Unlimited free AI, always routed to the best model in real time.
Try it now — no signup required
↵ Enter to send · Shift+Enter for new line
Powered by ZeroOptimize™ —auto-picks the best model · No signup needed
No credit card required · Cancel anytime
Our engine monitors all major free models daily and routes every message to the top performer.
Rankings refreshed every 24h · based on LMSYS ELO benchmarks
Benchmark score
LMSYS ELO
Model family
Architecture quality
Context window
Token capacity
Parameter count
Model size
Provider uptime
Reliability
Vision support
Image analysis
Recency
Release date
Output quality
Response scoring
Speed
Tokens per second
Latency
First token time
Daily auto-ranking
Models ranked every 24h so you always get the current best
Smart failover
If a model is down, the next best one responds instantly
Zero config
No need to choose a model — we handle it automatically
Unlike a chatbot, ZeroClaw builds a persistent memory about you — your preferences, projects, and context. Every conversation gets smarter.
ZeroClaw remembers:
Prefers Python over JavaScript
Working on a SaaS product
Morning person, likes concise answers
Uses dark mode
Team: 2 engineers, 1 designer
ZeroClaw response:
Based on your Python project and preference for clean code, here's an optimized approach...
One API key. Every frontier AI model. ZeroOptimize™ routes automatically to the best free model available — no code changes needed.
from openai import OpenAI
client = OpenAI(
base_url="https://zerolimitai.com/api/v1",
api_key="YOUR_API_KEY",
)
# ZeroOptimize™ picks the best free model for every call
response = client.chat.completions.create(
model="auto",
messages=[{"role": "user", "content": "Hello!"}],
)API tiers
We build what the community votes for. Try experiments early and vote for what ships next.
Live experiments
Stop paying monthly for AI. Own it forever.
Prices in USD · VAT may apply
3 days · no credit card
Pay once, use forever
Unlimited messages forever
No daily caps. Chat as much as you want.
30-day money-back guarantee · No subscriptions · Your data is never used for training
Every capability works with ZeroOptimize™ — always routed to the best free model.
Unlimited messages, best model, every time
FLUX & Seedream models, up to 100/day
Full code generation, review and debugging
Upload images, get instant AI analysis
PDF, TXT, CSV, MD and more
Real-time web results in every chat
Whisper-powered, 99+ languages
AI video generation — Pro plan
Your personal AI agent
Unlike a chatbot, ZeroClaw builds memory about you and gets smarter with every conversation.
Works with OpenClaw
Use ZeroLimitAI as AI backend in OpenClaw, Cursor, Continue, or any OpenAI-compatible app.
baseURL: zerolimitai.com/api/v1
apiKey: zlai_••••••••••
ChatGPT Plus costs $240/yr. Claude Pro costs $240/yr. You pay once — $49 forever.
Competitors — paying monthly
GPT-4o · 1 model only
See comparison →
Claude Sonnet 4.6 · 1 model only
See comparison →
Gemini 2.5 Pro · 1 model only
See comparison →
Grok 3 · 1 model only
See comparison →
Search only · 1 model only
See comparison →
ZeroLimitAI — pay once
ZeroOptimize™
✓ Auto-selects best model
Image generation
✓ 40–100 images/day
Custom agents
✓ Up to 5 agents
Lifetime access
Pay once, use forever
What users say
“I switched from ChatGPT Plus and haven't looked back. ZeroOptimize always picks the right model — I didn't realize how much I was missing.”
Carlos M.
Freelance Developer
“The $49 lifetime deal is ridiculous value. I use it every day for research and writing. It just works.”
Sarah K.
Content Strategist
“Having Gemini 2.5 and Llama 4 automatically without managing API keys is exactly what I needed. Clean UI, fast responses.”
Alex T.
Product Manager
“ZeroClaw remembers my coding style and project context. It's like having a senior dev on call 24/7.”
Miguel L.
Full-Stack Engineer
“I was skeptical about lifetime deals but this one delivered. The image generation alone is worth it.”
Diana R.
UI/UX Designer
“Best AI investment I've made. No more subscription anxiety, and the models get updated automatically.”
Paul S.
Marketing Director
Every 24 hours our ZeroOptimize™ engine checks all major free models and ranks them by benchmark score, context window, and reliability. Your messages are always routed to the highest-ranked one.