Conversation / Quote
Kimi K3.1 Pro API Price
Moonshot Kimi · kimi-k3.1-pro
| Billing | CNY · 1M tokens |
|---|---|
| Context Window | 1049K tokens |
| Max Output | 1049K tokens |
| Modalities | Text / Image |
| Deep Thinking | Supported |
| Verified Date | 2026-10-26 |
| Official pricing page | platform.kimi.com/docs/pricing/chat ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
K3.1 系列首个旗舰（3 万亿参数，1M 上下文，始终思考模式，reasoning_effort low/high/max）；缓存写入 TTL 5min ¥13 / 1h ¥26（字段取默认 5min 档）；充值≥10 元解锁，代金券不可用；高速版另列。权重 2026-11-04 前开放。
Report a pricing issue
Found inaccurate pricing or model information? We will review it.
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
Moonshot Kimi Related Models
FAQ
How much does the Kimi K3.1 Pro API cost?
Input ¥13/1M tokens, output ¥68/1M tokens
How large is the Kimi K3.1 Pro context window?
1049K tokens, up to 1049K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Does Kimi K3.1 Pro support prompt caching?
Yes. Cache writes cost ¥13/1M tokens and cache-hit reads cost ¥1.3/1M tokens. This significantly cuts the cost of repeated input — ideal for long system prompts and codebase analysis.
Which input modalities does Kimi K3.1 Pro support?
Text / Image. Supports deep thinking / reasoning.
What is the approximate monthly cost of Kimi K3.1 Pro?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥1,002/month; medium (5M + 1.5M) ≈ ¥5,010/month; heavy agents (10M + 3M) ≈ ¥10,020/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Kimi K3.1 Pro compare with peers on value?
Moonshot Kimi Kimi K3.1 Pro is competitively priced among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit Kimi K3.1 Pro?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.The long context supports deep-analysis scenarios.
Does Kimi K3.1 Pro have a free tier?
Check Moonshot Kimi's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.