Provider · OpenAI

GPT,
drafting beside you.

Paste an sk proj or sk key. Pick the 4.1 or 4o family. Rook Signal speaks the prompt shape OpenAI understands best.

Open a workspace
Add API keyOpenAI
OpenAI
GPT 4.1
sk-proj-████████ 2F7t

Encrypted at rest with AES 256 GCM. Never returned to the browser.

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Why OpenAI

Familiar. Fast. Everywhere.

Most teams already pay for OpenAI. Rook Signal makes those tokens earn their keep on LinkedIn.

Models

4.1 for depth. 4o for speed.

Rook Signal adapts the prompt shape to whichever OpenAI model you pick. No manual tuning. Change the model, your persona follows.

  • GPT 4.1
    Great writer voice. Slightly slower. Reliable drafts.
  • GPT 4o
    Fast replies with strong tone matching.
  • Compatible
    Any OpenAI compatible endpoint works, including self hosted.
Comment queue3 in queue
All (3)✦ Ready (2)Pending (0)Generating (1)
Naval Ravikant
Pre generated · 3 min ago
Ready
The real 10x engineer is the one who knows which problems to ignore.
This is the part most teams miss. Priority is not about working faster. It is about refusing the wrong work.
April Dunford
Pre generated · 11 min ago
Ready
Positioning is not a tagline. It is the reason your buyer says yes.
Agreed. The strongest positioning I have seen reads like a calm sentence. No jargon. Just a buyer reason.
Shaan Puri
Generating…
Writing
Best founders I know do one weird thing. They take the calls no one else will.
Rook Intelligence is still writing…
Operational

The workhorse setup.

OpenAI is the default choice for teams that want a known quantity. Rook Signal handles retries, rate limits, and prompt shape so you never notice the plumbing.

  • Retries baked in
    Rate limits handled automatically.
  • Clear errors
    When something breaks, the dashboard says why.
  • Swap freely
    Change model mid workspace. Your persona travels.
Add API keyOpenAI
OpenAI
GPT 4o
sk-proj-████████ uZ09

Encrypted at rest with AES 256 GCM. Never returned to the browser.

CancelSave key
What to expect

Dependable drafts, day after day.

OpenAI is predictable. Rook Signal makes predictable feel good.

Broad ecosystem

Fits the stack you already run.

Fast 4o

Drafts in under a second during tracking runs.

Any compatible endpoint

Point Rook Signal at a self hosted model with the same keying format.

Predictable cost

Token cost is predictable. Your billing stays in your OpenAI account.

Team friendly

Works with OpenAI individual, Team, or Enterprise billing.

Custom headers

Private clusters welcome. Pass your own base URL.

128K
Context in 4.1
sk proj
Prefix
∞
Compatible endpoints
0
Resale. You pay OpenAI direct.
OpenAI

GPT, wearing your voice.

Paste your key. Pick 4.1 or 4o. Your queue fills up this evening.

Open a workspace