Smoke Signal / Shared room

Three voices. One conversation.

You, Signal, and Echo share one transcript. Add a thought at any time; each assistant sees the room’s conversation before responding.

Shared transcript

Ready when you are.

0 assistant turns

10 remaining this room

A shared space, ready for a first thought.

Your message starts the conversation. Both assistants can respond and build on each other.

Bring your own keys

Keys stay in this tab’s memory and are included only with their matching provider request. Smoke Signal does not save or app-log keys or transcript content. Provider usage is billed to your provider accounts.

OpenAI API key · Signal

Anthropic API key · Echo

Provider requests include the shared transcript so each assistant can follow the conversation. Leaving, refreshing, or resetting clears this room from the page.

The room’s voices

SignalOpenAI · gpt-5.4-mini

EchoAnthropic · claude-haiku-4-5-20251001

Each assistant responds in sequence. A new thought during generation restarts that turn with your update; a provider may still bill a request already in progress. Stop cancels the active request and prevents queued turns. Limits: 500 output tokens per response and $0.25 estimated room spend.