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Tools

Free LLM tools

Every tool runs in your browser on the same public data as the leaderboard. Nothing you type is sent to a model or stored.

LLM selectorDescribe the job, budget and constraints; get a shortlist with the reasons behind it.Alternative finderFind cheaper or open-weight models that score about as well as the one you use now.Claim checkerCheck claims like "X is the best model for coding" against public results.API cost calculatorEstimate monthly API spend for any workload across every priced model.Token counterEstimate how many tokens a text uses and what it costs to process.Context window comparisonSee how much text fits in each model’s context window.VRAM calculatorEstimate the GPU memory needed to run an open-weight model locally.Prompt generatorTurn a task into a structured prompt you can test.Prompt optimizerCheck a prompt for the gaps that cause weak answers, with fixes.