Pairwise benchmark snapshot · Aug 16, 2026
This page compares Gemini 2.5 Pro (Google) and MoonshotAI: Kimi K2.5 (Moonshot) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, MoonshotAI: Kimi K2.5 is ahead by 165 points (1,515 vs 1,350; seed-bootstrap (Aug 1, 2026)). On SWE-bench coding, MoonshotAI: Kimi K2.5 resolves 71.3% versus 63.8% (seed-bootstrap (Aug 1, 2026)). Gemini 2.5 Pro streams faster (95 tok/s) while MoonshotAI: Kimi K2.5 is the cheaper output token ($2.85/1M). Gemini 2.5 Pro has the larger context window (1M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.
Moonshot
MoonshotAI: Kimi K2.5Auto-discovered from OpenRouter (moonshotai/kimi-k2.5). Preview until a second source matches.
Instant pairwise benchmark recalculation across 400+ LLMs
Category wins across intelligence, speed, and pricing efficiency.
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
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
165 pts advantage
23 tok/s faster
$7.15/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
MoonshotAI: Kimi K2.5 is estimated to save $131.05/month ($1,573/year).
Higher SWE-bench (71.3%).
Lower output list price ($2.85/1M).
Lower TTFT (210 ms).
Larger window (1M).
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 | Gemini 2.5 Pro | Lower TTFT (210 ms). |
| Long-document RAG | Gemini 2.5 Pro | Larger window (1M). |
| Screenshots / vision | MoonshotAI: Kimi K2.5 | Both accept images. Defaulting to the higher-Elo side (MoonshotAI: Kimi K2.5). |
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Verified head-to-head card
