](/models/gpt-6-luna)
- [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)