Cosine AI vs Sourcegraph
Which Agents AI tool is better in 2026?
Cosine AI
Hand off complex coding tasks without sacrificing maintainability or visibility.
Sourcegraph
AI-powered code intelligence platform
Side-by-side
Sourcegraph leads on both fronts — more capital raised ($223M) and a lower entry price than Cosine AI.
| Metric | Cosine AI | Sourcegraph |
|---|---|---|
| Taglinei | Hand off complex coding tasks without sacrificing maintainability or visibility. | AI-powered code intelligence platform |
| Foundedi | — | 2013🏆 |
| HQi | — | San Francisco, US |
| Employeesi | — | 200-500🏆 |
| Neuron scorei | 60🏆 | 45 |
| Total fundingi | Undisclosed | $223M🏆 |
| Latest roundi | — | Series D · Jul 2021 |
| Valuationi | — | $2.6B🏆 |
| Cheapest paid plani | — | —🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Public Cloud · Contact sales | Enterprise · Contact sales |
| Pricing summaryi | 3 published plans | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Cosine AI and Sourcegraph.
| Capability | Cosine AI | Sourcegraph |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Cosine AI
- Higher Neuron score (60 vs 45)
🔵 Strengths of Sourcegraph
- Has raised more capital ($223M vs Undisclosed)
- Lower starting price ($19/mo)
- Newer company (2013)
- Verified profile
Which should you choose?
Choose Sourcegraph if price matters most — it starts at Enterprise · From $19/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Sourcegraph if you want the most established option — it has raised $223M, 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
Cosine AI vs Sourcegraph — which is better?
It depends on your priority. Cosine AI is the leaner option; Sourcegraph is cheaper to start. See the side-by-side table above.
Is Cosine AI cheaper than Sourcegraph?
No — Sourcegraph's cheapest paid plan is Enterprise · From $19/mo, while Cosine AI's is Enterprise · Contact sales.
Do Cosine AI and Sourcegraph offer free plans?
Cosine AI: Paid only. Sourcegraph: Paid only.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.