AI FAQ
Common questions about AI features in Missive.
General
Which AI provider should I choose?
All three providers work well with Missive. Choose based on your preferences:
OpenAI. Widely used, broad model selection, good all-around performance.
Anthropic Claude. Strong at nuanced writing and careful reasoning.
Google Gemini. Competitive pricing, large context windows, free tier available.
You can connect multiple providers and switch between them at any time.
Can I use multiple providers at the same time?
Yes. Connect as many providers as you want. The assistant lets you pick which model to use per conversation, and you can configure each prompt and AI rule to use a specific provider.
Will AI providers use my data to train models?
No. All three providers state that data submitted through their APIs is not used to train models:
Missive sends content to your provider only during active AI processing. No data is stored beyond the immediate request.
How do I monitor AI costs?
Each provider has its own usage dashboard:
OpenAI: platform.openai.com/usage
Anthropic: console.anthropic.com/settings/usage
Google AI: aistudio.google.com (usage section)
Set budget limits in your provider's account to prevent unexpected charges.
Using AI
How does replying using canned responses work?
When you reference canned responses in a prompt (using @Responses or @All responses), Missive identifies the most relevant canned responses that match the email content. These matches are sent to your AI provider as context, and the AI drafts a reply based on both the email and your documentation.
How do I make the AI respond in another language?
Create a custom prompt and save it for reuse. For example:
Or for replies:
You can also use the built-in Translate prompt from the draft toolbar, which supports multiple languages.
How do I monitor cost usage per user?
Add one integration per user, each with their own API key. Each user's usage bills to their own provider account.
In Missive, go to Settings > Integrations > Add Integration, choose your provider, and add each key separately.
OpenAI
Why does the OpenAI integration show a billing setup error?
You need OpenAI API access, not ChatGPT Plus ($20/month). These are different products.
Add billing at platform.openai.com/account/billing/overview
Create an API key at platform.openai.com/account/api-keys
Use that API key when adding the OpenAI integration in Missive
Anthropic Claude
Why does my Anthropic API key not work?
The most common cause: your Anthropic account doesn't have billing set up. API access requires prepaid credits or an active billing plan.
A Claude Pro subscription ($20/month) is not the same as API access. You need to add credits separately in the Anthropic Console.
How do I set up Anthropic billing?
Go to console.anthropic.com/settings/billing and add a payment method or purchase prepaid credits.
Google Gemini
Which Google API key do I need?
You need a Google AI Studio API key from aistudio.google.com. This is different from a Google Cloud Vertex AI key.
Google AI Studio is the developer API for Gemini models. You don't need a Google Cloud Platform account or project.
Is there a free tier for Gemini?
Google AI Studio offers a free tier with rate limits. Check Google AI pricing for current limits and paid tier rates.
The free tier may be sufficient for small teams with light usage. For heavier usage or production workloads, you'll need a paid plan.
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