LLMnesia vs AI Toolbox: AI Chat History Extension Comparison

AI Toolbox and LLMnesia both attack the same problem: useful answers buried in past AI sessions that native history makes hard to find. AI Toolbox (formerly ChatGPT Toolbox) is an organisation suite covering ChatGPT, Gemini, Claude and Grok, with folders, a prompt library, bulk tools and full-text search. Its free tier caps search at 5 results per query and 3 exports a day, and full access is sold per platform at $9.99 a month, or $199 for the all-platform bundle. LLMnesia is a free, local-first Chrome extension that indexes and searches the full text of your conversations across ChatGPT, Claude, Gemini and 10+ platforms, with direct jump-back to the original. The deciding question is whether you want a paid, folder-driven suite for four platforms, or a free, unmetered retrieval layer that covers more of them.

LLMnesia vs AI Toolbox at a glance

What AI Toolbox does

AI Toolbox (around 40,000 users, 4.6 stars from 555 ratings on the Chrome Web Store) grew out of ChatGPT Toolbox into a management suite spanning ChatGPT, Gemini, Claude and Grok. It is a mature, monetised product with a wide feature set:

• Folders and subfolders for filing conversations, plus smart tagging. The free tier allows 2 folders.
• Full-text search across indexed messages, with a search that can span all four platforms at once. The free tier returns at most 5 results per query.
• Prompt library with reusable templates, multi-step chaining and @@ context references. The free tier holds 2 prompts.
• Bookmarks, bulk delete and archive, and export, with export capped at 3 a day on the free tier.
• Platform extras such as a Claude artifacts vault, Gemini image watermark stripping, and ChatGPT audio downloads.
• Local conversation storage: its privacy policy says conversations are stored locally in your browser and never permanently stored on its servers; device sync, which is paid, covers organisational metadata like folders and tags and is encrypted at rest.
• Pricing: a free tier with the caps above, then $9.99 a month or $99 lifetime per platform, a $199 one-time All Access bundle for every platform including future ones, and a per-seat teams plan.

That breadth is what you would expect from a mature paid suite. The catch is that it is priced per platform, and its free tier keeps search results, exports and organisation on a short leash.

What LLMnesia does

• Thirteen platforms, one index: ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, DeepSeek, Grok, Mistral, Kimi, Qwen, Google AI Studio, Character.AI and Z.ai. It also indexes your local Claude Code sessions, which browser-based managers do not reach.
• Automatic indexing plus one-click backfill: sessions are indexed in the background as you work, with nothing to file, and on eight platforms (ChatGPT, Claude, Gemini, Perplexity, DeepSeek, Grok, Character.AI and Z.ai) you can import the history you had before installing in one go, including ChatGPT export files.
• Unmetered full-text search plus semantic search: both run entirely on your device, so you can search by exact keywords or by meaning, with no result caps or monthly limits.
• A search palette on a keyboard shortcut: query every platform at once without leaving the tab you are in.
• Jump-back to the exact message in the live original conversation, not a stored copy.
• Portable backup: export your whole index as JSONL at any time, and clear it whenever you want.
• Local-first and free: the index lives in your browser's storage. No account, no subscription, no per-platform pricing.

Where they differ most

Three differences matter more than the rest. First, cost and metering. AI Toolbox sells access per platform: $9.99 a month for one, $199 to unlock all four. Even before you pay, the free tier caps search at 5 results per query, exports at 3 a day, and organisation at 2 folders. LLMnesia is free, covers every supported platform at once, and does not meter search at all. Second, the organisation model. AI Toolbox is built around filing conversations into folders and then searching the index, which works well if you enjoy organising but is overhead if you just want the answer. LLMnesia indexes everything automatically in the background and links each result straight back to the live original, so there is nothing to file and nothing to maintain. Third, coverage. AI Toolbox spans four platforms; LLMnesia covers thirteen, from ChatGPT and Claude to Character.AI and Z.ai, plus your local Claude Code sessions, under one free install. And if you have years of history from before installing, LLMnesia can import it in one click on eight platforms; AI Toolbox indexes what you use going forward.

On conversation content, both keep the chats themselves local: AI Toolbox's privacy policy explicitly says conversations are never permanently stored on its servers. The privacy line to watch is the paid layer: device sync routes your folders, tags and other metadata through its servers (encrypted at rest), and its Chrome Web Store listing discloses that it collects personally identifiable and authentication information. LLMnesia has no account, no sync and nothing that leaves your machine.

A concrete example

Say you worked out a tricky data-cleaning approach in ChatGPT three weeks ago, then half-revisited it in Claude. With AI Toolbox's free tier, a search returns at most five hits per query, so if the conversation you need is not in that top handful you rephrase, dig through folders, or upgrade. With LLMnesia you search pandas dedupe approach, or describe it in your own words and let semantic search match it, get hits from both platforms, and jump straight back into the exact message in the original ChatGPT session to copy the code, no caps involved. Both recover the answer; one gates the depth of search behind per-platform pricing, the other is unmetered and lands you back in the source. This is the everyday retrieval covered in the best Chrome extensions to save and search AI conversations.

Can you use both together?

You can, but they overlap on search, so most people pick one. Choose AI Toolbox if you want folders, prompt chaining, bulk tools and platform extras across four platforms, and per-platform pricing fits how you work. Choose LLMnesia if you want a lean, free, search-first tool that indexes automatically across 10+ platforms, never meters search, and gets out of the way.

Choosing between them

AI Toolbox is a better fit if:

• You want a full organisation suite: folders, prompt library with chaining, tagging, bookmarks and bulk actions.
• You mostly live in ChatGPT, Gemini, Claude and Grok, and per-platform pricing is acceptable.
• You are happy filing conversations into folders as you go.

LLMnesia is a better fit if:

• You want unmetered full-text and semantic retrieval with no result caps or monthly limits, free.
• Automatic background indexing with nothing to organise matters to you, and you want to backfill your existing history in one click.
• You want jump-back to the exact message across 13 platforms, plus local Claude Code sessions, in one install.

Want lean, automatic, unmetered retrieval? Install LLMnesia free.