AI Indexes
Finance AI Index
Index › Receivables and billing › PSA › BigTime vs Rocketlane
Professional services automation · October 2026 Edition

BigTime vs Rocketlane

Three of fourteen models named BigTime first on the direct prompt; two named Rocketlane. BigTime was named by fourteen of the fourteen models and Rocketlane by ten and BigTime carries 48 labels and Rocketlane 21, so the shares are not directly comparable.

BigTime

accepted challenger

Named in three categories this edition.

Rocketlane

accepted challenger

Named in one category this edition.

First-choice share29%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%14%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#4A position in a field of 10; printed, not drawn.
Labels4821A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, BigTime reading right to left. Rank and label count are printed, not drawn.Kantata was named alongside these two in thirteen of the fourteen direct answers. BigTime vs Kantata · BigTime vs Productive · BigTime vs Teamwork.com

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 professional services automation page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
BigTimeFirst choices, of fourteen modelsRocketlane
Direct32
Paraphrase101
Comparative01
Budget-constrained201 against Rocketlane
Scale-constrained00
Negative102 against BigTime · 2 against Rocketlane
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, BigTime and Rocketlane were named in the same answer twenty-one times, of the 125 answers naming BigTime and the 53 naming Rocketlane. In those answers Rocketlane took the first choice two times and BigTime five.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where BigTime and Rocketlane 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
BigTime Rocketlane first choice named as an alternative argued againstblank: not namedEach cell is one answer, BigTime on the left and Rocketlane on the right.

The direct prompt

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

BigTime first, Rocketlane not the choice

3 of 14 modelsRocketlane was named in the answer but not as the choice, or not at all.
Grok 4.1 FastBigTime alternatives: Accelo, Autotask, Kantata, Scoro
DeepSeek V4 FlashBigTime alternatives: Accelo, Certinia PS Cloud, Kantata, Scoro
Kimi K2BigTime, Kantata alternatives: Accelo, Certinia Professional Services Cloud, Scoro

Rocketlane first, BigTime not the choice

2 of 14 modelsBigTime was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashRocketlane alternatives: Certinia Professional Services Cloud, Kantata, Scoro
Mistral SmallKantata, Rocketlane alternatives: SAP S/4HANA

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.
Claude Haiku 4.5Kantata alternatives: Accelo, BigTime, Certinia Professional Services Cloud, Scoro
Perplexity SonarKantata alternatives: Accelo, Birdview, Rocketlane, Ruddr
GLM 4.7 FlashXKantata alternatives: BigTime, Scoro
MiniMax M2.5Kantata alternatives: Avaza, Certinia Professional Services Cloud, Rocketlane, Upland PSA
GPT-6 LunaKantata OX alternatives: BigTime, Certinia Professional Services Cloud, Rocketlane

Neither was named

4 of 14 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniKantata alternatives: Certinia Professional Services Cloud, Productive, Scoro
Llama 4 MaverickKantata alternatives: Scoro
Qwen 3.7 FlashKantata alternatives: Accelo, Scoro
Muse Glimmer 30BKantata alternatives: Birdview, Deltek Vantagepoint, Scoro

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
BigTime leads by thirty-six points.
BigTime38%#1 of 11
Rocketlane2%#8 of 11
The full small business standing →
Mid-marketThe figures above
BigTime leads by twenty-three points.
BigTime29%#1 of 10
Rocketlane6%#4 of 10
The full mid-market standing →
Enterprise
BigTime leads by two points.
BigTime5%#3 of 11
Rocketlane4%#4 of 11
The full enterprise standing →

What the models said about BigTime

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

“BigTime is compatible with QuickBooks but not 100%, with a lot of work still to be done in that area” Claude Haiku 4.5 · negative prompt · soft negative
“Productive advises skipping it if you are heading past 50 billable staff.” Perplexity Sonar · negative prompt · soft negative
“the most highly recommended PSA tool for a mid-sized B2B company focused specifically on project billing and utilization is BigTime” Qwen 3.7 Flash · paraphrase prompt · first choice
“Teamwork.com from ~$9.99/user/mo and BigTime Essentials from ~$20/user/mo are the most frequently cited budget-friendly options” Muse Glimmer 30B · budget prompt · first choice
“BigTime and Accelo are top recommendations due to their strong billing, utilization, and project management features” Mistral Small · paraphrase prompt · first choice

What the models said about Rocketlane

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

“if your use case is not services-delivery-heavy, because these are positioned as specialized PSA platforms ... may be overbuilt for simpler needs” Perplexity Sonar · negative prompt · soft negative
“more expensive or positioned for larger teams, such as Rocketlane at $19/user/month” Perplexity Sonar · budget prompt · soft negative
“Moderate Caution – Great for onboarding, shallow on financial depth.” DeepSeek V4 Flash · negative prompt · soft negative
“Rocketlane is currently leading the pack in innovation” Gemini 3.5 Flash · direct prompt · first choice
“Rocketlane (best overall with AI-powered Nitro agents)” Claude Haiku 4.5 · comparative prompt · first choice
“Kantata and Rocketlane are the top choices” Mistral Small · direct prompt · first choice
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.