Flagship
Model Compare
Compare two AI models side by side on your own question, using your own keys.
Send one question to two models you choose, with your own API keys, and see their answers, cost, and speed side by side. About a minute, free, no signup. Your keys stay on your machine. It works with any model your key can reach, so it never goes out of date.
Head-to-head comparisons
We built ready-to-run comparisons for the head-to-heads people ask about most. Pick a matchup to see a real side-by-side, then run it yourself on your own data.
Is Claude Better Than ChatGPT? Claude vs ChatGPT Compared
Claude vs ChatGPT: in our run Claude stayed tight and fast while ChatGPT went deeper and longer. See the trade-off on your own data. Free, no signup.
Compare ->ChatGPT vs Gemini: Which Is Better? Side by Side
ChatGPT vs Gemini: Gemini came back leaner and cheaper in our run, ChatGPT gave more detail. See which fits your task on your own data. Free, no signup.
Compare ->Is Grok Better Than ChatGPT? Grok vs ChatGPT Compared
Grok vs ChatGPT: Grok answered in a fraction of the tokens, ChatGPT was more thorough. See the gap on your own prompt. Free, no signup.
Compare ->Claude vs Gemini: Which Is Better? Side by Side
Claude vs Gemini: Claude was fastest and Gemini cheapest in our run. See which balance wins on your own task. Free, no signup.
Compare ->Grok vs Claude: Which Is Better? Side by Side
Grok vs Claude: Grok was cheapest, Claude fastest in our run, and the gap shifts by task. Test it on your own data. Free, no signup.
Compare ->Grok vs Gemini: Which Is Better? Side by Side
Grok vs Gemini: two lean, low-cost models running neck and neck on price and speed. See the difference on your own data. Free, no signup.
Compare ->Claude vs ChatGPT vs Gemini: Compared Side by Side
Claude vs ChatGPT vs Gemini: three top models on one prompt. See two real head-to-heads, then run all three yourself. Free to start, no signup.
Compare ->Claude vs Gemini for Coding: Compared Side by Side
Claude vs Gemini for coding: both wrote correct code in our run, Gemini leaner and cheaper, Claude more thorough. Try it on your own task. Free, no signup.
Compare ->ChatGPT vs Claude for Coding: Compared Side by Side
ChatGPT vs Claude for coding: both solved it in our run, ChatGPT lean, Claude with more scaffolding. Compare on your own code. Free, no signup.
Compare ->Grok vs Claude for Coding: Compared Side by Side
Grok vs Claude for coding: nearly identical code in our run, Grok far cheaper, Claude more documented. Run your own prompt. Free, no signup.
Compare ->ChatGPT Alternatives: Compare the Top Options Side by Side
ChatGPT alternatives compared: run ChatGPT head-to-head with Claude, Gemini, or Grok on your own prompt and keys. See the answers, cost, and speed. Free, no signup.
Compare ->Grok Alternatives: Compare the Top Options Side by Side
Grok alternatives compared: run Grok head-to-head with ChatGPT, Claude, or Gemini on your own prompt and keys. See the answers, cost, and speed. Free, no signup.
Compare ->This free tool is a slice of the full product. With a paid plan you also get:
- compare up to 20 models at once
- score which answer is best
- see which part of your setup caused a weak answer
- save benchmarks and track changes over time
- let your AI agent run it for you
Free tool, provided as-is, no warranty. Uses your own API key. You are responsible for your usage and costs. Keys never leave your machine and are never sent to pysolvr. Outputs are informational, not advice. pysolvr is not liable for decisions made from these results.