kimi-k3 · Moonshot AI
Moonshot's flagship with a 1M-token context at $3/$15 — premium-tier pricing with a 90% cache-hit discount.
Last checked Aug 16, 2026. Calculations use the listed base rates; provider-specific tiers, cache writes, batch pricing, and long-context rules may differ. Note: Max output not published; family default shown. Prices exclude taxes. Confirm the current rate at the official provider source.
Input
$3.00
per 1M tokens
Output
$15.00
per 1M tokens
Cached input
$0.30
per 1M tokens
Context window
1M
max output 32.8K
Kimi K3 cost calculator
What Kimi K3 costs per task
| Use case | Input tokens | Output tokens | Cost / request | Monthly @ 1K req/day |
|---|---|---|---|---|
| Customer support chatbot | 3,500 | 350 | $0.009135 | $274.05 |
| RAG / search-augmented answers | 8,000 | 500 | $0.0207 | $621.00 |
| AI coding assistant | 12,000 | 2,000 | $0.0466 | $1,396.80 |
| Document summarization | 25,000 | 600 | $0.0773 | $2,317.50 |
| Agentic workflow | 40,000 | 1,500 | $0.0723 | $2,169.00 |
| Content generation | 800 | 1,200 | $0.0198 | $592.56 |
| Data extraction & tagging | 2,000 | 250 | $0.00867 | $260.10 |
| Translation | 5,000 | 5,500 | $0.0955 | $2,864.25 |
Assumes each use case's typical cacheable share of input. See full cost scenarios.
Compare with alternatives
| Model | Input /M | Output /M | Context | Chat request* |
|---|---|---|---|---|
| Kimi K3 | $3.00 | $15.00 | 1M | $0.0186 |
| Claude Sonnet 5compare | $2.00 | $10.00 | 1M | $0.0124 |
| GPT-5.6 Terra | $2.00 | $12.00 | 1.1M | $0.014 |
| Gemini 3.6 Flash | $1.50 | $7.50 | 1M | $0.0093 |
*4,000 in + 800 out tokens, 50% cached input where available.
Related calculations
FAQ
Kimi K3 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens, with cached input at $0.30 per 1M tokens. Verified Aug 16, 2026 against https://platform.kimi.ai/docs/pricing/chat-k3.
Kimi K3 supports a 1,048,576-token context window with up to 32,768 output tokens per request, tokenized with Kimi tokenizer (Moonshot).
At $3.00/M input and $15.00/M output, Kimi K3 sits above Claude Sonnet 5 ($2.00/M in, $10.00/M out) — see the comparison table for full-workload differences.