Updated March 26, 2026· Based on independent benchmark data
Kimi K2.5 (Reasoning) and Gemini 3 Flash Preview (Reasoning) are virtually tied on intelligence (46.8 vs 46.4). For speed, Gemini 3 Flash Preview (Reasoning) wins at 192 tok/s vs 34 tok/s.
| Metric | Kimi K2.5 (Reasoning) | Gemini 3 Flash Preview (Reasoning) |
|---|---|---|
| Intelligence Score | 46.8 | 46.4 |
| Coding Score | 39.5 | 42.6 |
| Math Score | N/A | 97.0 |
| Speed (tok/s) | 34 tok/s | 192 tok/s |
| Latency (TTFT) | 1.40s | 6.11s |
| Input Price / 1M tokens | $0.60 | $0.50 |
| Output Price / 1M tokens | $3.00 | $3.00 |
| Context Window | N/A |
Kimi K2.5 (Reasoning) and Gemini 3 Flash Preview (Reasoning) perform similarly on overall intelligence, scoring 46.8 and 46.4 respectively. For coding tasks, Gemini 3 Flash Preview (Reasoning) has the edge with a coding score of 42.6 vs 39.5.
Gemini 3 Flash Preview (Reasoning) generates output significantly faster at 192 tok/s compared to Kimi K2.5 (Reasoning)'s 34 tok/s, making it 5.6x faster for streaming responses. Time to first token is 1.40s for Kimi K2.5 (Reasoning) vs 6.11s for Gemini 3 Flash Preview (Reasoning), which affects perceived responsiveness in interactive applications.
Gemini 3 Flash Preview (Reasoning) is more affordable at $0.50/1M input tokens ($3.00/1M output), while Kimi K2.5 (Reasoning) costs $0.60/1M input ($3.00/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Kimi K2.5 (Reasoning) would cost approximately $3.60/month vs $3.00/month for Gemini 3 Flash Preview (Reasoning) in input costs alone.
Choose Gemini 3 Flash Preview (Reasoning) when you need stronger coding performance (42.6), faster output (192 tok/s).
Gemini 3 Flash Preview (Reasoning) scores higher on coding benchmarks (42.6 vs 39.5), making it the better choice for programming tasks.
Gemini 3 Flash Preview (Reasoning) is cheaper at $0.50/1M input tokens vs $0.60/1M for Kimi K2.5 (Reasoning).
Gemini 3 Flash Preview (Reasoning) is faster, producing output at 192 tok/s compared to Kimi K2.5 (Reasoning)'s 34 tok/s.
No, Kimi K2.5 (Reasoning) does not support image input. Neither model supports image input.
Data last synced: March 26, 2026
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Both models perform similarly on intelligence benchmarks. Choose based on specific needs: pricing, speed, context window, or provider ecosystem.