Every day, thousands of developers make costly decisions about AI models based on incomplete information and marketing hype.
Hours of Research
Developers waste 40+ hours researching which AI model to use
Expensive Mistakes
Wrong model choice costs companies $50K+ in wasted API calls
Bad First Impressions
A slow or inaccurate AI assistant can cut conversions by up to 27%
WhichLLMs eliminates the guesswork with real-time testing, intelligent analysis, and actionable recommendations.
Instant Comparison
Test 200+ models simultaneously in seconds
Smart Recommendations
AI-powered analysis finds the perfect model for your use case
Real-Time Benchmarks
Up-to-date model tests, not marketing hype or outdated reviews
Before WhichLLMs
- Spend weeks researching models
- Read biased marketing materials
- Make expensive wrong choices
- Waste time on trial and error
- Constantly track new models & updates
With WhichLLMs
- Get results in seconds
- See real performance data
- Make confident decisions
- Start building immediately
- Always up-to-date, we add the latest models for you
Watch how WhichLLMs analyzes your prompt across 200+ models and delivers instant recommendations.
"Write a professional email to a client explaining a project delay and proposing solutions."
Everything you need to know about WhichLLMs.

Trusted by40+ Builders
Join the developers and companies who've already transformed their AI decision-making process.
"I love this! The LLM market changes so fast, and WhichLLMs has been a game-changer for me to optimize costs and pick the right model."
"I used to do all this manually... such a time saver now!"
"So cool! Finally an easy way to find the right LLM for each use case."
"Game changer for our AI stack. Being able to compare quality, cost, and speed across 200+ models in one place has completely changed how we evaluate LLMs for production."
"We were spending hours benchmarking models manually. Now we can test different LLMs for our specific use cases and actually see the cost impact before committing. Saved us thousands already."
"Finally, a way to answer 'which model should I use?' with actual data. The market moves so fast that having real-time comparisons on performance and pricing is invaluable for making smart choices."
Don't waste another hour researching
Get instant AI model recommendations tailored to your needs