Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, MoonshotAI: Kimi K2.5 delivers higher overall intelligence and human-preferred responses (Elo 1,515 vs 1,475), while MoonshotAI: Kimi K2.5 leads in SWE-bench software engineering benchmarks (71.3%), while MoonshotAI: Kimi K2.5 is more budget-friendly at $2.85/1M per 1M output tokens, while Z.ai: GLM 5V Turbo provides faster response streaming (112 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
Auto-discovered from OpenRouter (z-ai/glm-5v-turbo). Preview until a second source matches.
Auto-discovered from OpenRouter (moonshotai/kimi-k2.5). Preview until a second source matches.
Simulate accuracy gains vs added response time & token cost
Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.
Δ 40 Arena Elo pts
112 tok/s
$2.8499999999999996 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
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 | Z.ai: GLM 5V Turbo | MoonshotAI: Kimi K2.5 | Advantage Delta |
|---|---|---|---|
| Preference Elo | MoonshotAI: Kimi K2.5 (+40) | ||
| Coding Elo | MoonshotAI: Kimi K2.5 (+38) | ||
| LiveBench | MoonshotAI: Kimi K2.5 (+3.4%) | ||
| SWE-bench | MoonshotAI: Kimi K2.5 (+6.1%) | ||
| GPQA Diamond | MoonshotAI: Kimi K2.5 (+10.2%) | ||
| Time to first token | Z.ai: GLM 5V Turbo (+90 ms) | ||
| Output speed | 112 tok/s | 72 tok/s | Z.ai: GLM 5V Turbo (+40 tok/s) |
| Input price | $1.2/1M | $0.57/1M | MoonshotAI: Kimi K2.5 (+$0.63/1M) |
| Output price | $2.85/1M | MoonshotAI: Kimi K2.5 (+$1.15/1M) | |
| Context window | MoonshotAI: Kimi K2.5 (+59k) |
Simulate monthly production API costs in USD (US Dollar).
MoonshotAI: Kimi K2.5 is estimated to save $39.30/month ($472/year).
Higher SWE-bench (71.3%).
Lower output list price ($2.85/1M).
Lower TTFT (180 ms).
Larger window (262k).
Both accept images. Defaulting to the higher-Elo side (MoonshotAI: Kimi K2.5).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | MoonshotAI: Kimi K2.5 | Higher SWE-bench (71.3%). |
| High-volume chat | MoonshotAI: Kimi K2.5 | Lower output list price ($2.85/1M). |
| Voice / low-latency UI | Z.ai: GLM 5V Turbo | Lower TTFT (180 ms). |
| Long-document RAG | MoonshotAI: Kimi K2.5 | Larger window (262k). |
| Screenshots / vision | MoonshotAI: Kimi K2.5 | Both accept images. Defaulting to the higher-Elo side (MoonshotAI: Kimi K2.5). |
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