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Index › Spend and procurement › Telecom expense mgmt › Calero vs Brightfin
Telecom expense management · October 2026 Edition

Calero vs Brightfin

Two of fourteen models named Calero first on the direct prompt; two named Brightfin. Calero was named by fourteen of the fourteen models and Brightfin by eleven and Calero carries 46 labels and Brightfin 25, so the shares are not directly comparable.

Calero

criticized challenger

Named in one category this edition.

Brightfin

accepted challenger

Named in one category this edition.

First-choice share6%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate39%16%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#6A position in a field of 8; printed, not drawn.
Labels4625A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Calero reading right to left. Rank and label count are printed, not drawn.vCom Solutions was named alongside these two in eight of the fourteen direct answers. Genuity vs Calero · Genuity vs Brightfin · Lightyear vs Calero

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 telecom expense management page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
CaleroFirst choices, of fourteen modelsBrightfin
Direct225 against Calero
Paraphrase003 against Calero
Comparative20
Budget-constrained003 against Calero
Scale-constrained10
Negative007 against Calero · 4 against Brightfin
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 October 2026 Edition, Calero and Brightfin were named in the same answer forty-nine times, of the 132 answers naming Calero and the 72 naming Brightfin. In those answers Brightfin took the first choice five times and Calero four.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Calero and Brightfin stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Calero Brightfin first choice named as an alternative argued againstblank: not namedEach cell is one answer, Calero on the left and Brightfin on the right.

The direct prompt

The plain question, one answer per model, grouped by where Calero and Brightfin stood in it.

Calero first, Brightfin not the choice

2 of 14 modelsBrightfin was named in the answer but not as the choice, or not at all.
GPT-5.4 miniCalero alternatives: Sakon, Tangoe One Telecom, Valicom Clearview
Kimi K2Calero alternatives: Asignet, Tellennium, vCom Solutions

Brightfin first, Calero not the choice

2 of 14 modelsCalero was named in the answer but not as the choice, or not at all.
Perplexity SonarBrightfin alternatives: Clearview, Lightyear, vCom Solutions
Qwen 3.7 FlashBrightfin alternatives: RadiusPoint, vCom Solutions

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashLightyear alternatives: Brightfin, Mindglobal, vCom Solutions, vManager
Grok 4.1 FastSakon, vCom Solutions alternatives: Calero, Genuity, Valicom
GLM 4.7 FlashXUpland Cimpl alternatives: Calero, Ginger Telecom, Lightyear, Stratix, Tangoe One Telecom
GPT-6 LunaClearview alternatives: Brightfin, Genuity
Muse Glimmer 30BLightyear alternatives: Brightfin, Calero, Mindglobal, vCom Solutions

Neither was named

5 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Lightyear alternatives: Cimpl, Tangoe One Telecom, Valicom's Clearview, vCom Solutions
Mistral SmallClearSight TEMs, LINQ Qonnect
DeepSeek V4 FlashMindglobal, vCom Solutions alternatives: Cimpl, Lightyear, Valicom
Llama 4 MaverickClearSight TEMs alternatives: LINQ Qonnect
MiniMax M2.5no first choice

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
Calero leads by two points.
Calero2%#6 of 9
Brightfin0%#7 of 9
The full small business standing →
Mid-marketThe figures above
Calero leads by two points.
Calero6%#5 of 8
Brightfin4%#6 of 8
The full mid-market standing →
Enterprise
Calero leads by ten points.
Calero12%#2 of 10
Brightfin2%#8 of 10
The full enterprise standing →

What the models said about Calero

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Users report slow data reporting, delayed updates when requesting changes, and poor customer support” Kimi K2 · negative prompt · hard negative
“What to Avoid for Mid-Market” DeepSeek V4 Flash · direct prompt · hard negative
“Traditional giants like Tangoe or Calero are often built for massive enterprises ... making them overkill and too expensive for smaller setups” Qwen 3.7 Flash · paraphrase prompt · soft negative
“Top picks: Calero (unified IT/TEM), Tangoe (enterprise-grade), Cimpl (broad tech mgmt), Lightyear (AI-heavy), Temforce (workflow-focused).” Grok 4.1 Fast · scale prompt · first choice
“Choose Calero or Tangoe if you are a large enterprise managing thousands of devices and complex contracts” GLM 4.7 FlashX · comparative prompt · first choice
“Start with Tangoe, Calero, Sakon, and Cimpl for a broad enterprise TEM comparison” GPT-6 Luna · comparative prompt · first choice

What the models said about Brightfin

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“brightfin: Acquired by Proven Optics” Gemini 3.5 Flash · negative prompt · hard negative
“brightfin — verify post-combination product plans. ... That's a reason to ask about product direction, support ownership, and reference customers” GPT-6 Luna · negative prompt · soft negative
“Strong automation capabilities and native ServiceNow integration, but reviews note: "Limited functionality outside of ServiceNow environments."” Muse Glimmer 30B · negative prompt · soft negative
“1. Brightfin ... Best For: Companies already using (or planning to use) ServiceNow.” Qwen 3.7 Flash · direct prompt · first choice
“the strongest overall choice from the results is Brightfin” Perplexity Sonar · direct prompt · first choice
“the unified Brightfin brand has established itself as a powerhouse that bridges TEM and IT Financial Management (ITFM)” Gemini 3.5 Flash · comparative prompt · alternative
Also compared

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.