Intercom Fin vs Sierra
as AI assistants see them, week of 2026-09-21
Intercom Fin currently outpaces Sierra by a wide margin. Fin lands an overall score of 74 versus Sierra's 25, and shows up in 51 of 60 answers compared to Sierra's 25 of 60. Fin was named in every answer for questions like drafting agent replies, WhatsApp support, email tickets, per-resolution pricing, and easiest setup, while Sierra was never named for that draft-replies question or the easiest-setup one. Head-to-head, Fin was named more often than Sierra in 16 of 20 shared questions, with 4 ties and zero wins for Sierra. Sierra's strongest showing was being named in all 3 answers for "best AI customer support agents."
Head to head
| metric | Intercom Fin | Sierra |
|---|---|---|
| score | 74 | 25 |
| questions won | 19 | 16 |
By assistant
Intercom Fin
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 79 | 85% of answers | #1.5 |
| Claude | 81 | 95% of answers | #2.2 |
| Gemini | not sampled this week | ||
| Perplexity | 62 | 75% of answers | #2.4 |
Sierra
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 26 | 40% of answers | #4.8 |
| Claude | 48 | 80% of answers | #5.5 |
| Gemini | not sampled this week | ||
| Perplexity | 3 | 5% of answers | #6.0 |
Where they differ
Only Intercom Fin gets named for
- Which AI support tool is easiest to set up?
- What's the best AI tool to draft replies for support agents rather than replace them?
- What's the best AI support agent for an ecommerce store?
Only Sierra gets named for
nothing exclusive
More comparisons
- Intercom Fin vs Zendesk AI
- Gorgias vs Intercom Fin
- Decagon vs Intercom Fin
- Ada vs Intercom Fin
- Ada vs Sierra
- Decagon vs Sierra
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full AI customer support agents leaderboard