Token Forecaster
Forecast how long an LLM reply will run, before Enter
Token Forecaster launched on September 25, 2026 with 65 votes, #557 of 8,094 launches that month and more than 95% of that year's launches.
What it does
Token Forecaster puts a range on an LLM reply before you press Enter: the usual length, and a worst case that held for 90.6% of 4,146 unseen calls. While the reply streams, it shows whether it is running long. It only watches and never changes the request. Learns from your local history. Open source, MIT.
Forecasts how many output tokens a Claude reply or agent turn will use, and shows how it is tracking while it runs. Bundled Claude Code prior, local post-training, status line, VS Code extension, menu bar app. - Sumcap/token-forecaster
Does a similar job
all alternatives →- PTPredictive text using only 13kb of JavaScript. no LLM2024 · adamgrant.info · ▲207

ScrollDec 2025 · chromewebstore.google.com · ▲93I kept losing ideas in long chats, so I built a tiny Chrome extension to make navigating between turns/prompts way easier. Idk why this isn't a native feature on all LLMs. Anyway, free and open source on GitHub or the Chrome Store. Hope it's helpful! Chrome Store: https://chromewebstore.google.com/detail/scroll/mpcklmodkihb... GitHub: https://github.com/asker-kurtelli/scroll
Long context window for LLMs2024 · colab.research.google.com · ▲6- LTLLM Token Visualizer – How big is 128k token input2025 · v0-llm-token-visualizer.vercel.app · ▲6
Long term Memory and 50M token window for LLM14d ago · huggingface.co · ▲6Join the discussion on this paper page
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