Gemini 3.6 Flash vs Kimi K2.6
Google against Moonshot AI, costed on the same three workloads. Gemini 3.6 Flash is cheaper on all three workloads.
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Monthly bill, side by side
| Workload | Gemini 3.6 Flash | Kimi K2.6 | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$3,021 | $3,522 | $502 (+17%) |
| Document summarizer 1,000 single-shot summaries a day |
$364 | $444 | $79.20 (+22%) |
| Coding agent 200 twelve-turn sessions a day |
$2,106 | $2,533 | $427 (+20%) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Gemini 3.6 Flash | Kimi K2.6 | |
|---|---|---|
| Input, per 1M tokens | $0.75 (Promotional rate until 2026-12-31 — standard rate $1.5/M) | $0.95 |
| Output, per 1M tokens | $3.75 (Promotional rate until 2026-12-31 — standard rate $7.5/M) | $4 |
| Cached input | $0.075 (Promotional rate until 2026-12-31 — standard rate $0.15/M) | $0.16 |
| Context window | 1.05M | 262K |
| Maximum output | 66K | 262K |
| Reasoning model | yes | yes |
| Vision | yes | yes |
Beyond the price
- Gemini 3.6 Flash reads up to 1.05M tokens of context in one request; Kimi K2.6 stops at 262K.
- Kimi K2.6 can write up to 262K tokens in one response, against 66K for Gemini 3.6 Flash.
- Cached input costs 90% less than fresh input on Gemini 3.6 Flash and 83% less on Kimi K2.6, which matters most for workloads that resend the same prompt.
Run this comparison on your own numbers
Full detail: Gemini 3.6 Flash pricing · Kimi K2.6 pricing
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Common questions
Which is cheaper, Gemini 3.6 Flash or Kimi K2.6?
Gemini 3.6 Flash is cheaper on all three workloads.
How much would Gemini 3.6 Flash and Kimi K2.6 cost each month?
On PromptSpend's standard workloads, per month: support chatbot: Gemini 3.6 Flash $3,021, Kimi K2.6 $3,522 (Gemini 3.6 Flash is cheaper by $502); document summarizer: Gemini 3.6 Flash $364, Kimi K2.6 $444 (Gemini 3.6 Flash is cheaper by $79.20); coding agent: Gemini 3.6 Flash $2,106, Kimi K2.6 $2,533 (Gemini 3.6 Flash is cheaper by $427). No prompt caching and no batch discount is assumed.
How do Gemini 3.6 Flash and Kimi K2.6 differ apart from price?
Gemini 3.6 Flash reads up to 1.05M tokens of context in one request; Kimi K2.6 stops at 262K. Kimi K2.6 can write up to 262K tokens in one response, against 66K for Gemini 3.6 Flash. Cached input costs 90% less than fresh input on Gemini 3.6 Flash and 83% less on Kimi K2.6, which matters most for workloads that resend the same prompt.