Multi-agent orchestration platform from Japan — TRINITY model + finance underwriting agents.
Tool UseMemoryRAGMulti-agent
Legora vs OpenAI Deep Researchwhich AI research agent should you pick in 2026?
Collaborative legal AI agents for due diligence, contract review, and drafting.
Tool useMemoryRAGMulti-agent
Multi-step research agent inside ChatGPT — autonomous browsing produces 5-30min citation-heavy reports.
BrowserRAGMemory
Legora vs OpenAI Deep Research — specs
| Spec | Legora | OpenAI Deep Research |
|---|---|---|
| Agent Rank | 58 / 100 (B) | 68 / 100 (B) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Subscription | Subscription · from $20 |
| Open source | No | No |
| Capabilities | Tool use, Memory, RAG, Multi-agent | Browser, RAG, Memory |
| Integrations | 4 apps | 3 apps |
| Verified | — | Verified |
| Released | Aug 2025 | Feb 2025 |
Categories: Legora → Research · OpenAI Deep Research → Research
Agent Rank breakdown
Legora
Agent Rank
58/ 100
- Autonomie
- 8
- Capacités
- 8
- Intégrations
- 2
- Tarification
- 4
- Maturité
- 7
- Vérifiabilité
- 6
Calculé automatiquement à partir de l'autonomie, des capacités, des intégrations, de la tarification, de la maturité et de la vérification éditoriale. Mis à jour à chaque déploiement. Comment est-ce calculé ?
OpenAI Deep Research
Agent Rank
68/ 100
- Autonomie
- 9
- Capacités
- 6
- Intégrations
- 2
- Tarification
- 8
- Maturité
- 9
- Vérifiabilité
- 7
Calculé automatiquement à partir de l'autonomie, des capacités, des intégrations, de la tarification, de la maturité et de la vérification éditoriale. Mis à jour à chaque déploiement. Comment est-ce calculé ?
Pros & cons
Legora
Pour
- +$5.55B valuation Series D Apr 2026 — largest legal-AI Series D in history
- +Multi-agent collaboration (different agents for different transaction types)
- +Strong UK/EU foothold with Magic Circle firm adoption
Contre
- −Newer than Harvey in US market — fewer NYC AmLaw 100 case studies
- −Enterprise pricing only — no associate-level self-serve
- −Best suited for transactional law (M&A, finance) — less for litigation
OpenAI Deep Research
Pricing
Legora
Standard
Sur mesure
Boutique firms
- +Contract review agent
- +Due diligence
- +Word + SharePoint
Recommandé
Enterprise
Sur mesure
Mid + large firms
- +Multi-agent workflows
- +iManage/NetDocs sync
- +Advanced security
Sovereign
Sur mesure
Magic Circle
- +EU/US/UK data residency
- +BYO LLM option
- +Dedicated tenants
OpenAI Deep Research
Which one should you pick?
OpenAI Deep Research
Pick OpenAI Deep Research if cost is the main constraint or if you want the highest autonomy and the verification loop is in place.
Try OpenAI Deep Research →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Legora or OpenAI Deep Research in 2026?+
Pick Legora if its specific capabilities (Tool use, Memory) match what you need. Pick OpenAI Deep Research if cost is the main constraint or if you want the highest autonomy and the verification loop is in place. Most working teams running both can use Legora for primary work and OpenAI Deep Research for the workflows where its specific strengths matter.
What's the price difference between Legora and OpenAI Deep Research?+
Legora starts at Subscription; OpenAI Deep Research starts at Subscription · from $20. OpenAI Deep Research 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, Legora or OpenAI Deep Research?+
OpenAI Deep Research is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.
Readers comparing Legora and OpenAI Deep Research also picked
Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
Multi-agent super-agent with built-in AI phone module — research, slides, sheets, real-world calls.
Browser UseTool UseVoixMemory
Agent de recherche longue durée au sein de Gemini qui planifie, navigue et rédige des notes de synthèse.
Browser UseRAGMemoryVision
See more alternatives: alternatives to Legora · alternatives to OpenAI Deep Research
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