LLM TimeMachine
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Track, compare, and archive the historical progression of AI models.
- Immutable capsules — prompts frozen forever, results comparable across years
- Run the same prompt on hundreds of models; benchmark cost, speed and tokens
- BYOK — your own OpenRouter key, encrypted and never inspected
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Bring Your Own Key — prompts run from your browser, never through our servers. Source on GitHub
or
Explore the community archive — no account needed.
TimeMachine © 2026 · Immutability Archive
Live Archiving Platform
"Because the history of AI deserves to be archived."
Record every variation, benchmark latency and token distribution, and build a reproducible chronicle of LLM performance.
Frozen promptsHundreds of models via OpenRouterCost · latency · token analytics