Model comparison
K-Exaone vs Kimi K2
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: K-Exaone #126 (Estimated); Kimi K2 #189 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. K-Exaone and Kimi K2 share 11 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to K-Exaone; 3 to Kimi K2.
Updated July 18, 2026- Shared results
- 11
- K-Exaone only
- 0
- Kimi K2 only
- 3
- Comparable categories
- 0 / 8
Benchmark data for K-Exaone and Kimi K2 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 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.
K-Exaone has the larger context window at 256K, compared with 128K for Kimi K2.
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 | K-Exaone | Δ | Kimi K2 |
|---|---|---|---|
| Math | K-ExaoneNot measured | MarginNo overlap | Kimi K216.1 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | K-Exaone | Kimi K2 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | K-ExaoneNot available | Kimi K2$0.6 input / $2.5 output | A complete price comparison is not available. |
| Generation speedtokens per second | K-ExaoneNot available | Kimi K243 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | K-ExaoneNot available | Kimi K21.51 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | K-Exaone256K | Kimi K2128K | K-Exaone lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | K-Exaone | Kimi K2 | Result |
|---|---|---|---|
| τ²-bench resultsSource | 74.3% | 61.1% | K-Exaone leads |
Coding1 benchmarks
| Benchmark | K-Exaone | Kimi K2 | Result |
|---|---|---|---|
| AA-SciCodeSource | 35.6% | 34.5% | K-Exaone leads |
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | K-Exaone | Kimi K2 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 24.7% | 19.4% | K-Exaone leads |
| AA-GPQA DiamondSource | 78.3% | 76.6% | K-Exaone leads |
| AA-HLESource | 13.1% | 7.0% | K-Exaone leads |
| AA-Omniscience IndexSource | -57.9% | -27.5% | Kimi K2 leads |
| AA-Omniscience AccuracySource | 16.5% | 26.8% | Kimi K2 leads |
| AA-Omniscience Hallucination RateSource | 89.1% | 74.2% | Kimi K2 leads |
Math2 benchmarks
Multimodal1 benchmarks
| Benchmark | K-Exaone | Kimi K2 | Result |
|---|---|---|---|
| Design Arena WebsiteSource | — | 1083 | Not comparable |
Inst. Following1 benchmarks
| Benchmark | K-Exaone | Kimi K2 | Result |
|---|---|---|---|
| AA-IFBenchSource | 64.7% | 41.5% | K-Exaone leads |
Frequently Asked Questions (3)
Can I compare K-Exaone and Kimi K2 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 K-Exaone and Kimi K2 today?
Kimi K2: $0.60 input / $2.50 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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