LLMs & Assistants
ChatGPT vs Microsoft Copilot.
Both sit in LLMs & Assistants, scored on the same six pillars from the same published methodology. Here is where they actually differ.
The short answer
ChatGPT scores higher — 90.7 against 87.0, a margin of 3.7 points. That is the overall answer, not the whole one: the pillar breakdown below is where the decision usually actually gets made.
ChatGPT leads on momentum, capability and value for money; Microsoft Copilot leads on security & compliance.
OpenAI
90.7
Exceptional
The most widely adopted general-purpose AI assistant.
- From
- Free / $20 per month (Plus)
- Pricing
- Freemium
- Maturity
- Mature
- Founded
- 2022
Microsoft
87.0
Excellent
AI assistant woven through Windows, Microsoft 365 and Edge.
- From
- Free / $30 per user per month (M365)
- Pricing
- Freemium
- Maturity
- Mature
- Founded
- 2023
Pillar by pillar
The same six pillars and fixed weights used for every tool on the site. A lead of fewer than 5 points is not called for either side — these are evidence-backed judgements, not measurements. Read the methodology.
Capability
ChatGPT by 9
Value for Money
ChatGPT by 8
Security & Compliance
Microsoft Copilot by 10
Integrations & Ecosystem
Level
Maturity & Reliability
Level
Momentum
ChatGPT by 11
Which one, and when
Pick ChatGPT if
- →where the product will be in a year matters as much as today — it leads Momentum by 11 points.
- →the hardest end of the work is what you are buying for — it leads Capability by 9 points.
- →cost per unit of output is the binding constraint — it leads Value for Money by 8 points.
- →General knowledge work
- →Prototyping AI use cases
- →Teams standardizing on one assistant
The catch
- Data-training controls require explicit opt-out on consumer tiers
- Rate limits on frontier models even for paid tiers at peak times
Pick Microsoft Copilot if
- →compliance and data control decide it — it leads Security & Compliance by 10 points.
- →Microsoft 365 organizations
- →Enterprise rollouts needing compliance
- →Productivity in Office workflows
The catch
- Best value only inside the Microsoft ecosystem
- M365 Copilot seat cost adds up org-wide
What each is good at
ChatGPT
- ✓Broadest feature set of any assistant: browsing, code execution, vision, voice and image generation in one product
- ✓Massive ecosystem of custom GPTs and third-party integrations
- ✓Fast release cadence keeps it at or near the state of the art
Microsoft Copilot
- ✓Deep integration across the Microsoft stack
- ✓Enterprise security, compliance and admin controls
- ✓Grounded in your organization's documents and mail
Other comparisons in LLMs & Assistants
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