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Enterprise browsers · November 2026 Edition
Island Enterprise Browser vs Firefox for Enterprise
Three of fourteen models named Island Enterprise Browser first on the direct prompt; zero named Firefox for Enterprise. Island Enterprise Browser was named by thirteen of the fourteen models and Firefox for Enterprise by nine and Island Enterprise Browser carries 50 labels and Firefox for Enterprise 19, so the shares are not directly comparable.
Named in one category this edition.
Firefox for Enterprise
accepted challengerNamed in one category this edition.
First-choice share11%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate24%21%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#5A position in a field of 11; printed, not drawn.
Labels5019A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Island Enterprise Browser reading right to left. Rank and label count are printed, not drawn.Chrome Enterprise was named alongside these two in eleven of the fourteen direct answers. Microsoft Edge for Business vs Island Enterprise Browser · Microsoft Edge for Business vs Firefox for Enterprise · Chrome Enterprise vs Island Enterprise Browser
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 browsers page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Island Enterprise BrowserFirst choices, of fourteen modelsFirefox for EnterpriseDirect301 against Island Enterprise Browser
Paraphrase201 against Island Enterprise Browser · 1 against Firefox for Enterprise
Comparative50
Budget-constrained014 against Island Enterprise Browser · 1 against Firefox for Enterprise
Scale-constrained20
Negative016 against Island Enterprise Browser · 2 against Firefox for Enterprise
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Island Enterprise Browser and Firefox for Enterprise were named in the same answer thirty times, of the 164 answers naming Island Enterprise Browser and the 52 naming Firefox for Enterprise. In those answers Firefox for Enterprise took the first choice one time and Island Enterprise Browser three.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Island Enterprise Browser and Firefox for Enterprise stood in it.
| Model | DirectFF | ParaphraseFF | ComparativeFF | Budget-constrainedFF | Scale-constrainedFF | NegativeFF |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | FF | FF | ||||
| GPT-5.4 mini | | | ||||
| Gemini 3.5 Flash | | | | FF | | |
| Perplexity Sonar | | | | FF | FF | |
| Grok 4.20 | | | | | | |
| Mistral Small | | | | FF | FF | |
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | ||||||
| Kimi K2 | | | | | FF | |
| GLM 4.7 FlashX | FF | FF | FF | FF | ||
| MiniMax M2.5 | ||||||
| GPT-6 Luna | | | | | FF | |
| Muse Glimmer 30B | | | FF | FF |
Island Enterprise BrowserFF Firefox for Enterprise first choice named as an alternative argued againstblank: not namedEach cell is one answer, Island Enterprise Browser on the left and Firefox for Enterprise on the right.The direct prompt
The plain question, one answer per model, grouped by where Island Enterprise Browser and Firefox for Enterprise stood in it.
Island Enterprise Browser first, Firefox for Enterprise not the choice
3 of 14 modelsFirefox for Enterprise was named in the answer but not as the choice, or not at all.Grok 4.20Island Enterprise Browser alternatives: NordLayer Browser
DeepSeek V4 FlashIsland Enterprise Browser, Surf Security alternatives: Chrome Enterprise, Microsoft Edge for Business
GPT-6 LunaIsland Enterprise Browser, Microsoft Edge for Business alternatives: Chrome Enterprise, Prisma Access Browser
Neither was the first choice, one was named
6 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniGoogle Chrome Enterprise with Chrome Enterprise Premium alternatives: Island Enterprise Browser, Prisma Access Browser
Gemini 3.5 FlashMicrosoft Edge for Business alternatives: Chrome Enterprise, Island Enterprise Browser, LayerX, Prisma Access Browser, Push Security
Perplexity SonarChrome Enterprise alternatives: Island Enterprise Browser, Menlo Security, Microsoft Edge for Business, Push Security
Mistral SmallChrome Enterprise alternatives: Island Enterprise Browser, NordLayer Browser, Push Security
GLM 4.7 FlashXChrome Enterprise, Microsoft Edge for Business alternatives: Firefox for Enterprise, Island Enterprise Browser, Silo
Muse Glimmer 30BMicrosoft Edge for Business alternatives: Chrome Enterprise, Island Enterprise Browser, NordLayer Browser, Surf Security
Neither was named
5 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Chrome Enterprise, Microsoft Edge for Business
Llama 4 Maverickno first choice
Qwen 3.7 FlashChrome Enterprise, NordLayer Browser alternatives: Authentic8, Menlo Security
Kimi K2Chrome Enterprise Core alternatives: Chrome Enterprise, Edge for Business, Surf Security
MiniMax M2.5Chrome Enterprise, NordLayer Browser
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
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Island Enterprise Browser5%#6 of 12Firefox for Enterprise5%#5 of 12
The full small business standing →Mid-marketThe figures above
Island Enterprise Browser leads by ten points.
