ChatGPT vs Glean
Two of fourteen models named ChatGPT first on the direct prompt; one named Glean. ChatGPT was named by fourteen of the fourteen models and Glean by seven and ChatGPT carries 47 labels and Glean 16, so the shares are not directly comparable.
Named in five categories this edition.
Named in two 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 modelsGlean
Across every category in the October 2026 Edition, ChatGPT and Glean were named in the same answer thirty-three times, of the 199 answers naming ChatGPT and the 59 naming Glean. In those answers Glean took the first choice five times and ChatGPT eleven.
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 Glean first choice named as an alternative argued againstblank: not namedEach cell is one answer, ChatGPT on the left and Glean on the right.The direct prompt
ChatGPT first, Glean not the choice
2 of 14 modelsGlean was named in the answer but not as the choice, or not at all.Glean 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 6Glean0%#6 of 6What 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 Glean
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 over-investing in "enterprise-only" platforms like Glean or Moveworks” Kimi K2 · paraphrase prompt · soft negative
“Best Overall for Connected Knowledge & Search: Glean ... Glean is the gold standard.” Gemini 3.5 Flash · paraphrase prompt · first choice
“Glean: Best for Cross-Platform Knowledge & "Universal Search"” Gemini 3.5 Flash · direct prompt · first choice
“Top Recommendation: Glean” DeepSeek V4 Flash · paraphrase 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.