GitHub Spark vs Glean: 2026 comparison
GitHub's natural-language micro-app builder — describe a personal app, get a deployed working version.
GitHub Spark vs Glean — specs
| Spec | GitHub Spark | Glean |
|---|---|---|
| Agent Rank | 67 / 100 (B) | 80 / 100 (A) |
| Autonomy | Autonomous | Assistant |
| Pricing | Subscription · from $21 | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Code, Tool use, Memory | RAG, Memory, Tool use |
| Integrations | 1 apps | 6 apps |
| Verified | Verified | Verified |
| Released | May 2025 | Feb 2025 |
Agent Rank breakdown
- Autonomy fit
- 9
- Capabilities
- 6
- Integrations
- 2
- Pricing value
- 8
- Polish & maturity
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 7
- Capabilities
- 6
- Integrations
- 10
- Pricing value
- 9
- Polish & maturity
- 6
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Native GitHub integration — apps deploy with one click
- +Bundled with Pro+ subscription — no separate billing relationship
- +Best for "personal apps" use case (Slack tools, side-project utilities)
- −Newer than Lovable/Bolt — fewer templates and patterns
- −Less flexible than dedicated builders for production apps
- −Limited to specific app shapes — not a general-purpose builder yet
- +Single best enterprise knowledge agent in 2026 — instant grounding in your company data
- +Custom Agents (Glean Agents) let teams build internal workflows without code
- +Strong permission-aware retrieval — agents see only what users are allowed to
- −Enterprise-only — typically $50K+ ACV minimum
- −Initial connector setup takes weeks for full coverage
- −Pricier than ChatGPT Enterprise on a per-seat basis
Pricing
- +Spark included with Pro+
- +Generate + deploy micro-apps
- +GitHub-native hosting
- +Org policies
- +Custom domains
- +SSO
- +Unified search across 100+ apps
- +Work assistant + custom agents
- +SSO + enterprise data isolation
Which one should you pick?
Pick GitHub Spark if you want the highest autonomy and the verification loop is in place.
Try GitHub Spark →Pick Glean if cost is the main constraint or if your stack spans many tools and integration depth is the constraint.
Try Glean →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick GitHub Spark or Glean in 2026?+
Pick GitHub Spark if you want the highest autonomy and the verification loop is in place. Pick Glean if cost is the main constraint or if your stack spans many tools and integration depth is the constraint. Most working teams running both can use GitHub Spark for primary work and Glean for the workflows where its specific strengths matter.
What's the price difference between GitHub Spark and Glean?+
GitHub Spark starts at Subscription · from $21; Glean starts at Subscription · Free tier. Glean is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, GitHub Spark or Glean?+
GitHub Spark is the more autonomous of the two (Autonomous vs Assistant). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.