Software · head to head
Anthropic API vs Assistant.to
The short version
- Only Assistant.to has a free tier, so it costs nothing to try first.
- Each has a real cost: Anthropic API aWS Marketplace lists Claude Opus 4.8 (Amazon Bedrock Edition), published by seller Anthropic, at $5.00 per million input tokens and $25.00 per million output tokens for standard usage, or $2.50 and $12.50 per million tokens respectively for batch processing; Assistant.to no longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it
- They diverge on capability: Anthropic API covers Multiple models, Assistant.to covers In-email scheduling.
Where they differ
Only the attributes on which Anthropic API and Assistant.to actually diverge.
| Attribute | Anthropic API | Assistant.to |
|---|---|---|
| Starting price | $3/per-million-tokens | Free |
| Pricing model | usage-based | freemium |
| Free tier | No | Yes |
| Platforms | Api | Chrome-extension |
| Founded | 2021 | 2014 |
Identical on both: user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Anthropic API
- Multiple models
- 200K context
- Vision capabilities
- Function calling
- REST API
- SDKs
- Amazon Bedrock
- Google Vertex
Only in Assistant.to
- In-email scheduling
- One-click booking
- Google Calendar sync
- Time zone handling
- Simple interface
- Gmail
- Google Calendar
- Chrome-extension support
What people use each for
The jobs each tool is most often brought in to do.
Anthropic API
- ai tools managementnot Assistant.to
- Workflow automationnot Assistant.to
- Reportingnot Assistant.to
Assistant.to
- Schedulingnot Anthropic API
- Appointment bookingnot Anthropic API
- Time trackingnot Anthropic API
- Resource managementnot Anthropic API
- Team coordinationnot Anthropic API
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Anthropic API
- AWS Marketplace lists Claude Opus 4.8 (Amazon Bedrock Edition), published by seller Anthropic, at $5.00 per million input tokens and $25.00 per million output tokens for standard usage, or $2.50 and $12.50 per million tokens respectively for batch processing
- AWS Marketplace's Anthropic listing shows cache write tokens billed separately at $6.25 per million tokens for the standard 5-minute cache, rising to $10.00 per million tokens for a 1-hour cache TTL
Assistant.to
- No longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it
- Its scheduling now sits inside a wider Salesforce-focused sales tool rather than being a standalone add-in
Pricing, plan by plan
Anthropic API
$3/per-million-tokens- Claude 3.5 Sonnet$3/per-million-input-tokens
- Fast responses
- 200K context
- Claude 3 Opus$15/per-million-input-tokens
- Most capable
- Complex tasks
Assistant.to
Free- FreeFree
- In-email scheduling
- Basic features
- Pro$5/month
- Team features
- Custom branding
- Priority support
Which should you pick?
Choose Anthropic API if
- You need multiple models.
- You work on Api.
- You also want 200k context.
Choose Assistant.to if
- You need in-email scheduling.
- You want to start without paying.
- You work on Chrome-extension.
- You also want one-click booking.
Questions people ask
- Is Anthropic API or Assistant.to better?
- Neither clearly leads. Anthropic API starts at $3/per-million-tokens and Assistant.to at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Anthropic API or Assistant.to?
- Assistant.to has a free tier; the other does not. Paid plans start at $3/per-million-tokens for Anthropic API and Free for Assistant.to.
- Does Anthropic API or Assistant.to run on more platforms?
- Anthropic API runs on Api. Assistant.to runs on Chrome-extension.
- Can I use Assistant.to for free?
- Yes. Assistant.to has a free tier, so you can try it without paying. Anthropic API starts at $3/per-million-tokens.
- What is Anthropic API best used for?
- Anthropic API is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Assistant.to is typically brought in for.
- What can Anthropic API do that Assistant.to cannot?
- Anthropic API covers Multiple models, 200K context, Vision capabilities, Function calling. Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling.
Related pages
More on Anthropic API
More on Assistant.to
Keep looking
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- Assistant.to vs Float
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- Assistant.to vs YouCanBook.me
- Assistant.to vs Cron Calendar
- Assistant.to vs Harvest Forecast
- Assistant.to vs Resource Guru
- Assistant.to vs SavvyCal
- Assistant.to vs Skedda
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