[ TENSAI // OVERVIEW ]

Your context.
Never lost.

Tensai bridges your context between Claude and ChatGPT. Switch tabs mid-session - the other AI picks up right where you left off.

[ METADATA // SPECS ]
PLATFORMS:CLAUDE ↔ CHATGPT
SYNC MODE:ALGORITHMIC COMPRESSION
SECURITY:LOCAL-FIRST (NO CLOUD)
VERSION:V1.0.0
2
AI platforms synced
0
Auto-submits
Local
Data storage
[ 01 // HOW IT WORKS ]
01

Connect once.

You already have Claude and ChatGPT open. Open the Tensai popup, select your Claude tab and your ChatGPT tab, and pair them. That's the entire setup - no accounts, no API keys, no configuration.

One active pair · No cloud · Works on existing tabs
02

Keep working.

Every completed exchange is captured and compressed locally in the background - goals, decisions, open questions, code, recent context. Nothing changes about how you use either AI. Tensai tracks the session silently while you stay focused.

Local compression · No API calls · Captures both directions
03

Switch. Continue.

The moment you land on the other tab, the draft box is already pre-filled with everything Tensai has been tracking - structured, compressed, and ready to send. You read it, edit if needed, and send it. Tensai never submits anything on your behalf.

Draft pre-filled · Never auto-submits · Review before sending
[ 02 // FEATURES ]
SYNC

Bidirectional context sync

You're mid-session on Claude and need ChatGPT's take - but switching means starting over. Tensai keeps both sides in sync, so every turn you make on one AI is ready to carry over to the other.

Tab pairing · Session storage · Zero latency
COMPRESSION

Smart conversation compression

Long sessions bury the decisions that matter. Tensai distills your conversation into what counts - goals, decisions, open questions, code - entirely inside your browser. No API calls, no cloud.

Fully local · Boundary-aware trimming · 2500-token cap
HANDOFF

Automatic context handoff

Switch to the other AI and your context is already there - pre-filled, ready to continue. When Claude hits its limit, Tensai detects it and fires the handoff automatically, before you even switch tabs.

Token tracking · DOM detection · Bidirectional injection
[ 03 // EXTENSION ]

Lives in your toolbar.
Works in the background.

Tensai
synced
Session: 28 turns active

Pairing
Paired
Claude
ChatGPT
ClaudeClaude · Ready
ChatGPTChatGPT · Ready

Changing the active pair keeps current memory unless you clear it during the switch.

28 turns · compressed · 2m ago
Compressed

Recent ContextView all →
CHATGPT2m ago

I agree. Plan B gives you the fastest path to feedback while keeping the scope...

YOU2m ago

What do you think?

CLAUDE5m ago

After reviewing the options, I think Plan B is the strongest choice because...


🗑Clear Session
Persistent Badge - injected into Claude's page
67%
Always visible while you chat - no popup needed.
Turns gold above 60%, vermillion above 85%.
Auto-handoff fires when Claude hits its limit.
[ 04 // FAQ ]

Questions,
answered.

Everything you need to know before installing. Nothing more.

Tensai captures your conversation on Claude or ChatGPT, compresses it locally, and fills the other AI's draft box with a structured briefing when you switch tabs. You review it and press Send - Tensai never submits anything on your behalf.

Most AI-heavy work doesn't stay in one model. Claude reasons better, ChatGPT iterates faster. You end up with both open, manually copying context between them. That loop is lossy. Tensai keeps that context moving automatically, structured and local, so the other AI picks up exactly where you left off.

Completely free, no account, no API key. You just need a logged-in Claude tab and a logged-in ChatGPT tab - compression runs locally inside the extension.

No. Everything stays in chrome.storage.session, inside your browser, and clears when Chrome closes. No servers, no analytics, no network requests with your data.

Never. Tensai only fills the draft box. It does not touch the Send button under any condition.

Yes, fully bidirectional. Tensai captures turns from whichever AI you're talking to and can inject context in either direction - Claude to ChatGPT, or ChatGPT to Claude.

Tensai detects the limit automatically and fires a one-time handoff into your paired ChatGPT tab - your objective, decisions, open questions, and code - before you even switch. A toast on Claude shows a Switch now action.

Google Chrome and Chromium-based browsers on Chrome 109 or later. Firefox and Safari are not supported in v1.0.

Free · Local Sync · No Account Needed

Stop losing context.
Start using Tensai.

One click to install. Works immediately on Claude and ChatGPT.
No config, no signup, no data leaving your browser.

No account required
Never auto-submits
Zero servers used