Gemini 3.1 Pro vs Kimi K2.7 Code: API Pricing
Input and output token rates, context windows, and real monthly cost for Gemini 3.1 Pro (Google) and Kimi K2.7 Code (Moonshot), side by side. Prices are standard on-demand rates as of June 2026.
The short answer
For a typical coding-agent workload (60M in / 12M out per month), Kimi K2.7 Code is the cheaper option at $105/mo versus $264/mo for Gemini 3.1 Pro - about 60% less (2.5× cheaper). On the headline sticker of 1M input + 1M output, Gemini 3.1 Pro is $14.00 and Kimi K2.7 Code is $4.95.
Rates at a glance
| Gemini 3.1 Pro | Kimi K2.7 Code | |
|---|---|---|
| Input ($/1M tokens) | $2.00 | $0.95 |
| Output ($/1M tokens) | $12.00 | $4.00 |
| Blended (1M in + 1M out) | $14.00 | $4.95 |
| Context window | 1,000K | 262K |
| Type | Proprietary | Open-weight |
| Provider | Moonshot |
Monthly cost by workload
Estimated monthly API spend at each workload's token volume. Output usually costs several times input, so the winner can flip with your mix.
| Workload | Gemini 3.1 Pro | Kimi K2.7 Code | Cheaper |
|---|---|---|---|
| Chatbot / assistant 10M in / 3M out | $56.00/mo | $21.50/mo | Kimi K2.7 Code |
| Coding agent 60M in / 12M out | $264/mo | $105/mo | Kimi K2.7 Code |
| RAG / summarization 40M in / 4M out | $128/mo | $54.00/mo | Kimi K2.7 Code |
| Batch / classification 20M in / 2M out | $64.00/mo | $27.00/mo | Kimi K2.7 Code |
Want your own in/out split? Use the full interactive comparator to rank every model and provider for your exact workload.
Frequently asked questions
Is Gemini 3.1 Pro or Kimi K2.7 Code cheaper?
It depends on your input/output mix, but for a typical coding-agent workload (60M in / 12M out per month) Kimi K2.7 Code costs $105/mo versus $264/mo for Gemini 3.1 Pro - about 60% less (2.5x). On the headline sticker (1M input + 1M output), Gemini 3.1 Pro is $14.00 and Kimi K2.7 Code is $4.95.
What are the token rates for Gemini 3.1 Pro and Kimi K2.7 Code?
Gemini 3.1 Pro (Google) is $2.00 per 1M input and $12.00 per 1M output. Kimi K2.7 Code (Moonshot) is $0.95 per 1M input and $4.00 per 1M output. These are standard on-demand rates, not cached or batch.
Is Gemini 3.1 Pro or Kimi K2.7 Code open-weight?
Gemini 3.1 Pro is proprietary and Kimi K2.7 Code is open-weight. Open-weight models can be self-hosted or run on third-party hosts at different rates, so the first-party price shown here is a starting point, not the only option.
What context window do Gemini 3.1 Pro and Kimi K2.7 Code support?
Gemini 3.1 Pro supports 1,000K tokens and Kimi K2.7 Code supports 262K tokens. Some models also step up pricing past a size threshold - check the source pricing pages for long-context tiers.
More pricing comparisons
Stay ahead of the AI tools curve
Picks, reviews, and automation tips every weekday. Free, no spam.