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✦ 128k Frontier Intelligence API

Build with Zero API.

Ultra-fast 128k context reasoning models. Real token counting and ₹100 Free Credits on sign up.

Create API KeyLive Token CounterView Docs

MODELS & PRICING

Frontier 128k Architecture

Titan Pro

zero-titan-pro
BALANCED FOR EVERYDAY

Balanced performance for everyday reasoning, rapid chat, code generation & high-throughput RAG pipelines.

Context Window:128k (131,072 tokens)
Input Tokens:₹8.30 / 1M ($0.10)
Output Tokens:₹24.90 / 1M ($0.30)
₹100 Free Credit:~1.2 Million Tokens
Use Titan Pro (128k) →

Titan Ultra

zero-titan-ultra
DEEP REASONING

Complex multi-step reasoning, deep mathematical proofs, system architecture & tool orchestration.

Context Window:128k (131,072 tokens)
Input Tokens:₹37.35 / 1M ($0.45)
Output Tokens:₹112.05 / 1M ($1.35)
₹100 Free Credit:~450k Tokens
Use Titan Ultra (128k) →

Real-Time Token Counter & Calculator

Type or paste text to compute exact tokens, character weights, and real-time cost deduction from your ₹100 balance.

Input Prompt / Code
Characters434
Words49
Real Tokens115
Exact Cost BreakdownINR (₹) Rates
Input Cost:₹0.00095 ($0.000012)
Est. Output:
₹0.01120 ($0.000135)
Total Cost / Request:₹0.0122
🎁 With your ₹100 Free Credit:

~8,224 requests

Zero credit card required to start building.
Manage API Keys & Wallet →

API Keys & Live Balance

Generate secret keys to authenticate your SDK or REST API requests with real token balance deduction.

Starter Credits₹100.00
Remaining Balance
₹100.00
Tokens Consumed0
Total Requests0
Credit Utilization: ₹0.0000 spent0.00% used
Free ₹100 credits active
Your Active API Keys (0)
No API keys created yet. Click "+ Create Secret Key" above to generate your first key.

Quick Integration

Works with OpenAI SDKs, LangChain, LlamaIndex, and standard cURL endpoints.

curl https://www.zerolabs.live/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer zl-sk-live-your_api_key_here" \
  -d '{
    "model": "titan-ultra",
    "messages": [{"role": "user", "content": "Explain 128k context reasoning."}],
    "max_tokens": 131072
  }'