Island Enterprise Browser11%#3 of 11Firefox for Enterprise2%#5 of 11
The full mid-market standing →Enterprise
Island Enterprise Browser leads by twenty-one points.
Island Enterprise Browser22%#3 of 11Firefox for Enterprise2%#8 of 11
The full enterprise standing →What the models said about Island Enterprise Browser
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid for Now: Dedicated secure browsers like Brave ... or paid ones (e.g., from the comparisons: Island, Silo, Perimeter 81)” Grok 4.20 · budget prompt · hard negative
“Proprietary "secure enterprise browsers" (Island, Talon-style) | Vendor lock-in, limited scope, high friction” Kimi K2 · negative prompt · hard negative
“Proprietary standalone browsers like Island or Talon (Palo Alto Networks) vs. Microsoft Edge for Business or Chrome Enterprise Premium... introduces several headaches” Gemini 3.5 Flash · negative prompt · soft negative
“Strong for granular SaaS controls, DLP, user activity monitoring, and low-friction deployment. Good for mid-large orgs... Often praised for balancing security and usability.” Grok 4.20 · scale prompt · first choice
“The category creator - defined the enterprise browser market ... Choose Island if you want the most comprehensive dedicated enterprise browser with maximum control” Kimi K2 · comparative prompt · first choice
“A full, dedicated Chromium-based enterprise browser designed for corporate environments... best for organizations wanting a complete replacement for standard browsers” Mistral Small · comparative prompt · first choice
What the models said about Firefox for Enterprise
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid or be cautious with Brave and Firefox ESR for enterprise use.” Mistral Small · negative prompt · hard negative
“Brave, Tor, and standard Firefox can improve privacy, but privacy features do not substitute for corporate DLP, identity controls, auditing, or session-level policy enforcement.” Perplexity Sonar · negative prompt · soft negative
“smaller ecosystem and fewer pre-built integrations than Chrome or Edge” GLM 4.7 FlashX · paraphrase prompt · soft negative
“Mozilla is positioning this as a sovereignty-focused alternative—deployable on-premises, with customer-controlled data and policies” Kimi K2 · negative prompt · first choice
“Firefox for Enterprise (free) provide solid security without additional cost” Claude Haiku 4.5 · budget prompt · first choice
“For absolute zero spend and privacy focus, Firefox for Enterprise can be managed centrally for free, though you will need third-party add-ons” Muse Glimmer 30B · budget prompt · alternative
Also compared
Microsoft Edge for Business vs Island Enterprise BrowserMicrosoft Edge for Business vs Firefox for EnterpriseChrome Enterprise vs Island Enterprise BrowserChrome Enterprise vs Firefox for EnterpriseIsland Enterprise Browser vs Chrome Enterprise CoreIsland Enterprise Browser vs LayerXIsland Enterprise Browser vs Prisma Access BrowserChrome Enterprise Core vs Firefox for EnterpriseFirefox for Enterprise vs LayerXFirefox for Enterprise vs Prisma Access BrowserAll twenty-one head-to-head pages and the full enterprise browsers standing
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.