ChatGPT vs Microsoft Copilot
Two of fourteen models named ChatGPT first on the direct prompt; one named Microsoft Copilot. ChatGPT was named by fourteen of the fourteen models and Microsoft Copilot by eleven and ChatGPT carries 47 labels and Microsoft Copilot 16, so the shares are not directly comparable.
Named in five categories this edition.
Named in five categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the Enterprise AI assistants page.
By framing
ChatGPTFirst choices, of fourteen modelsMicrosoft Copilot
Across every category in the October 2026 Edition, ChatGPT and Microsoft Copilot were named in the same answer thirty-six times, of the 199 answers naming ChatGPT and the 67 naming Microsoft Copilot. In those answers Microsoft Copilot took the first choice six times and ChatGPT ten.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | |||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | ||
| Perplexity Sonar | | | | |||
| Grok 4.1 Fast | | | | | ||
| Mistral Small | | | | |||
| DeepSeek V4 Flash | | | | |||
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | ||||
| MiniMax M2.5 | | | | | ||
| GPT-6 Luna | | | | | ||
| Muse Glimmer 30B | | |
ChatGPT Microsoft Copilot first choice named as an alternative argued againstblank: not namedEach cell is one answer, ChatGPT on the left and Microsoft Copilot on the right.The direct prompt
ChatGPT first, Microsoft Copilot an alternative
2 of 14 modelsMicrosoft Copilot was named in the answer but not as the choice, or not at all.Microsoft Copilot first, ChatGPT not the choice
1 of 14 modelsChatGPT was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
7 of 14 modelsThe answer made no first choice from these two in this category.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
ChatGPT47%#1 of 6Microsoft Copilot11%#3 of 6ChatGPT25%#1 of 7Microsoft Copilot6%#4 of 7ChatGPT22%#2 of 7Microsoft Copilot2%#– of 7What the models said about ChatGPT
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Multiple major companies have banned it after data leaks” MiniMax M2.5 · negative prompt · hard negative
“several major enterprise platforms—including ChatGPT Enterprise, Gemini Enterprise, and Salesforce Einstein—can be tricked into leaking data” Qwen 3.7 Flash · negative prompt · soft negative
“tools that look like consumer ChatGPT/Claude/Gemini-style accounts but are used in a company setting without enterprise controls” Perplexity Sonar · negative prompt · soft negative
“ChatGPT Enterprise - extends OpenAI's chatbot with higher-speed access, longer context windows, and enterprise controls like single sign-on (SSO) and admin consoles” Llama 4 Maverick · paraphrase prompt · first choice
“ChatGPT Business remains the most balanced option for customer support drafting, creative brainstorming, and general workflow acceleration.” Qwen 3.7 Flash · budget prompt · first choice
“My default recommendation for a mid-sized B2B company is ChatGPT Enterprise because it is the most versatile company-wide assistant” Perplexity Sonar · paraphrase prompt · first choice
What the models said about Microsoft Copilot
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Avoid Microsoft Copilot unless you're already heavily invested in Microsoft 365” Kimi K2 · budget prompt · hard negative
“If you're already in the Microsoft ecosystem and want the fastest rollout with minimal extra cost, Microsoft Copilot (Power Virtual Agents) is a solid default.” MiniMax M2.5 · paraphrase prompt · first choice
“If 90% of your company's work happens in Microsoft Teams and Outlook, Microsoft Copilot is the default choice.” Gemini 3.5 Flash · comparative prompt · first choice
“If general productivity, go Microsoft Copilot (versatile, high adoption).” Grok 4.1 Fast · direct prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.