Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Kimi K2 delivers higher overall intelligence and human-preferred responses (Elo 1,465 vs 1,450), while Kimi K2 leads in SWE-bench software engineering benchmarks (65.8%), while Ernie 4.5 Turbo is more budget-friendly at $1.2/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Baidu current multimodal enterprise foundation model with broad Chinese knowledge.
Moonshot foundation model with strong native bilingual reasoning and 65.8% SWE-bench Verified coding baseline.
Δ 15 Arena Elo pts
95 tok/s
$1.2 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Ernie 4.5 Turbo | Kimi K2 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +15 | ||
| Coding Elo | +35 | ||
| LiveBench | +1.8% | ||
| SWE-bench | +8.8% | ||
| GPQA Diamond | +2% | ||
| Time to first token | +40 ms | ||
| Output speed | 95 tok/s | 85 tok/s | +10 tok/s |
| Input price | $0.3/1M | $0.35/1M | +$0.05/1M |
| Output price | $1.2/1M | $1.4/1M | +$0.2/1M |
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
Ernie 4.5 Turbo is estimated to save $4.75/month ($57/year).
Higher SWE-bench (65.8%).
Lower output list price ($1.2/1M).
Lower TTFT (200 ms).
Larger window (128k).
Both accept images. Defaulting to the higher-Elo side (Kimi K2).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Kimi K2 | Higher SWE-bench (65.8%). |
| High-volume chat | Ernie 4.5 Turbo | Lower output list price ($1.2/1M). |
| Voice / low-latency UI | Ernie 4.5 Turbo | Lower TTFT (200 ms). |
| Long-document RAG | Ernie 4.5 Turbo | Larger window (128k). |
| Screenshots / vision | Kimi K2 | Both accept images. Defaulting to the higher-Elo side (Kimi K2). |
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