Curtly
Moonshot AI · Kimi K3 · Kimi 160k BPE

Kimi K3 token cost optimizer and calculator

Maximize ultra-long context window value by compressing source documents and pruning output fluff.

Input token price
$3.00/1M
Output token price
$15.00/1M (5x)
Tokenizer family
Kimi 160k BPE
Average combined savings
Up to 65%

Why Kimi K3 generates high API invoices

Kimi K3 excels at processing massive document collections and long contexts, but ingesting 200k+ token files at $3.00/1M input and $15.00/1M output quickly escalates costs. Raw document formatting and repetitive context eat up large portions of your budget.

1

Long-context document bloat

PDF scrapes, legal texts, and financial reports contain excessive whitespace, headers, and footers that burn thousands of billable tokens.

2

5x output generation rate

Output tokens cost $15.00/1M. Unconstrained summaries and verbose synthesis multiply expenses unnecessarily.

3

Kimi 160k BPE number splitting

Numeric sequences and table data in financial documents can split into sub-tokens under dense tokenization, increasing token volume.

Moonshot Kimi 160k BPE profile

Efficiency rating: Strong long-context handling with 160k vocabulary

Trained for long-horizon context retrieval with a 160,000 vocabulary size. Shows high efficiency on long-form context and documents.

How Curtly optimizes Kimi K3 workflows

Document structural deduplication

Removes redundant headers, footers, and structural noise from retrieved long context before forwarding to Kimi K3.

Concise summary injection

Constrains Kimi K3 output to direct, high-information findings, saving up to 45% on generation tokens.

Safe Vault data preservation

Guarantees that financial tables, dates, and citations remain exact and unaltered.

1-line drop-in integration (typescript)
import OpenAI from 'openai'; const client = new OpenAI({ apiKey: process.env.MOONSHOT_API_KEY, baseURL: 'https://proxy.curtly.dev/v1', defaultHeaders: { 'X-Curtly-Key': process.env.CURTLY_API_KEY }, }); const response = await client.chat.completions.create({ model: 'kimi-k3', messages: [{ role: 'user', content: 'Extract key clauses from 50-page agreement' }], });
Kimi K3 ROI simulator

Simulate your Kimi K3 savings

Calculate your exact monthly financial return with Kimi K3.

M tokens
Presets:
Production model
Input payload architecture
-57% input tokens
Output response efficiency
-35% output tokens
Sub-2ms latency
Zero schema syntax drift
1-line baseURL proxy drop-in
Estimated net savings
$3,781/mo
+$45,372 projected annual savings
Current provider bill$9,000/mo
New bill with Curtly$5,190/mo
Curtly planGrowth ($29/mo)
Input prompt savings (57%)-$1,710/mo
Output generation savings (35%)-$2,100/mo
Payback return13,038% ROI (pays off in < 24h)
Start optimizing freeInspect benchmark comparisons below↓
Free tier available. No credit card required.

Frequently asked questions: Kimi K3

Curtly processes large inputs in streaming chunks using memory-mapped buffers, cleaning structural noise in milliseconds without running out of RAM.

Ready to optimize Kimi K3 in production?

Connect your client SDK in 60 seconds. Eliminate generation fluff and compress context payloads with zero code breaking changes.