Model comparison
Grok 4.5 vs K-Exaone
Head-to-head evidence from 9 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Grok 4.5 supported; K-Exaone estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 4.5 and K-Exaone share 9 comparable benchmark results. 0 of 8 categories are comparable. 18 results are unique to Grok 4.5; 3 to K-Exaone.
Updated July 16, 2026- Shared results
- 9
- Grok 4.5 only
- 18
- K-Exaone only
- 3
- Comparable categories
- 0 / 8
Benchmark data for Grok 4.5 and K-Exaone is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 3 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Grok 4.5 has the larger context window at 500K, compared with 256K for K-Exaone.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Grok 4.5 | Δ | K-Exaone |
|---|---|---|---|
| Agentic | Grok 4.583.3 | MarginNo overlap | K-ExaoneNot measured |
| Coding | Grok 4.564.7 | MarginNo overlap | K-ExaoneNot measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok 4.5 | K-Exaone | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 4.5$2 input / $6 output | K-ExaoneNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Grok 4.5Not available | K-ExaoneNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Grok 4.5Not available | K-ExaoneNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Grok 4.5500K | K-Exaone256K | Grok 4.5 lists the larger context window. |
Benchmark Deep Dive
Agentic11 benchmarks
| Benchmark | Grok 4.5 | K-Exaone | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 83.3% | — | Not comparable |
| deepSweSource | 53% | — | Not comparable |
| AA Agentic IndexSource | 45.7% | — | Not comparable |
| GDPval-AASource | 51.9% | — | Not comparable |
| GDPval-AASource | 1539 | — | Not comparable |
| AA BriefcaseSource | 1324 | — | Not comparable |
| AA AutomationBenchSource | 51.4% | — | Not comparable |
| AA EnterpriseOps-GymSource | 40.8% | — | Not comparable |
| AA Harvey LABSource | 13.3% | — | Not comparable |
| AA Tau3 BankingSource | 32.6% | — | Not comparable |
| τ²-bench resultsSource | — | 74.3% | Not comparable |
Coding8 benchmarks
| Benchmark | Grok 4.5 | K-Exaone | Result |
|---|---|---|---|
| SWE-bench ProSource | 64.7% | — | Not comparable |
| SWE MultilingualSource | 78% | — | Not comparable |
| Terminal-Bench 2.0Source | 83.3% | — | Not comparable |
| cursorBench32Source | 66.7% | — | Not comparable |
| AA Coding IndexSource | 72.5% | — | Not comparable |
| AA-SciCodeSource | 54.1% | 35.6% | Grok 4.5 leads |
| AA Terminal-Bench 2.1Source | 81.6% | — | Not comparable |
| Terminal-Bench HardSource | — | 22.7% | Not comparable |
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Grok 4.5 | K-Exaone | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 53.8% | 24.7% | Grok 4.5 leads |
| AA-GPQA DiamondSource | 93.1% | 78.3% | Grok 4.5 leads |
| AA-HLESource | 40.3% | 13.1% | Grok 4.5 leads |
| AA-Omniscience IndexSource | 26.4% | -57.9% | Grok 4.5 leads |
| AA-Omniscience AccuracySource | 52.1% | 16.5% | Grok 4.5 leads |
| AA-Omniscience Hallucination RateSource | 53.5% | 89.1% | Grok 4.5 leads |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Grok 4.5 | K-Exaone | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 64.7% | Not comparable |
Frequently Asked Questions (3)
Can I compare Grok 4.5 and K-Exaone on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Grok 4.5 and K-Exaone today?
Grok 4.5: $2.00 input / $6.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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