If Zed's AI assistant will not respond, the cause is usually provider, API key, or network configuration. Here is a focused fix guide for iOS developers.
You open Zed's AI assistant to help with Swift and it does not respond. You may see an error, a blank reply, or an endless spinner.
Because the assistant depends on a model provider, most failures trace back to configuration, credentials, or network.
The editor itself is likely fine. It is the connection to the AI backend that has broken.
Work through the common causes in order and you will usually restore the assistant without much fuss.
Zed lets you configure model providers for its AI features. If no provider or model is selected, the assistant has nothing to call.
Open the assistant settings and confirm a provider and model are selected.
Provider options and setup steps evolve, so check Zed's official documentation for the current, correct configuration.
Once a valid model is selected, send a simple test prompt to confirm the assistant responds.
If your setup uses your own provider key, an absent or wrong key will block all responses.
Re-enter the API key exactly, watching for stray spaces or truncated characters.
Confirm the key is active and has available quota with your provider. Expired or exhausted keys fail silently or with errors.
After updating the key, restart the assistant and test again. A fresh, valid key resolves many no-response problems.
The assistant needs outbound network access to reach the model provider. Firewalls, VPNs, or corporate proxies can block it.
Test your general connectivity, then confirm the provider's endpoints are reachable from your machine.
If you are behind a proxy, make sure it allows the assistant's traffic.
Corporate networks are a frequent culprit. Switching networks briefly can confirm whether a proxy or firewall is the cause.
Providers enforce rate limits and usage quotas. If you hit them, requests fail or slow to a crawl.
Check your provider dashboard for quota usage and any rate-limit notices.
Wait for the limit window to reset, or adjust your plan if you consistently exceed it.
Because AI usage can carry its own costs, review Zed's official site and your provider's pricing so limits do not surprise you.
AI features change quickly. An outdated Zed build may not work well with current provider settings.
Update Zed to the latest version so its AI integration matches current expectations.
Restart the editor to clear any stale assistant session state.
After updating and restarting, reconfigure the provider if needed and run a fresh test prompt.
Send a short, clear prompt such as asking the assistant to explain a small Swift function.
A prompt, correct response confirms the provider, key, and network are all working.
Then try a context-aware request on an open Swift file to confirm it can see your code.
If both succeed, the assistant is healthy again and ready to speed up your authoring.
If your configuration points the assistant at a custom endpoint, a small mistake in that address will block every request.
Double-check the base URL against your provider's documentation, watching for typos, missing paths, or an http versus https mismatch.
A custom or self-hosted endpoint must be reachable from your machine, so confirm it responds before blaming the editor.
Correct the address, save the configuration, and send a fresh test prompt to confirm the assistant can reach the model again.
If you configured a local model instead of a hosted provider, the assistant depends on that local runtime being up.
Confirm the local server or runtime process is actually running and listening on the port your configuration expects.
Restart the local runtime if it has stopped, then verify the model you selected is loaded and available.
Local setups fail differently from hosted ones, so when a hosted provider is not involved, always check the runtime first.
When the assistant goes quiet, a fixed order of checks saves time. Start with configuration: is a provider and model actually selected?
Next, credentials: is the API key present, correct, and within quota, or is the local runtime running?
Then network: can your machine reach the endpoint, or is a firewall, VPN, or proxy in the way?
Finally, freshness: update Zed and restart it to clear stale session state. Walking this order top to bottom resolves the large majority of cases.
When the assistant fails, the exact wording of any error is your best clue. A message about authentication points to the key; a message about the network points to connectivity.
Note whether the failure is immediate or happens after a delay. Instant failures usually mean configuration, while timeouts usually mean network or an unresponsive endpoint.
If Zed surfaces a log or status detail, read it before changing anything, so your fix targets the real cause.
Guessing wastes time. The message, even a terse one, almost always narrows the search.
To confirm a fix, strip the situation down. Send the shortest possible prompt, such as asking the assistant to say hello or explain one line of Swift.
A minimal prompt removes context size and complexity as variables, so a success clearly means the connection itself works.
Once the minimal prompt responds, build back up to real, context-aware requests on your Swift files.
This staged approach tells you exactly where things break if they still do, instead of leaving you guessing.
If the assistant stays down and you have a deadline, do not let it block you. Zed remains a fast Swift editor without any AI.
Fall back to SourceKit-LSP completions, documentation, and your own knowledge to keep moving.
Revisit the assistant configuration later, when you are not under pressure, using the triage order above.
The AI is an accelerator, not a dependency. Your ability to write and ship Swift never actually relies on it.
Even fully working, the AI assistant writes and explains code; it does not build or run your iOS app.
Always compile AI-generated Swift in Xcode. Plausible-looking code can reference APIs incorrectly, and only the compiler confirms it builds.
Keep secrets and sensitive code in mind. Understand what your configured provider does with the code you send, and follow your team's policy.
And as always, native builds, the Simulator, signing, and App Store submission require Xcode and the Apple Developer Program, no matter how capable the assistant is.
Most often a provider is not configured, the API key is missing or invalid, or the network is blocking outbound requests. Check each in order.
Re-enter the key carefully, confirm it is active with quota at your provider, then restart the assistant and test with a simple prompt.
Yes. Firewalls, VPNs, and proxies can block the provider endpoints. Test on another network to confirm, then allow the traffic.
You may have hit a rate limit or quota, or the session went stale. Check your provider dashboard and restart Zed after updating it.
No. It only writes and explains code. Building, running, signing, and App Store submission still require Xcode and the Apple Developer Program.