GitHub Copilot vs Glean: 2026 comparison
GitHub's AI pair-programmer — inline completions, chat, and the new Agent mode that ships PRs.
GitHub Copilot vs Glean — specs
| Spec | GitHub Copilot | Glean |
|---|---|---|
| Agent Rank | 78 / 100 (A) | 80 / 100 (A) |
| Autonomy | Semi-autonomous | Assistant |
| Pricing | Subscription · from $10 | Subscription · Free tier |
| Open source | No | No |
| Capabilities | Code, Tool use, Memory | RAG, Memory, Tool use |
| Integrations | 4 apps | 6 apps |
| Verified | Verified | Verified |
| Released | Feb 2025 | Feb 2025 |
Agent Rank breakdown
- Autonomy fit
- 8
- Capabilities
- 6
- Integrations
- 6
- Pricing value
- 8
- Polish & maturity
- 9
- 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
- +Biggest install base of any coding agent — every IDE, every language
- +Now ships an Agent mode that competes credibly with Cursor and Cline
- +IP indemnity tier is unique — meaningful for enterprise legal teams
- −Agent mode is newer than Cursor + Cline — fewer power-user features
- −Multi-file editing is more cautious than Cursor by default
- −GitHub-centric integrations — weaker outside the GitHub ecosystem
- +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
- +2,000 completions/mo
- +Chat with limits
- +GPT-5 mini
- +Unlimited completions
- +Agent mode
- +All models including Claude + GPT-5
- +Higher rate limits
- +Premium model quotas
- +Spark included
- +Admin controls
- +Audit logs
- +IP indemnity
- +Fine-tuned models
- +Knowledge-base integration
- +SSO
- +Unified search across 100+ apps
- +Work assistant + custom agents
- +SSO + enterprise data isolation
Which one should you pick?
Pick GitHub Copilot if you want the highest autonomy and the verification loop is in place.
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Frequently asked
Should I pick GitHub Copilot or Glean in 2026?+
Pick GitHub Copilot if you want the highest autonomy and the verification loop is in place. Pick Glean if cost is the main constraint. Most working teams running both can use GitHub Copilot for primary work and Glean for the workflows where its specific strengths matter.
What's the price difference between GitHub Copilot and Glean?+
GitHub Copilot starts at Subscription · from $10; 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 Copilot or Glean?+
GitHub Copilot is the more autonomous of the two (Semi-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.