Endgame vs Siro
Which Sales AI tool is better in 2026?
Endgame
AI answer engine for enterprise sales teams
Siro
Gong for field sales — AI coaching for in-person reps
Side-by-side
Siro is the more established option (raised $75M), but Endgame is cheaper to start.
| Metric | Endgame | Siro |
|---|---|---|
| Taglinei | AI answer engine for enterprise sales teams | Gong for field sales — AI coaching for in-person reps |
| Foundedi | 2020 | 2020 |
| HQi | San Francisco, US | New York, US |
| Employeesi | 51-100 | 51-200🏆 |
| Neuron scorei | 78🏆 | 67 |
| Total fundingi | $47.5M | $75M🏆 |
| Latest roundi | Series B · Feb 2022 | Series B |
| Valuationi | —🏆 | — |
| Cheapest paid plani | Pricing not disclosed🏆 | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Endgame and Siro.
| Capability | Endgame | Siro |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 1 (rest) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Endgame
- Higher Neuron score (78 vs 67)
🔵 Strengths of Siro
- Has raised more capital ($75M vs $47.5M)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Endgame if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Sales tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Siro if you want the most established option — it has raised $75M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Endgame vs Siro — which is better?
It depends on your priority. Endgame is the leaner option; Siro has broader feature depth. See the side-by-side table above.
Is Endgame cheaper than Siro?
Yes — Endgame's cheapest paid plan is Enterprise · Contact sales, while Siro's is Free.
Do Endgame and Siro offer free plans?
Endgame: Paid only. Siro: Yes, has a free plan.
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