Gemini 2.5 Flash vs Kimi K2.6
Both are Mid-tier models, from Google and Moonshot AI respectively. Gemini 2.5 Flash is the cheaper choice overall at a 4:1 input:output ratio.
Which is cheaper
- Input price: Gemini 2.5 Flash is cheaper ($0.30 vs $0.95).
- Output price: Gemini 2.5 Flash is cheaper ($2.50 vs $4.00).
- Blended, 4:1 input:output ratio: Gemini 2.5 Flash is 52.6% cheaper ($0.74 vs $1.56 per weighted 1M tokens).
Side by side
| Spec | Gemini 2.5 Flash | Kimi K2.6 |
|---|---|---|
| Provider | Moonshot AI | |
| Tier | Mid | Mid |
| Context window | 1M | 262K |
| Max output | — | — |
| Input $/1M | $0.30 | $0.95 |
| Output $/1M | $2.50 | $4.00 |
| Cache read $/1M | $0.03 | $0.16 |
| Modalities | text, image | text |
Gemini 2.5 Flash. Standard tier, text/image/video rate; audio input $1.00/1M. Cache storage $1.00/1M tokens/hour. Page explicitly states this model supports a 1M token context window.
Kimi K2.6. input is cache-miss (standard) price per 1M tokens; cache_read is cache-hit price ($0.16).
Sources
Gemini 2.5 Flash — verified August 29, 2026
Kimi K2.6 — verified August 29, 2026
Full Gemini 2.5 Flash pricing page → · Full Kimi K2.6 pricing page →